Search results for "Self-ionization of water" - New World Encyclopedia
From New World Encyclopedia
- html Solar Wind Squeezes Some of Earth's Atmosphere into ... An ion is an atom, group of atoms, or subatomic particle with a net ...17 KB (2,619 words) - 11:09, 6 March 2024
- saving device by alerting people to the danger of fire. optical detection or by ionization, but some of them use both detection methods ...15 KB (2,419 words) - 14:59, 27 April 2023
- pH is a measure of the acidity and the basicity/alkalinity of a solution ... is dictated by the dissociation constant of water (Kw = 1.011 × 10−14 ...15 KB (2,240 words) - 15:20, 29 August 2023
- In chemistry, a base is thought of as a substance which can accept ... Bases have many practical uses, and several of them are commonly found ...21 KB (3,307 words) - 11:03, 20 September 2023
- are commonly used in microscopy, in a type of dye laser as the gain medium ... (nm) wavelength, and an emission maximum of 521 nm (in water). It has an ...6 KB (892 words) - 17:45, 28 March 2024
- symbol Cs, atomic number 55) is a member of the group of chemical elements ... This element has many isotopes, of which the single stable isotope ...14 KB (1,931 words) - 00:09, 4 December 2023
- Electrical conductivity or specific conductivity is a measure of a ... Conductivity is the reciprocal (inverse) of electrical resistivity ...11 KB (1,570 words) - 15:50, 13 February 2024
- Crown ethers are heterocyclic chemical compounds that consist of a ... within the ring, whereas the exterior of the ring is hydrophobic (repels ...6 KB (841 words) - 23:38, 5 May 2022
- that is highly resistant to the flow of an electric current. Dielectric ... An important application of dielectrics is to separate the plates ...14 KB (1,888 words) - 14:27, 29 January 2024
- that identifies the chemical composition of a compound or sample based ... The design of a mass spectrometer has three essential modules: an ...44 KB (6,414 words) - 16:19, 7 November 2022
- on contact with the skin, changes the color of indicators (e.g. reddens blue ... between them exemplify the ubiquitousness of complementary pairs in the ...16 KB (2,510 words) - 07:38, 14 June 2023
- The ability of a chemical to behave as both an acid and a base is ... Generally, such a substance acts as an acid in the presence of a base ...5 KB (789 words) - 17:25, 26 July 2023
- An emulsion is a mixture of two immiscible (unblendable) substances ... Emulsions are part of a more general class of two-phase systems of ...6 KB (796 words) - 22:19, 4 February 2022
- hydroxide ion concentrations) upon addition of small amounts of acid or base ... analyses, syntheses, and calibration of pH meters. In living organisms ...12 KB (1,728 words) - 18:37, 22 November 2023
- The main group elements of the periodic table are groups 1, 2 and ... The alkali metals are the series of elements in Group 1 of the periodic ...30 KB (4,368 words) - 00:41, 24 November 2022
- [[Image:Water cycle.png|right|thumb|400px|The movement of water around ... The water cycle, or the hydrologic cycle, is the continuous circulation ...15 KB (2,199 words) - 23:16, 3 May 2023
- is being used for the electrolysis of water. It is connected to a ... In chemistry and manufacturing, electrolysis is a method of separating ...7 KB (1,039 words) - 04:29, 27 November 2020
- concentrations above 5.6 percent. A solution of hydrogen cyanide in water is ... used by the Nazi regime for the mass murder of Jews in the gas chambers of ...12 KB (1,685 words) - 13:19, 4 February 2023
- Vapor pressure (or vapour pressure) is the pressure of a vapor in ... is used to mean the partial pressure of water vapor in the atmosphere ...8 KB (1,238 words) - 14:35, 3 May 2023
- Uracil is one of the five main nucleobases found in the nucleic acids ... replaces thymine as the usual complement of adenine. Thus, thymine is usually ...14 KB (1,996 words) - 19:37, 12 November 2022
- two drainage basins; that is, the ridge of high land or boundary separating ... People live particular watersheds (in the sense of drainage basin ...9 KB (1,433 words) - 23:19, 3 May 2023
- "lead") is the skilled trade of working with pipes, tubing ... plumbing fixtures, and equipment such as water heaters. The plumbing industry ...8 KB (1,121 words) - 01:54, 10 April 2023
- – Xenon] Thermophysical properties of neon, argon, krypton, and xenon ... This element can be extracted by fractional distillation of liquid ...13 KB (1,905 words) - 14:16, 20 May 2023
- In geology, evaporites are water-soluble, mineral sediments that result ... nitrates are important for the manufacture of fertilizers and explosives. ...6 KB (841 words) - 07:00, 12 September 2023
- Boiling is the process of rapidly converting a liquid to its gaseous ... The boiling point of a substance is the temperature at which it can ...13 KB (2,088 words) - 05:24, 17 November 2023
- Thales (in Greek: Θαλης) of Miletus (ca. 624 – 546 b.c.e.) ... arbitrary will, tricks, anger, and jealousy of the gods, Thales tried to explain ...7 KB (978 words) - 15:05, 30 April 2023
- or physical process. Some examples of mixtures are oil, ocean water ... are uniformly spread, so that any amount of the mixture has the same composition ...5 KB (683 words) - 19:22, 9 November 2022
- In human spaceflight, a life support system is a group of devices ... A crew member of typical size requires a total of approximately 5 ...11 KB (1,632 words) - 01:14, 26 October 2022
- tames the Nile River and utilizes the power of the river for a variety of ... The Aswan Dam is a rock fill dam, a type of dam that relies on compacted ...9 KB (1,433 words) - 18:40, 19 August 2023
- An aqueduct is an artificial channel that is constructed to convey ... Aqueducts have been built to supply water to large cities and to irrigate ...12 KB (1,676 words) - 15:59, 11 August 2023
- A drought is an extended period of months or years when a region notes ... Drought is a normal, recurring feature of the climate in most parts ...11 KB (1,569 words) - 09:42, 15 January 2023
- An estuary is a semi-enclosed coastal body of water where freshwater ... means "tide" or "boiling (of the sea)." ...10 KB (1,449 words) - 04:23, 22 March 2024
- pressure exerted by the atmosphere by using water, air, or mercury. From the ... This concept of "decreasing atmospheric pressure predicts stormy ...9 KB (1,410 words) - 08:09, 20 September 2023
- Gas is one of the four major states or phases of matter, along with ... Gas exists in the middle of a heating continuum in which heating the ...20 KB (3,107 words) - 04:37, 18 April 2024
- contain fossils and often form reservoirs of petroleum and other hydrocarbons ... is called fissility. Non-fissile rocks of similar composition but made ...4 KB (524 words) - 12:21, 27 January 2023
- that is directly involved in the promotion of cancer or in the facilitation ... Common examples of carcinogens are tobacco smoke, inhaled asbestos ...14 KB (1,935 words) - 19:12, 26 November 2023
- deposited by a river or other running water. Alluvium is typically made ... A river continually picks up and drops solid particles of rock and ...5 KB (763 words) - 08:15, 23 July 2023
- the first to measure the average density of the earth using the gravitational ... His mother was Lady Anne Gray, daughter of the Duke of Kent and his father ...8 KB (1,276 words) - 07:10, 22 January 2024
- The Arabian Sea is located in the northwestern part of the Indian ... The Sea provides an important link between the neighboring areas of ...10 KB (1,516 words) - 21:28, 11 August 2023
- It contains 21 percent nitrogen in the form of ammonium ions and 24 percent ... Ammonium sulfate is a salt of ammonia and sulfuric acid, and its chemical ...6 KB (752 words) - 07:39, 25 July 2023
- liquids or gases) in a mixture with the help of a medium that is called a filter ... to remove harmful substances from air or water, such as to reduce air pollution ...10 KB (1,555 words) - 19:47, 26 March 2024
- some eukaryotic cells that serve a variety of secretory, excretory, and storage ... where they can occupy up to ninety percent of the cell volume and function ...10 KB (1,475 words) - 23:00, 13 November 2022
- iron or its alloys corrode in the presence of oxygen and water. It is a mixture ... == Overview of rusting == Iron is found naturally as iron oxide in ...8 KB (1,283 words) - 18:22, 22 December 2022
- Copepods are a group of generally minute aquatic crustaceans found ... Ironically, this tiny organism's presence in public tap water ...10 KB (1,426 words) - 02:55, 8 January 2024
- Environmental engineering is the application of science and engineering ... incorporates elements from a wide range of disciplines, including chemistry ...12 KB (1,649 words) - 19:00, 13 February 2024
- In vascular plants, the root is that organ of a plant body that typically ... rhizome grows horizontally below the surface of the soil, but it differs from ...11 KB (1,643 words) - 21:37, 15 August 2022
- is an ester derived from the combination of ethanol and acetic acid. Its ... removers. It is also useful in the process of decaffeination of coffee and ...8 KB (1,113 words) - 04:36, 22 March 2024
- The Southern Ocean, also known as the Antarctic Ocean, is a large ... The Southern Ocean lies in the farthest edge of the Southern Hemisphere ...9 KB (1,422 words) - 15:39, 4 February 2023
- Civil engineering is a broad field of engineering covering many specialties ... the planning, construction, and maintenance of power plants, bridges, roads ...12 KB (1,647 words) - 22:27, 10 December 2023
- Rain is a form of precipitation—other forms of which include snow ... cycle again. There is also a small amount of water vapor that respires from ...11 KB (1,714 words) - 00:07, 8 December 2022
- Nephron is the basic structural and functional unit of the vertebrate ... nutrients. For example, in the presence of antidiuretic hormone (ADH or ...14 KB (2,036 words) - 16:20, 11 November 2022
- A vacuum is a volume of space that is essentially empty of matter ... The quality of a vacuum is measured by how closely it approaches a ...37 KB (5,624 words) - 20:38, 21 April 2020
- Food chemistry is the study of chemical processes and interactions ... ==Brief history of food chemistry== The history of food chemistry dates ...10 KB (1,507 words) - 06:16, 1 April 2024
- Newts (also called efts when terrestrial) are an informal grouping ... and Mertensiella, while newts include all of the more than ten remaining ...8 KB (1,133 words) - 09:41, 11 March 2023
- In chemistry, an amide is one of two kinds of compounds: ... * a particular kind of nitrogen anion. Amides are the most stable of ...10 KB (1,423 words) - 06:58, 25 July 2023
- oxygen-containing compounds. The double-bond of the carbonyl group distinguishes ... are called α-hydrogens. In the presence of an acid catalyst the ketone ...9 KB (1,318 words) - 03:31, 6 October 2022
- Environmental science is the study of interactions among the physical ... Environmental scientists monitor the quality of the environment (air ...11 KB (1,440 words) - 19:02, 13 February 2024
- surrounding pressure to allow the frozen water in the material to sublime ... The process of freeze-drying is valuable for a variety of applications ...13 KB (1,930 words) - 10:50, 11 April 2024
- A hydrocarbon is any chemical compound that is constituted of just ... They are currently the main source of the world’s electric energy ...8 KB (1,193 words) - 13:34, 17 May 2021
- The Victoria Falls, one of the world's "natural wonders ... considered a remarkable spectacle because of the peculiar, narrow, slot ...11 KB (1,772 words) - 20:10, 3 May 2023
- Lake Ladoga, located in the northwestern part of Russia, is the largest ... In total, Lake Ladoga covers an area of 6,700 fresh water square miles ...10 KB (1,501 words) - 23:18, 21 October 2022
- The Euphrates River is the western of the two great rivers that define ... They form a great river system, an alluvial salt marsh ecoregion of ...12 KB (1,782 words) - 04:26, 23 March 2024
- :This article is about a type of container. [[Image:Barrels2.jpg|thumbnail ... A barrel or cask is a hollow cylindrical container, traditionally ...10 KB (1,477 words) - 10:53, 20 September 2023
- Greenhouse gases (GHGs) is the name given to a number of gases present ... The most important greenhouse gas is water vapor which creates clouds ...34 KB (4,898 words) - 17:16, 16 February 2023
- Silica gel is a granular, porous form of silica, produced synthetically ... fungicides, or pesticides), packets of silica gel usually bear warnings ...7 KB (1,044 words) - 22:03, 29 January 2023
- Brass is the term used for alloys of copper and zinc. It has a yellow ... By comparison, bronze is principally an alloy of copper and tin. ...6 KB (938 words) - 13:23, 11 February 2022
- Polyester is the name for a class of polymers that contain the ester ... resins that are widely used in the bodies of automobiles and yachts. ...8 KB (1,111 words) - 17:38, 9 October 2021
- permanently alters the protein structure of the skin, preventing it from ... Once tanned, the leather becomes useful for a variety of products ...11 KB (1,861 words) - 04:26, 27 February 2023
- An acid dye is a type of dye that is applied from an acidic solution ... overlap and generally depend on the type of fiber to be colored and the ...5 KB (844 words) - 07:40, 14 June 2023
- Desalination (or desalinization or desalinisation) refers to any of ... but this article focuses on water desalination. Water is desalinated ...20 KB (2,876 words) - 09:52, 29 January 2024
- Drying is the process of using heat to remove a liquid (such as water ... The process of drying can be undertaken by various methods for a variety ...10 KB (1,629 words) - 22:34, 19 August 2020
- A sedimentary rock is one of the three main rock groups, the other ... Sedimentary rocks make up a relatively thin layer of rock that covers ...11 KB (1,524 words) - 17:45, 25 January 2023
- , a German physicist who did most of his work in the Netherlands ... On the Fahrenheit scale, the freezing point of water is 32 degrees ...13 KB (1,850 words) - 00:27, 25 March 2024
- Nuclear fission is the splitting of the nucleus of an atom into parts ... for nuclear power and to drive the explosion of nuclear weapons. Both uses ...31 KB (4,827 words) - 10:09, 11 March 2023
- current. Most electrolytes consist of ions in solution, and they ... All higher life forms require a complex balance of electrolytes inside ...13 KB (1,858 words) - 08:06, 29 December 2021
- Greek pre-Socratic philosopher and a citizen of Agrigentum, a Greek colony ... Empedocles conceived the ultimate reality as the unity of four permanent ...8 KB (1,150 words) - 18:28, 13 February 2024
- the construction, maintenance, and repair of ships, boats, and other watercraft ... According to the ancient Greek author Athenaeus of Naucratis, the ...11 KB (1,823 words) - 19:34, 3 August 2023
- produced by humans, typically consisting of washing water, urine, feces ... from Vulgar Latin exaquare ("to remove water"), from Latin ex- ‘out ...15 KB (2,180 words) - 10:10, 26 January 2023
- Cheonmin, King Sejong's new policy of breaking class barriers allowed ... Twenty-first century Koreans are justifiably proud of Jang's ...15 KB (2,262 words) - 16:10, 8 February 2023
- to North America, and introduced in parts of Europe, Asia, and South America ... The muskrat plays an important role in nature and is a resource of ...10 KB (1,517 words) - 02:38, 11 March 2023
- Carbonic acid (ancient name acid of air or aerial acid) is a weak ... The presence of carbonic acid in the blood and other body fluids helps ...13 KB (2,013 words) - 19:10, 26 November 2023
- the only person to set both land and water speed records in the same ... He was made a Commander of the British Empire in 1955. ==Family== ...14 KB (2,274 words) - 17:19, 30 January 2024
- In the most general terms, convection refers to the movement of molecules ... The scientific study of convection not only helps clarify the principles ...11 KB (1,793 words) - 02:51, 8 January 2024
- Gosport) was a Scottish doctor and a pioneer of naval hygiene in the Royal ... Through his work, Lind influenced practices of preventive medicine ...13 KB (2,046 words) - 21:20, 20 March 2024
- Sediment is any particulate matter that is transported by the flow ... Sediments may be transported by the action of streams, rivers, glaciers ...10 KB (1,554 words) - 17:44, 25 January 2023
- A blueprint is a type of paper-based reproduction usually of a technical ... The photosensitive compound, a solution of ferric ammonium citrate ...5 KB (743 words) - 05:41, 16 November 2023
- Dredging is an operation to excavate material from the bottom of a ... dredging has been used for mining of gold and other valuable substances ...15 KB (2,387 words) - 17:41, 30 January 2024
- A traditional fountain is an arrangement where water issues from a ... One of the most common features of a fountain, if there is enough ...20 KB (2,954 words) - 06:37, 1 April 2024
- :In British English, “geyser” can also refer to the water heating ... A geyser is a type of hot spring that erupts periodically, ejecting ...16 KB (2,391 words) - 02:41, 6 December 2022
- Weathering is the process of disintegration of rocks and soils and ... There are two main types of weathering: mechanical (or physical) and ...18 KB (2,677 words) - 22:02, 11 June 2020
- Embryophyta is a major grouping of plants, sometimes known as "land ... Embryophytes are characterized by an alternation of generations life ...11 KB (1,564 words) - 10:22, 21 January 2023
- Anhinga is the common name for members of the bird species Anhinga ... For humans, they add greatly to the wonder of nature, with their beautiful ...10 KB (1,445 words) - 01:45, 9 January 2023
- sense, it is a generic term for various water-soluble potassium salts that ... Potash has been used since antiquity in the manufacture of glass, ...6 KB (830 words) - 05:51, 30 November 2022
- the most popular term for the shapeshifting water spirits of Germanic and Nordic ... The Nix may take different forms, but their message is one of warning ...14 KB (2,167 words) - 09:56, 11 March 2023
- A marine mammal is any of a diverse group of aquatic or semi-aquatic ... vulnerable or endangered due to a history of commercial exploitation for ...9 KB (1,370 words) - 15:58, 6 November 2022
- Hemiptera is a major order of insects, collectively known as true ... Hemipterans are vitally important as part of food chains, being consumed ...11 KB (1,647 words) - 15:19, 25 January 2023
- and one or two tails. The main body of the comet, called its nucleus ... opportunity to study the early history of the solar system. In addition ...28 KB (4,322 words) - 00:05, 8 January 2024
- Pluma de colibrí) was the second tlatoani of the Mexica (Aztecs), governing ... Huitzilíhuitl was born in Tenochtitlan, and was the son of Acamapichtli ...6 KB (967 words) - 16:11, 9 February 2024
- allows the remote measurement and reporting of information of interest to ... yields depend on the timely availability of weather and soil data. Therefore ...8 KB (1,232 words) - 05:33, 27 February 2023
- perpendicular to that surface) per unit area of the surface. If the force is ... Our understanding of the concept of pressure and our ability to manipulate ...14 KB (2,183 words) - 22:39, 30 November 2022
- "to bear") are invertebrates of the phylum Porifera. They are ... Sponges represent the simplest of animals. With no true tissues (parazoa ...15 KB (2,195 words) - 18:05, 14 October 2022
- ketopropane) is the simplest representative of the group of chemical compounds ... Small amounts of acetone are metabolically produced in the body, mainly ...10 KB (1,364 words) - 07:34, 14 June 2023
- (also known as Ukerewe and Nalubaale) is one of the African Great Lakes. It ... Lake Victoria plays a vital role in supporting the millions of people ...14 KB (2,194 words) - 23:25, 21 October 2022
- An azeotrope is a mixture of two or more liquid substances in such ... mixture is boiled, their vapor consists of a fixed ratio of the two and ...29 KB (4,494 words) - 07:29, 23 August 2023
- the "shining forth" or revelation of God to mankind in human form ... it is known as Three Kings’ Day. Because of differences in church calendars ...16 KB (2,587 words) - 19:09, 13 February 2024
- Hemichordata is a small phylum of worm-shaped, marine invertebrates ... Hemichordates are considered a sister group of the chordates and echinoderms ...9 KB (1,371 words) - 06:14, 22 January 2024
- Mussel is the common term for members of several families of freshwater ... Most freshwater mussels require a host during one stage of the life ...14 KB (2,096 words) - 02:38, 11 March 2023
- Atmospheric chemistry involves study of the chemistry of the atmospheres ... Earth's atmosphere is composed of about 78 percent nitrogen, ...11 KB (1,481 words) - 06:25, 21 August 2023
- It includes the floodway, which consists of the stream channel and adjacent ... Floodplains constitute a valuable part of the environment. They filter ...10 KB (1,461 words) - 19:34, 9 November 2023
- The most popular line is monofilament line made of a single fiber ... Fishing lines left in the water are hazardous to fish, birds, and ...12 KB (1,938 words) - 17:31, 28 March 2024
- Sandstone is a sedimentary rock composed mainly of sand-size mineral ... and paving material. Given the hardness of the individual grains, uniformity ...7 KB (1,047 words) - 01:20, 21 April 2023
- nature. In addition, its oxide reacts with water and carbon dioxide and is ... Barium and its compounds have a variety of applications. For instance ...13 KB (1,855 words) - 08:07, 20 September 2023
- Limestone is a sedimentary rock composed largely of the mineral calcite ... The calcite in limestone is produced mainly by marine organisms, many ...10 KB (1,487 words) - 04:10, 29 October 2022
- them. A fire engine is designed to pump water using an engine. By contrast ... A fire engine is equipped with an engine to pump water, which can ...18 KB (2,795 words) - 19:52, 26 March 2024
- 17) is a nonmetal that belongs to a group of chemical elements known as ... in nature and necessary for most forms of life, including human life ...15 KB (2,040 words) - 17:07, 10 December 2023
- made the first comprehensive analysis of the principles, by which he ... analysis itself. Critical self-analysis of its own procedures, methodologies ...9 KB (1,192 words) - 22:57, 30 November 2022
- Coot is the common name for any of the medium-sized, duck-like aquatic ... food chains, helping to maintain populations of prey species and aquatic vegetation ...13 KB (2,016 words) - 02:54, 8 January 2024
- miles (1,900 km) along the Atlantic coast of Namibia, which is named after ... The desert's aridity is caused by the descent of dry, warm air ...11 KB (1,703 words) - 01:13, 11 November 2022
- The Jordan River, with the lowest elevation of any river in the world, rises ... the only major river in the area, it is one of the most significant features ...11 KB (1,837 words) - 07:37, 27 February 2023
- Vineyard, Massachusetts, are made almost entirely of clay.]] Clay is a term used to describe a group of fine-grained, silicate ...7 KB (1,004 words) - 11:01, 19 December 2023
- that make up the class Crinoidea of the echinoderms (phylum Echinodermata ... by a hard, internal calcite skeleton, a water-vascular system, adhesive ...8 KB (1,152 words) - 16:49, 31 May 2020
- boron compound, a mineral, and a salt of boric acid. It is usually a ... Borax has a wide variety of uses. It is a component of many detergents ...10 KB (1,388 words) - 19:37, 20 November 2023
- or for all bivalve mollusks. As a member of the class Bivalvia (syn. Pelecypoda ... within the subclass Heterodonta, but members of the order Unionoida in subclass ...10 KB (1,484 words) - 22:30, 10 December 2023
- Neptune (Latin: Neptūnus) was the god of the sea in Roman mythology ... The worship of Neptune, as the Roman version of Poseidon, is another ...9 KB (1,493 words) - 16:21, 11 November 2022
- Lake Burley Griffin is the centerpiece of Canberra, an entirely purpose ... natural vegetation was an important feature of the design plan, the most important ...18 KB (2,733 words) - 23:15, 21 October 2022
- Crappie (plural: Crappie or crappies) is the common name for either ... Both species of crappie are very popular game fish. The Pomoxis species ...11 KB (1,545 words) - 01:11, 7 April 2022
- [[Image:Mate calabaza fondo blanco.jpg|thumb|200 px|Typical style ... caffeine, prepared by steeping dried leaves of yerba mate (Spanish) / erva ...18 KB (3,004 words) - 09:18, 10 March 2023
- chalk-like sedimentary rock. It consists of the fossilized remains of diatoms ... liquids, and insecticide. It is a component of cat litter and dynamite. Given ...8 KB (1,106 words) - 12:00, 29 January 2024
- Water purification is the process of removing contaminants from a ... Water purification may remove such contaminants as particulate sand ...30 KB (4,619 words) - 23:17, 3 May 2023
- group, called an aldehyde group, consists of a carbon atom bonded to a hydrogen ... Latin vinum = wine, the traditional source of ethanol; compare vinyl.) ...11 KB (1,651 words) - 05:09, 17 June 2023
- a rapidly spinning, circular or spiral flow of fluid around a central axis ... A vortex can be observed in the spiraling motion of air or liquid ...13 KB (2,086 words) - 21:04, 3 May 2023
- Fluid Extraction. Carbon dioxide and water are the most commonly used ... de la Tour discovered the critical point of a substance in his famous cannon ...14 KB (2,010 words) - 13:54, 28 April 2023
- A cloud is a visible mass of condensed droplets, frozen crystals suspended ... On Earth, clouds play an important part in the water cycle (hydrologic ...17 KB (2,628 words) - 22:12, 7 January 2024
- Trichoptera is an order of moth-like, holometabolous insects, known ... Caddisflies provide important ecological functions as part of food ...12 KB (1,840 words) - 16:48, 2 May 2023
- Lake Michigan is one of the five Great Lakes of North America, and ... Michigan's shores. The great cities of Chicago and Milwaukee were ...12 KB (1,735 words) - 23:18, 21 October 2022
- in human history by supplying the majority of the water for the Nile River ... Today, dams along the Blue Nile in Sudan produce 80 percent of that ...11 KB (1,678 words) - 18:33, 9 March 2023
- The colon is the longest portion of the large intestine of vertebrates; ... humans), which in turn is larger than that of carnivores (such as dogs and ...11 KB (1,598 words) - 22:38, 7 January 2024
- Brine shrimp is the common name for any of the small, salinity tolerant ... hobbyists, used to improve production of salt, and used in scientific ...9 KB (1,378 words) - 02:03, 12 January 2023
- Centrifugation is a process that involves the use of the centrifugal ... acceleration is used to separate substances of greater and lesser density ...7 KB (963 words) - 23:56, 3 December 2023
- Gypsum is a very soft mineral composed of calcium sulfate dihydrate ... many practical applications and for works of art. In particular, it is used ...8 KB (1,054 words) - 21:52, 28 July 2023
- The Sea of Galilee or Lake Kinneret (Hebrew ים כנרת), is Israel ... Valley, the valley caused by the separation of the African and Arabian Plates ...16 KB (2,502 words) - 17:32, 25 January 2023
- Daphnia is a genus of small, aquatic, mostly freshwater crustaceans ... However, the common name water flea also is applied to other animals ...12 KB (1,826 words) - 22:15, 25 January 2024
- is an object that is attached to the end of the fishing line and designed ... an angler has to control the movement of the lure to attract fish. Anglers ...10 KB (1,609 words) - 17:31, 28 March 2024
- is normally colonized by communities of microorganisms, which act to ... In contrast with herbivory, which involves the consumption of living ...17 KB (2,559 words) - 08:55, 15 January 2023
- require a mordant to improve the fastness of the dye on the fiber. Dyeing is the process of imparting color to a textile material in ...13 KB (2,067 words) - 17:25, 12 February 2024
- A river is a natural waterway that conveys water derived from precipitation ... ==Origins of river water== A river may have its source in a spring ...18 KB (2,724 words) - 01:43, 15 December 2022
- geosphere, hydrosphere, and atmosphere of the earth. (Other planetary ... The cycle is usually thought of as four main reservoirs of carbon ...17 KB (2,593 words) - 23:46, 20 April 2023
- landscape shaped by the dissolution of a soluble layer or layers of ... and where the first scientific research of a karst topography was made ...14 KB (1,944 words) - 20:16, 28 February 2023
- The degree Celsius is also a unit increment of temperature for use in indicating ... temperature measurements by most countries of the world and by the entire ...23 KB (3,406 words) - 23:47, 3 December 2023
- to float on and provide transport over water. It is usually operated on ... and ferryboat. These are examples of large boats, but they generally ...13 KB (1,916 words) - 05:44, 16 November 2023
- Chalcedony is one of the cryptocrystalline—a term which refers to ... The term chalcedony is derived from the name of the ancient Greek ...7 KB (962 words) - 01:14, 4 December 2023
- traditional group (superorder or subclass) of amphibians that constituted ... toothed," describes the pattern of infolding of the dentine and ...10 KB (1,382 words) - 05:32, 4 March 2023
- Trawling is a method of fishing that involves pulling a large fishing ... There are two types of trawling: bottom trawling and midwater trawling ...14 KB (2,235 words) - 14:52, 2 May 2023
- Vitrification is a process of converting a material into a glass-like ... create hollow, branching rootlike structures of glass, called fulgurite. When ...7 KB (966 words) - 20:42, 3 May 2023
- 35) is a nonmetal that belongs to a group of chemical elements known as ... Bromine is an important resource for the production of a wide range ...10 KB (1,346 words) - 04:33, 22 November 2023
- Phenol, also known under an older name of carbolic acid, is a toxic ... group (-OH). In effect, phenols are a class of organic compounds of which ...8 KB (1,204 words) - 02:56, 24 November 2022
- Water is a common chemical substance that is essential for all known ... In typical usage, the term water refers to its liquid state, but the ...56 KB (8,647 words) - 23:15, 3 May 2023
- The solubility of a chemical substance is a physical property referring ... Solubility is measured in terms of the maximum amount of solute that ...23 KB (3,483 words) - 01:08, 4 February 2023
- from the Greek for spiny skin) are a phylum of marine invertebrates that are ... terrestrial representatives. Representatives of the phylum can be found at ...11 KB (1,553 words) - 17:27, 11 October 2020
- metal container traditionally used to boil water in Russia. In its traditional ... Iran, but they are considered icons of Russian tea culture. Providing ...16 KB (2,540 words) - 01:15, 21 April 2023
- which are balls or irregular lumps of ice typically measuring between ... == Formation of hail == [[Image:Granizo.jpg|thumb|left|A large hailstone ...10 KB (1,508 words) - 16:45, 21 January 2024
- Typically, a fire extinguisher consists of a hand-held cylindrical pressure ... Fire extinguishers have been a major part of fire prevention. The ...15 KB (2,294 words) - 19:52, 26 March 2024
- Tidal power, sometimes called tidal energy, is a form of hydropower ... * Tidal stream systems make use of the kinetic energy from the moving ...18 KB (2,762 words) - 23:26, 30 April 2023
- Fractional distillation is a special type of distillation designed ... The separation technology of fractional distillation is useful in ...12 KB (1,803 words) - 06:40, 1 April 2024
- Land pollution is the degradation of earth's land surfaces often ... The Industrial Revolution set in motion a series of events which impinged ...12 KB (1,940 words) - 21:14, 22 October 2022
- Odonata is an order of insects (class Insecta) encompassing dragonflies ... valuable in that they consume large numbers of insect pests, including mosquitoes ...9 KB (1,363 words) - 00:22, 29 December 2023
- *Water (Chinese: 水, pinyin: shuǐ) *Fire (Chinese:火, pinyin: huǒ), ... The system of five phases was used for describing interactions and ...19 KB (2,730 words) - 14:06, 20 May 2023
- but it is frequently tinted by the presence of impurities. Possible colors ... meters in width. This mineral has a hardness of 7.5-8, and its specific gravity ...5 KB (674 words) - 17:25, 29 September 2023
- in this article) replaces the hydrogen atom of a hydroxyl group in an oxoacid ... Esters are named similarly to salts; although they are not composed ...11 KB (1,427 words) - 21:32, 20 March 2024
- the practice derives from the scriptures of the New Testament (John 13:1 ... The religious act of foot-washing is also practiced in Islam and Sikhism ...15 KB (2,385 words) - 15:11, 5 September 2022
- Turkish tea (çay) is a type of tea originating in Turkey and popular ... In fact, tea has become an integral part of Turkish culture. The serving ...11 KB (1,771 words) - 00:24, 3 May 2023
- is God in his manifestation as Creator of the universe. Brahmā is part ... city located on Mount Meru. As creator of the world, Brahmā is considered ...12 KB (1,970 words) - 22:34, 20 November 2023
- Helium (chemical symbol He, atomic number 2) is a minor component ... almost all new helium is created as a result of the nuclear fusion of hydrogen ...32 KB (4,897 words) - 15:19, 25 January 2023
- and later featured prominently in the works of artist M. C. Escher. Impossible ... to many through their inclusion in works of art. Such artworks reveal humankind ...8 KB (1,193 words) - 23:03, 17 March 2024
- require a ballast to regulate the flow of power through the lamp. In ... and industry are encouraging the replacement of traditional incandescent light ...43 KB (6,681 words) - 17:46, 28 March 2024
- usually white or colorless, but the presence of impurities can impart a wide ... environments, constitutes about four percent of the Earth's crust. It ...7 KB (1,007 words) - 18:20, 25 November 2023
- fungi. They are generally composed of hyphae (filamentous structures ... mushrooms, mildews, and yeast, make up one of the kingdoms in biological ...9 KB (1,390 words) - 19:49, 9 November 2022
- nothing could be colder. The unit increment of the Kelvin scale is the kelvin ... It can be shown from the laws of thermodynamics that absolute zero ...15 KB (2,316 words) - 17:20, 5 October 2022
- with its tributaries, forms the larger of the two river systems that ... The Paraguay-Paraná river system covers an area of almost 1 million ...15 KB (2,350 words) - 11:25, 11 March 2023
- The Hanging Gardens of Babylon (also known as the Hanging Gardens ... The image of the gardens is impressive not only for its beauty, but ...11 KB (1,741 words) - 20:50, 21 January 2024
- or crystals. Chemical bonds are the result of electromagnetic interactions ... Chemical bonding is categorized within five different classes of chemical ...25 KB (3,936 words) - 14:39, 5 December 2023
- A centrifuge is a piece of equipment, generally driven by a motor ... for separating materials in certain types of mixtures. If a liquid (or solution ...11 KB (1,529 words) - 23:56, 3 December 2023
- Jellyfish are marine invertebrates belonging to the Scyphozoan class ... Theoretically, members of Cnidaria have life cycles that alternate ...13 KB (1,960 words) - 18:03, 2 April 2024
- A fjord (or fiord) is a long, narrow deep inlet of the sea bordered ... The seeds of a fjord are laid when a glacier cuts a U-shaped valley ...16 KB (2,484 words) - 17:33, 28 March 2024
- Water Margin or Outlaws of the Marsh ( t=水滸傳|s=水浒传|p=Shuǐhǔ ... ) is one of the Four Great Classical Novels of Chinese literature ...17 KB (2,616 words) - 23:16, 3 May 2023
- world's longest freshwater lake and one of the world's oldest lakes ... Located at the southern end of the Western Rift Valley, the lake is ...12 KB (1,887 words) - 23:20, 21 October 2022
- advantage. There are three classes of levers that we come across ... Around 1500 B.C.E., the shaduf, a forerunner of the crane, made its appearance ...8 KB (1,282 words) - 22:06, 25 October 2022
- shale-type sedimentary rock composed of clay or volcanic ash through ... This rock is useful for a variety of practical applications. For instance ...5 KB (686 words) - 22:49, 29 January 2023
- In physics, surface tension is an effect within the surface layer ... ==The cause of surface tension== [[Image:WassermoleküleInTröpfchen ...28 KB (4,404 words) - 23:53, 26 February 2023
- Refraction is the change in direction of a wave due to a change in ... The refraction of waves through a medium is quantified in terms of ...21 KB (3,222 words) - 03:01, 8 December 2022
- In physics, wavelength is the distance between repeating units of ... The properties of a wave vary with the type of wave. For example, ...6 KB (857 words) - 23:20, 3 May 2023
- A chemical reaction is a process that leads to the interconversion ... changes that strictly involve the motion of electrons in the forming and ...12 KB (1,710 words) - 14:43, 5 December 2023
- mile (499 km) long river in the U.S. states of Nebraska, Colorado and Wyoming ... , with a drainage basin of some 86000|sqmi|km2|0|sp=us , a large portion ...19 KB (2,928 words) - 01:50, 10 April 2023
- Limnology is a discipline that concerns the study of inland aquatic ... which they have depended upon for water, transport, and food, as ...8 KB (1,108 words) - 08:43, 8 March 2023
- borate anions, that is, anions composed of boron and oxygen. There are ... The various types of borates are useful for a number of different ...10 KB (1,587 words) - 19:37, 20 November 2023
- ordinary washing, hand washing, or washing of the body. By extension, ablutions ... Ablutions of one sort or another are practiced in nearly every religious ...20 KB (3,118 words) - 04:49, 14 June 2023
- (2,586 kilometers) and covering an area of approximately 214,000 square ... a complex ecosystem comprising many billions of tiny organisms, known as coral ...18 KB (2,736 words) - 01:04, 21 January 2023
- that is designed to convert the energy of the wind into more useful forms ... as early as the first century C.E. by Hero of Alexandria, marking probably ...16 KB (2,438 words) - 10:59, 15 May 2023
- It is being used to inhibit the formation of natural gas clathrates in long ... aircraft design because, when used in place of water as an engine coolant ...16 KB (2,258 words) - 04:37, 22 March 2024
- This can be either a simple redox process such as the oxidation of ... The term redox comes from the two concepts of reduction and oxidation ...12 KB (1,809 words) - 02:49, 8 December 2022
- is a substance that increases the rate of a reaction—by decreasing ... protein molecules that are functional parts of an enzyme, which are generally ...16 KB (2,456 words) - 20:40, 3 May 2023
- (mechanical, physical, and biochemical) of living organisms, or to the ... Since the function of a part is related to its structure, physiology ...6 KB (856 words) - 05:11, 24 November 2022
- An engine is a machine that can convert some form of energy (obtained ... ==Usage of the term "engine"== Originally, an engine was ...16 KB (2,420 words) - 18:34, 13 February 2024
- A seed is the ripened ovule of gymnosperm or angiosperm plants. In ... The importance of the seed relative to more primitive forms of reproduction ...9 KB (1,464 words) - 02:24, 30 September 2022
- Canada, is the third largest (by volume) of the the five Great Lakes of ... Named after the Huron Indians by the French, it was the first of the ...12 KB (1,830 words) - 23:17, 21 October 2022
- well as other desert and mountainous regions of North Africa. hunts rodents, insects, birds, and eggs of birds and insects. Much of ...9 KB (1,498 words) - 23:29, 20 July 2022
- paired compound eyes on stalks, absence of a carapace, and an upside down ... Most of the species of Anostraca reach two centimeters (.8 inches ...13 KB (1,905 words) - 20:13, 1 November 2023
- Baobab is the common name for any of the deciduous trees comprising ... bottle tree (for their capacity to store water), and monkey bread tree ...12 KB (1,766 words) - 05:47, 15 June 2023
- 9) is a nonmetal that belongs to a group of chemical elements known as ... Fluorine and its compounds are useful for a wide range of applications ...13 KB (1,855 words) - 17:47, 28 March 2024
- Bentonite is an absorbent clay consisting mostly of the mineral montmorillonite ... Bentonite is useful for a wide range of applications. For instance ...9 KB (1,324 words) - 10:17, 28 September 2023
- Tardigrade, or water bear, is any of the various very small, segmented ... Water bears are able to survive in extreme environments that would ...13 KB (1,883 words) - 04:32, 27 February 2023
- The term acid rain is commonly used to mean the deposition of acidic ... Rain acquires additional acidity through the reaction of air pollutants ...13 KB (1,971 words) - 07:41, 14 June 2023
- Irrigation is an artificial application of water to the soil, usually ... to flushing and washing out anything with water or another liquid. This article ...28 KB (4,276 words) - 13:24, 6 March 2024
- Andesite is a type of igneous rock that is found in most volcanic ... Andes mountain range, where specific types of lava were given this name. ...6 KB (761 words) - 19:59, 26 July 2023
- Sphagnum is the common name and genus name for a group of mosses ... enhancer or conditioner, or used in potting of plants. Sphagnum moss has also ...14 KB (2,165 words) - 15:20, 27 April 2023
- came to describe the prominent art movement of the late nineteenth century ... Monet was born to Adolphe and Louise-Justine Monet, both of them second ...11 KB (1,719 words) - 10:58, 19 December 2023
- The Klamath are a Native American tribe of the Plateau culture area ... With the loss of their resources and federal support services, as ...18 KB (2,702 words) - 23:18, 3 March 2023
- , an early Stoic philosopher, succeeded Zeno of Citium as the second head of ... Cleanthes was born c. 301 B.C.E. at Assos in the Troad. Most of what ...5 KB (920 words) - 11:02, 19 December 2023
- nature, it is found in the stings and bites of many insects of the order Hymenoptera ... the first person to describe the isolation of formic acid by the distillation ...13 KB (1,811 words) - 06:35, 1 April 2024
- An oil spill is the unintentional release of a liquid petroleum hydrocarbon ... low concentrations. Oil that is denser than water settles on and penetrates ...11 KB (1,519 words) - 10:28, 11 March 2023
- The B vitamins or vitamin B complex are a group of eight, chemically ... regularly be replenished. Without the intake of these vitamins, one can experience ...10 KB (1,497 words) - 20:40, 3 May 2023
- scientific principles and Aristotelian logic of the twelfth century to scholars ... Neckam wrote religious works on a variety of subjects, most of which ...12 KB (1,817 words) - 14:26, 18 July 2023
- Duck is the common name for any member of a variety of species of ... Beyond their own individual purpose of survival, maintenance, and ...13 KB (1,960 words) - 17:18, 12 February 2024
- The Ancient City of Polonnaruwa, designated a World Heritage Site ... A great deal of the credit for establishing the Polonnaruwa kingdom ...12 KB (1,690 words) - 08:40, 24 November 2022
- smell. It is the most common member of a class of chemical compounds ... , although there is no contemporary evidence of this. It was first synthesized ...13 KB (1,801 words) - 14:33, 29 January 2024
- terraces, had been carved into the mountains of Ifugao in the Philippines by ... The rice culture of the Ifugao people requires tremendous skill and ...12 KB (1,820 words) - 03:26, 17 September 2023
- The continental shelf is the extended perimeter of each continent ... and the waters above the shelves provide a wealth of seafood. ...10 KB (1,465 words) - 02:48, 8 January 2024
- receives an average annual precipitation of less than 250 millimeters ... without carrying an adequate supply of water, have a slim chance of ...20 KB (3,022 words) - 09:55, 29 January 2024
- Carboxylic acids are organic acids characterized by the presence of ... Salts and anions of carboxylic acids are called carboxylates. ...13 KB (1,872 words) - 19:11, 26 November 2023
- using an organic solvent rather than water. The solvent is generally ... To avoid the problems of using perc, some businesses have switched ...18 KB (2,825 words) - 21:15, 30 January 2024
- Baleen whales comprise the Mysticeti, one of two suborders of the ... generally seen as gentle animals, a sighting of which adds to the wonder of ...10 KB (1,467 words) - 05:51, 26 August 2023
- Paint is the general term for a family of products used to protect ... and amateur artists can take advantage of the wide variety of artists ...12 KB (1,860 words) - 06:16, 18 November 2022
- Lavender is the common name for any of the various plants of the flowering ... While the flowers of the lavender serve the plant's need of reproduction ...11 KB (1,715 words) - 17:55, 25 October 2022
- :This article is about water ice. [[Image:SnowflakesWilsonBentley.jpg ... Ice is the name given to water in the solid state. In nature, it is ...24 KB (3,832 words) - 17:09, 10 February 2024
- Chemical engineering is the branch of engineering that applies scientific ... Chemical engineering is applicable to a wide range of technologies ...15 KB (2,143 words) - 14:40, 5 December 2023
- environments that shares characteristics of both environments and where ... The great variety of wetland types and the difficulty in defining ...25 KB (3,675 words) - 18:28, 17 April 2023
- The name roughly translates as "Sea of Islands," referring ... 50 percent its original size in a matter of decades. This reduction came ...21 KB (3,162 words) - 21:29, 11 August 2023
- Scuba diving is the act of swimming underwater while using a self ... the environment, in this case the majesty of the ocean or other bodies of ...20 KB (3,196 words) - 02:37, 21 April 2023
- Pope Saint Alexander I was the bishop of Rome for seven to ten years ... longer lists him as a martyr, as his cause of death cannot be historically ...6 KB (917 words) - 09:24, 24 November 2022
- The term xylene refers to a group of three benzene derivatives, each ... in the United States, measured in terms of volume. The xylenes are solvents ...10 KB (1,443 words) - 09:56, 22 May 2023
- quot;) was an Egyptian-born handmaiden of Abraham's wife Sarah in ... soon became enemies, and after the birth of Sarah's own son Isaac ...12 KB (1,936 words) - 07:22, 16 January 2024
- An otter is any member of 13 extant species of semi-aquatic and aquatic ... others occasional venture into marine or brackish water. ...15 KB (2,407 words) - 10:52, 11 March 2023
- Rotifers comprise a phylum, Rotifera, of microscopic and near-microscopic ... quot; underlies the harmony in nature. One of the classes of rotifers, Bdelloidea ...11 KB (1,517 words) - 21:46, 16 April 2023
- Snow is a type of precipitation in the form of crystalline water ice ... Snow can act as an insulator that conserves the heat of the Earth ...18 KB (2,780 words) - 21:42, 30 January 2023
- and digests animal prey consisting mostly of insects and arachnids. The ... #039;s Green Swamp. The nutritional poverty of the soil is a reason for the ...15 KB (2,279 words) - 17:48, 3 May 2023
- Argon (chemical symbol Ar, atomic number 18) is a member of the noble ... The inertness of argon is a very useful property for a number of applications ...11 KB (1,517 words) - 06:25, 12 August 2023
- Nitric acid (chemical formula HNO3) is one of the most important inorganic ... It is also used for the manufacture of explosives (such as nitroglycerine ...19 KB (2,942 words) - 02:25, 16 November 2022
- "parent" compound. Thus, members of the class of epoxides are also ... and structural materials. Polymerization of an epoxide gives a polyether ...6 KB (852 words) - 19:13, 13 February 2024
- estuary in the United States. It is one of the most productive bodies ... in the District of Columbia and parts of six states: New York, Pennsylvania ...21 KB (3,138 words) - 18:31, 8 December 2023
- China, it flows through nine provinces of China and empties into the ... The Yellow River is called the "Mother River of China" and ...20 KB (2,963 words) - 09:55, 23 May 2023
- Planetary habitability is the measure of a planet's or a natural ... An absolute requirement for life is an energy source, and the notion ...54 KB (8,172 words) - 20:44, 9 April 2023
- aquatic rodent, Hydrochoerus hydrochaeris, of Central America and tropical ... and large size help to make it one of the better known animals in ...10 KB (1,545 words) - 00:03, 15 November 2021
- In Greek mythology, a nymph, from the Latin word nympha, is any member ... the earth, they were seen to be care givers of the land and life in general ...13 KB (2,065 words) - 19:37, 17 November 2022
- formula SiH4. It is the silicon analog of methane and, like methane, ... a titanium implant. They are also used for water repellents, sealants, masonry ...8 KB (1,184 words) - 22:02, 29 January 2023
- (kyanós) = blue + bacterium) is a phylum (or "division" ... Cyanobacteria are some of the oldest organisms to appear in the fossil ...12 KB (1,656 words) - 17:46, 12 May 2020
- Magdeburg, the capital city of the Bundesland of Saxony-Anhalt, Germany ... The city also enjoyed frequent periods of prosperity. The current ...14 KB (2,050 words) - 04:57, 5 November 2022
- impart energy to the rotor. Gas, steam, and water turbines have a casing around ... Turbines are often part of a larger machine. Nearly all of the electrical ...17 KB (2,749 words) - 00:22, 3 May 2023
- Surf fishing is the sport of catching fish while standing on the shoreline ... therefore, must have a working knowledge of factors that effect fishing ...12 KB (1,914 words) - 23:52, 26 February 2023
- is called halite. It is highly soluble in water and is the salt most responsible ... dependence on the seasonal availability of food and allowed travel over ...16 KB (2,377 words) - 15:04, 27 April 2023
- fibers together. It is the oldest form of fabric known to humankind, ... vibrations between the interior panels of automobiles and to prevent ...9 KB (1,531 words) - 17:14, 26 March 2024
- Republic to the southeast, near the city of Irkutsk. Also known as the ... by volume, holding approximately 20 percent of the world's total surface ...14 KB (2,082 words) - 05:36, 4 March 2023
- mathematician, best known for his invention of the barometer. In addition ... Subsequently Evangelista, the eldest son of the family, was placed under ...8 KB (1,143 words) - 04:50, 23 March 2024
- Swimming is self-propulsion through water, or other liquid, usually ... sport, swimming is featured in a range of local, national, and international ...26 KB (3,876 words) - 13:41, 23 March 2023
- in the Earth's mantle where a column of hot magma rises up to melt ... Geologists have identified some 40–50 hotspots around the globe ...11 KB (1,444 words) - 16:21, 25 January 2023
- Sigiriya (Lion's rock) is a rock fortress and ruins of a palace ... similar to the paintings in Ajanta Caves of India. Sigiriya has an upper ...13 KB (1,926 words) - 20:09, 21 April 2023
- Essential oil is any concentrated, hydrophobic (immiscible with water ... Essential oils are found in diverse parts of plants, including leaves ...16 KB (2,270 words) - 12:06, 5 March 2021
- She is said to have been a disciple of Shri Guru Ravidas. She composed ... praised Lord Krishna. Bhakti is one of the most intimate and profound ...8 KB (1,235 words) - 18:54, 9 November 2022
- Eutrophication is the enrichment of an aquatic ecosystem with chemical ... In aquatic environments, enhanced growth of choking aquatic vegetation ...22 KB (3,105 words) - 06:56, 12 September 2023
- Agency (EPA) considers the bog one of the four general categories ... plant and animal species. They are a source of peat, which can be dried and ...13 KB (1,940 words) - 00:02, 12 January 2023
- Great Salt Lake, located in the northern part of the U.S. state of ... The lake is the largest remnant of Lake Bonneville, a pluvial lake ...23 KB (3,613 words) - 12:54, 22 January 2023
- formula C2H3Cl3O2. It is soluble in both water and alcohol, readily forming ... The name chloral hydrate suggests that it is the hydrate of chloral ...12 KB (1,697 words) - 17:07, 10 December 2023
- disease caused by flukes (class Trematoda) of the genus Schistosoma, with ... estimated 200 million people infected and, of these, 120 million displaying ...18 KB (2,573 words) - 17:07, 25 January 2023
- when dissolved in a solvent such as water, caustic soda is widely used ... airtight container. It is very soluble in water, with liberation of heat ...19 KB (2,762 words) - 15:05, 27 April 2023
- The Bay of Fundy ( Baie de Fundy ) is located on the Atlantic Ocean coastline of North America, at ...16 KB (2,540 words) - 03:10, 26 September 2023
- produced by hydropower—that is, the energy of moving water. It is the world ... about 715,000 megawatts (or 19 percent) of the world's electricity ...23 KB (3,052 words) - 21:35, 9 February 2024
- gas is the main product from the combustion of sulfur compounds and is of ... coal and petroleum contain various amounts of sulfur compounds, their combustion ...13 KB (1,988 words) - 21:44, 26 February 2023
- Koi is any of the ornamental, domesticated varieties of the common ... Koi is one of the world's most popular freshwater, ornamental ...13 KB (2,084 words) - 22:49, 18 October 2021
- Psettodidae (spiny flounders). All members of the order—which includes ... Flounders are a type of flatfish. Flatfish are an order (Pleuronectiformes ...11 KB (1,577 words) - 17:43, 28 March 2024
- "living being") era is an interval of about 186 million years defined ... After the great extinction event at the end of the Paleozoic era, ...11 KB (1,570 words) - 10:34, 10 March 2023
- Varnish is traditionally a combination of a drying oil, a resin, and ... evaporated, or harden after evaporation of the solvent through certain ...13 KB (2,023 words) - 14:37, 3 May 2023
- sandy area in southern Africa, covering much of Botswana and parts of Namibia ... A strange, yet essential feature of this region are the pans, which ...14 KB (2,202 words) - 06:57, 28 February 2023
- Regolith is a layer of loose, heterogeneous material covering solid ... need to take into consideration the type of regolith present at construction ...13 KB (1,996 words) - 03:04, 8 December 2022
- Ether is the general name for a class of organic chemical compounds ... alkyl groups attached to the oxygen atom (of the ether) and to append "ether ...15 KB (2,285 words) - 04:31, 22 March 2024
- mammal that lives in the cold Arctic seas of the Northern Hemisphere and ... There are six populations of walruses in the arctic and two or three ...11 KB (1,787 words) - 18:47, 17 April 2023
- Mayfly is the common name for any of the insects that belong to the ... There are about 2,500 species of mayflies worldwide, including about ...14 KB (2,120 words) - 09:21, 10 March 2023
- ) is a major ship canal that traverses the Isthmus of Panama in Central ... and the canal opened in 1914. The building of the 48-mile canal was plagued ...22 KB (3,431 words) - 11:11, 11 March 2023
- ) is used for a class of materials that consist of continuous filaments ... plant, animal, and mineral sources. Examples of natural fibers and their sources ...10 KB (1,428 words) - 17:32, 26 March 2024
- Excalibur, or Caliburn, is the legendary sword of King Arthur, sometimes ... The best known version of the story of the sword depicts the wizard ...13 KB (2,142 words) - 23:53, 24 March 2024
- In zoology, metamorphosis is the process of pronounced and relatively ... The complete metamorphosis of a butterfly has been used as a metaphor ...11 KB (1,565 words) - 16:21, 9 November 2022
- pattern, often involving the transfer of energy. When thinking about ... Examples of waves include: * Ocean surface waves, which are perturbations ...13 KB (2,010 words) - 23:20, 3 May 2023
- Marine Engineering is a profession practiced by members of a ship ... Sometimes, they are involved in the design and construction of these ...7 KB (1,011 words) - 15:57, 6 November 2022
- in the Sundarbans delta in Indian state of West Bengal. Mangrove forests ... The Sundarbans had been declared the core area of Sundarbans Tiger ...14 KB (1,909 words) - 23:31, 26 February 2023
- phylum Echinodermata, and class Asteroidea, of which there are over 1800 known ... Characteristics of sea stars include that they exhibit a superficially ...17 KB (2,546 words) - 04:39, 28 April 2023
- The name nylon is given to a family of synthetic polymers first produced ... In 1940, John W. Eckelberry of DuPont stated that the letters "nyl ...10 KB (1,452 words) - 10:12, 11 March 2023
- may also be used for a canal or a flow of water—for consumption, for ... the construction in the twentieth century of such undersea tunnels as the ...17 KB (2,599 words) - 00:21, 3 May 2023
- sweet-tasting liquid that is soluble in water and low in toxicity. It is ... to pharmaceutical formulations as a means of providing lubrication and as ...17 KB (2,494 words) - 18:22, 30 August 2021
- widely around the world in both fresh and salt water. Although prawns technically are of different crustacean suborder than ...12 KB (1,739 words) - 20:04, 21 April 2023
- The Great Basin is a huge heart-shaped area that covers parts of six ... square km) intermontane plateau covers most of Nevada and over half of Utah ...18 KB (2,728 words) - 02:26, 19 December 2022
- strives to remain "A national network of like-minded state and territorial ... Despite the urgency of environmental issues, nations are not taking ...15 KB (2,010 words) - 04:19, 11 March 2023
- gemstone") is a green variety of the mineral beryl and is among ... Although the possession of emeralds is indicative of wealth and luxury ...10 KB (1,413 words) - 15:17, 31 December 2021
- Buddhist teacher, philosopher, and founder of the Soto school of Zen in Japan ... His major work, Shobogenzo (literally, "Treasury of the True ...13 KB (2,020 words) - 16:34, 29 January 2024
- is a geological depression in the Horn of Africa, where it overlaps Eritrea ... below sea level. Dallol, Ethiopia is also part of the Depression, ...11 KB (1,699 words) - 05:57, 16 June 2023
- and Breg rivers, which join at the town of Donaueschingen. From this point ... Known to history as one of the long-standing frontiers of the Roman ...23 KB (3,172 words) - 22:13, 25 January 2024
- #039;s crust, constituting about 2 percent of the crust by weight. It is ... In its ionic form, magnesium is one of the most essential elements ...17 KB (2,430 words) - 10:49, 9 March 2023
- two dissimilar flagella during at least part of their life cycle. Among the ... plankton, but they are common in fresh water habitats as well. Their population ...14 KB (1,913 words) - 09:15, 15 January 2023
- becomes apparent as different methods of analysis when applied to acid ... Historically, the first of the scientific concepts of acids and bases ...18 KB (2,642 words) - 07:40, 14 June 2023
- Talc (derived from the Persian via Arabic talq) is a mineral composed ... This mineral serves a number of useful roles. It is widely known for ...8 KB (1,172 words) - 03:55, 27 February 2023
- ) is the goddess of learning, knowledge, and the arts including music ... In modern Hinduism, Sarasvati is one of the three goddesses (along ...16 KB (2,489 words) - 03:27, 23 December 2022
- Lake Superior, bounded by Ontario, Canada, and the U.S. state of Minnesota ... deepest (1,332 feet at its deepest point) of the Great Lakes. Its drainage ...18 KB (2,634 words) - 23:19, 21 October 2022
- It is the world's largest inland body of water, with a surface area ... Four-fifths of the world’s catch of sturgeon, which yield eggs that ...18 KB (2,737 words) - 14:23, 29 November 2023
- :This article is about the Christian sacrament of Baptism. For similar ... (baptízô), is a religious act of purification by water usually associated ...24 KB (3,694 words) - 07:45, 20 September 2023
- largest lake in the Northwest Territories of Canada (behind Great Bear Lake ... Today the residents of this region, with its remote northern location ...11 KB (1,706 words) - 13:20, 22 January 2023
- Astrochemistry, representing an overlap of the disciplines of astronomy ... beyond the Solar System. The study of chemicals within the Solar System ...7 KB (940 words) - 18:21, 19 August 2023
- Mining is the extraction of valuable minerals and other geological ... Yet, these problems persist in regions of the world where regulations ...18 KB (2,752 words) - 18:50, 9 November 2022
- marked shark is the only member of its genus Rhincodon and its ... for most humans the greatest significance of whale sharks is perhaps the ...14 KB (2,223 words) - 18:28, 17 April 2023
- philosopher. Anaxagoras conceived the origin of the cosmos as the pre-existing ... to Athens and gave scientific explanations of natural phenomena. His account ...9 KB (1,342 words) - 19:07, 26 July 2023
- The Minaret of Jam is located in the Shahrak District, Ghor Province ... , had been built entirely of baked-bricks. Robert Hillenbrand, Islamic ...10 KB (1,495 words) - 18:44, 9 November 2022
- gases only to cause further emission of infrared radiation back to ... The Earth's average surface temperature of 15°C (288 K) is considered ...23 KB (3,592 words) - 23:26, 17 February 2023
- The Bering Sea is the northernmost part of the Pacific Ocean that ... The Bering Sea is separated from the Gulf of Alaska by the Alaska ...15 KB (2,176 words) - 11:00, 28 September 2023
- ; 305 B.C.E. - 240 B.C.E.) was the representative thinker of the School ... Zou Yan is regarded as the founder of natural science in China. His ...13 KB (1,998 words) - 06:12, 13 June 2023
- Spearfishing is a form of fishing that has been popular throughout ... and is illegal in many others. Because of the belief of lack of sport ...23 KB (3,586 words) - 15:19, 27 April 2023
- sometimes called the "Lost City of the Incas") is one of ... Theories of its use vary. Bingham initially claimed it was a sanctuary ...16 KB (2,638 words) - 04:50, 5 November 2022
- He is best remembered as the inventor of the cotton gin. Whitney also ... the South prosperity, but the unwillingness of planters to pay for its use ...15 KB (2,202 words) - 16:11, 13 February 2024
- gas (LPG or LP-gas) and can be a mixture of propane with smaller amounts ... in gasoline by Dr. Walter O. Snelling of the U.S. Bureau of Mines in ...13 KB (1,941 words) - 00:08, 2 December 2022
- Tripitaka") is a Korean collection of the Tripitaka (Buddhist scriptures ... preserved and most complete extant version of Buddhist canon in Chinese script ...7 KB (985 words) - 17:42, 2 May 2023
- The Persian Gulf is located in Southwest Asia. It is an extension ... are the world's largest single source of crude oil, and related industries ...14 KB (2,162 words) - 00:43, 24 November 2022
- park located in the south-central part of Bauchi State in east-central ... The park, at an elevation of about 500 meters (1,600 ft) in the heartland ...13 KB (1,893 words) - 00:54, 17 April 2023
- (the "a" as in the word "water;" the "g" ... important teaching tools depicting the life of the Buddha, various influential ...6 KB (950 words) - 15:07, 30 April 2023
- various rocks, minerals, coral, and shells of marine animals. Soft gray in ... state. Rather, it occurs in the form of various compounds: calcium ...18 KB (2,626 words) - 18:21, 25 November 2023
- Toluene, also known as methylbenzene or phenylmethane, is a clear ... and chlorination by Cl2 in the presence of FeCl3 to give ortho and para ...10 KB (1,406 words) - 03:55, 1 May 2023
- The term supersonic is used to define a speed that exceeds the speed ... == Value of Mach 1 == At a typical temperature, such as 21 °C (70 °F ...7 KB (968 words) - 23:49, 26 February 2023
- In many Christian churches, Ash Wednesday is a day of repentance and ... abstinence from meat, and repentance—a day of contemplating one's transgressions ...9 KB (1,392 words) - 04:01, 18 August 2023
- heating, baking, or drying. Over the course of history, various types of ovens ... an art. The Greeks created a wide variety of doughs, loaf shapes, and styles ...11 KB (1,627 words) - 05:59, 18 November 2022
- Infrared astronomy is the branch of astronomy and astrophysics that ... that occur during the birth and death of stars, as well as to observe ...11 KB (1,589 words) - 19:23, 5 March 2024
- Cataratas del Iguazú) is a majestic area of cataracts on the Iguazu River ... The area consists of a network of 275 waterfalls spanning an area ...10 KB (1,592 words) - 13:42, 4 February 2023
- An iceberg is a large piece of freshwater ice that has broken off ... Given that the density of pure water ice is about 920 kilograms per ...12 KB (1,760 words) - 17:16, 10 February 2024
- when released into air, due to refraction of light. At low concentrations ... (1790-1868) in 1812, by exposing a mixture of carbon monoxide and chlorine ...10 KB (1,416 words) - 22:44, 28 March 2023
- Saccharin is a synthetic organic compound that tastes hundreds of ... Pure saccharin is not soluble in water, but if the molecule is combined ...13 KB (1,943 words) - 00:18, 22 August 2022
- reptiles that belong to the genus Alligator of the family Alligatoridae and ... sinensis in the Yangtze River, People's Republic of China. ...15 KB (2,172 words) - 18:37, 21 July 2023
- In geology and environmental science, erosion is the displacement ... rock into soil. Thus a certain degree of erosion is healthy for the ...24 KB (3,723 words) - 21:23, 20 March 2024
- wood. The name also is used for the wood of this species, which is commercially ... a symbiotic relationship tied to pollination of the trees. ...6 KB (941 words) - 04:22, 11 January 2023
- (Chenopodium), native to the high altitude of the Andes, and characterized ... Quinoa has been a popular food for people of the higher Andes since ...14 KB (2,175 words) - 15:58, 7 December 2022
- Deuterium (chemical symbol D or ²H) is a stable isotope of hydrogen ... Scientists have developed a variety of applications for deuterium ...31 KB (4,687 words) - 10:07, 29 January 2024
- Desert, encompasses 77,000 square miles of rolling sand dunes in eastern ... 039;s sand ridges. It is defined by a series of natural borders, including ...14 KB (2,193 words) - 15:08, 30 April 2023
- [[Image:Infrared_dog.jpg|thumb|right|332px|Image of a small dog taken ... radiation in a particular, invisible region of the electromagnetic spectrum ...10 KB (1,429 words) - 19:21, 5 March 2024
- Hoover Dam is a concrete gravity-arch dam in the Black Canyon of the ... Elwood Mead who oversaw the construction of the dam. Listed on the National ...19 KB (3,049 words) - 13:41, 2 February 2024
- front or simply "shock") is a type of propagating disturbance. Like ... Unlike solitons (another kind of nonlinear wave), the energy of a ...14 KB (2,249 words) - 14:22, 27 January 2023
- chemical formula H2SO4. It is soluble in water at all concentrations. It ... amounts than any other chemical besides water. World production in 2001 ...31 KB (4,778 words) - 21:53, 26 February 2023
- The First Epistle of John is a book of the Bible New Testament, the ... Purportedly by the same author or authors who wrote the Gospel of ...12 KB (2,015 words) - 17:22, 28 March 2024
- An island or isle is a tract of land that is completely surrounded ... There are two main types of islands: continental islands and oceanic ...19 KB (2,807 words) - 19:43, 7 February 2023
- Maple syrup is a sweet syrup (thick, sticky solution of sugar and ... Maple syrup is one of innumerable products that people obtain from ...18 KB (2,816 words) - 11:09, 9 March 2023
- A lake (from the Latin word lacus) is an inland body of water, not ... There is, however, a lack of consensus on definitions used to distinguish ...31 KB (4,835 words) - 05:36, 4 March 2023
- Surfing is a surface water sport in which the participant is carried ... to do so, Cook led his men to the big island of Hawaii. It was there that James ...15 KB (2,531 words) - 23:54, 26 February 2023
- As an educator, he promoted the teaching of history, science, and the arts ... gases becoming famous for his co-discovery of oxygen, which he called "dephlo ...19 KB (2,782 words) - 00:48, 11 August 2022
- in Portuguese, and meaning “big mirror of waters” in the native Guaraní ... The Pantanal, one of the most pristine and biologically rich environments ...13 KB (1,943 words) - 07:45, 18 November 2022
- Zeolites are an extremely useful group of minerals characterized by ... have been artificially synthesized. Some of the common mineral zeolites ...15 KB (2,158 words) - 05:51, 13 June 2023
- combined in several minerals and is one of the 26 elements that commonly ... several salts. Their colors reminded him of chromium salts, so he named ...15 KB (2,022 words) - 14:18, 3 May 2023
- Nautilus (from Greek nautilos, "sailor") is the common name ... by having an external shell and two pair of gills rather than one (Vecchione ...16 KB (2,282 words) - 04:24, 11 March 2023
- from 702–737 C.E. as the thirty-third king of the ancient Korean kingdom ... Seongdeok was the second son of King Sinmun, Silla's thirty-first ...9 KB (1,393 words) - 02:52, 30 September 2022
- combine with themselves to form a variety of compounds referred to as phosphoric ... == Preparation of orthophosphoric acid == There are two distinct kinds ...23 KB (3,466 words) - 04:24, 24 November 2022
- provide a look at the heart and soul of Korea. The Parks host and protect ... anniversary, and the twentieth anniversary of the Korea National Park Service ...14 KB (1,925 words) - 04:16, 11 March 2023
- Cubic zirconia (or CZ) is the cubic crystalline form of zirconium ... mineral baddeleyite is a natural form of zirconium oxide. This form ...11 KB (1,568 words) - 06:43, 11 January 2024
- In its human-powered form, the canoe is propelled by the use of paddles ... Sailing canoes are propelled by any of a variety of sailing rigs. ...28 KB (4,725 words) - 19:26, 25 November 2023
- [[Image:a cup of chai.JPG|thumbnail|190px|right|A cup of masala chai.]] is merely the generic word for tea in much of the world, but for many English ...16 KB (2,494 words) - 16:17, 7 November 2022
- The Nile is one of the world's great waterways, at 4,180 miles ... Flowing northward from remote sources in the mountains of Ethiopia ...23 KB (3,670 words) - 09:48, 11 March 2023
- The Golden Mountains of Altai is a UNESCO World Heritage Site in southern ... The Altai Mountains are a mountain system of Central Asia that extends ...13 KB (1,840 words) - 19:34, 8 June 2023
- explosive and is used in the manufacture of dynamite, which in turn is ... working under T.J. Pelouze at the University of Torino. The best manufacturing ...11 KB (1,527 words) - 02:27, 16 November 2022
- Carp is a common name for various freshwater fish of the family Cyprinidae ... auratus) and koi (a domesticated variety of the common carp, Cyprinus carpio ...12 KB (1,855 words) - 00:56, 13 January 2023
- The Caribbean Sea is a tropical sea in the Western Hemisphere, part ... coastline has many gulfs and bays: the Gulf of Venezuela, Gulf of Darien, ...13 KB (1,964 words) - 18:09, 14 November 2021
- or temperature gradient, using a variety of different principles. The word ... scale is the International Temperature Scale of 1990. It extends from 0.65 ...25 KB (3,599 words) - 01:20, 19 April 2023
- on the continent. Its overall length of 2,900 miles (4,667 kilometers ... rain forest, heavy rainfall, and poor soil of the basin that is traversed ...14 KB (2,084 words) - 19:05, 15 May 2020
- a furnace is usually produced by combustion of a fuel such as oil, wood, or ... for kiln, a device used in the production of ceramics. In British English ...23 KB (3,523 words) - 09:57, 18 October 2022
- Goldfish is the common name for a freshwater fish, Carassius auratus ... One of the earliest fish to be domesticated—in China over 1,000 ...24 KB (3,750 words) - 11:55, 24 January 2023
- Australian Alps, draining the western side of Australia's highest mountains ... The Murray is one of the major river systems in one of the driest ...26 KB (4,062 words) - 19:01, 10 November 2022
- in Northern Europe. Considered an arm of the Atlantic Ocean, it is connected ... Similar to the Black Sea, the Baltic is one of the most brackish bodies ...25 KB (3,903 words) - 03:20, 17 September 2023
- hydrocarbon fuels found within the top layer of the Earth’s crust. They range ... they were formed from the fossilized remains of dead plants and animals, during ...15 KB (2,136 words) - 06:36, 1 April 2024
- Today, the unique structure of the chickee has become popular for ... Chiki is also the word for house among the Totonacs of Mexico. ...7 KB (1,029 words) - 15:22, 10 December 2023
- Sand is a naturally occurring, finely divided rock, made up of small ... as sandblasting. Extended inhalation of fine silica particles can cause ...14 KB (2,163 words) - 03:11, 23 December 2022
- Earless seal is the common name for any of the pinnipeds comprising ... Earless seals live in the oceans of both hemispheres and are mostly ...14 KB (2,130 words) - 16:04, 10 October 2020
- Its main use, however, is in the production of other chemicals. About 40 percent ... Methanol is produced naturally in the anaerobic metabolism of many ...20 KB (2,894 words) - 16:26, 9 November 2022
- Urea is an organic compound of carbon, nitrogen, oxygen, and hydrogen ... thereby dealing a serious blow to the theory of vitalism. ...16 KB (2,391 words) - 13:44, 3 May 2023
- worm). The disease is spread by drinking water contaminated by copepods ... The guinea worm is one of the best historically documented human parasites ...30 KB (4,300 words) - 12:39, 24 January 2023
- from its headwaters in the Rocky Mountains of Colorado south into Mexico ... Prior to the construction of major dams along its route, this river ...24 KB (3,618 words) - 22:40, 7 January 2024
- a gorge, valley, road, railroad track, body of water, or other physical obstacle ... The Oxford English Dictionary traces the origin of the word bridge ...14 KB (2,066 words) - 20:15, 11 March 2024
- Cork is a term variously used for a lightweight, elastic, water-resistant ... in colloquial speech, is the outermost layer of a woody stem, derived from ...16 KB (2,451 words) - 20:36, 23 May 2020
- to indicate that certain properties of matter (such as a material ... The investigation of properties, whether isotropic or anisotropic ...8 KB (1,148 words) - 06:28, 28 July 2023
- regions near its mouth at the Gulf of Mexico. The Rio Grande serves as a major part of the international border ...17 KB (2,584 words) - 01:41, 15 December 2022
- Potassium (chemical symbol K, atomic number 19) is a member of a group ... The ions, alloys, and compounds of potassium have a wide range of ...18 KB (2,538 words) - 05:52, 30 November 2022
- Masonry is the building of structures from individual units laid in ... Masonry is commonly used to make the walls of buildings, retaining ...14 KB (2,254 words) - 16:18, 7 November 2022
- are distinguished from masts by their lack of guy-wires and are therefore ... to serve other functions using the height of the tower. For example, the ...11 KB (1,621 words) - 23:19, 27 April 2024
- temperature and melts in the hand. It is one of only a few materials that expands ... Gallium is most commonly used in the form of the compound gallium ...15 KB (2,122 words) - 04:06, 18 April 2024
- ) is a radioactive isotope of hydrogen. The nucleus of tritium (sometimes ... The properties of tritium make it useful for various applications ...18 KB (2,638 words) - 16:50, 5 November 2022
- the savannas and plains with dense clusters of trees and shrubs of many nations ... meat. As such, impalas reflect the principle of bi-level functionality, providing ...10 KB (1,571 words) - 16:37, 12 February 2024
- a pre-Socratic Greek philosopher, the second of the philosophers of Ionia ... inquired into the unchanging principle of being that can uniformly explain ...7 KB (1,099 words) - 19:08, 26 July 2023
- that completely lose their foliage for part of the year. a few months (following a constant process of new leaves being grown and ...11 KB (1,564 words) - 04:53, 6 April 2021
- ) are a series of mountain peaks that run along the northwestern portion ... The difficult terrain of the Atlas Mountain Range extends 1,500 miles ...12 KB (1,891 words) - 06:24, 21 August 2023
- and Parastacidae, resembling small versions of the marine lobsters, to which ... a popular food for people in various regions of the world. ...15 KB (2,268 words) - 00:19, 15 January 2023
- Space manufacturing involves the production of manufactured goods ... the Solar System at a lower cost than that of lifting materials into orbit. ...17 KB (2,555 words) - 19:04, 7 February 2023
- Gravimetric analysis describes a set of methods in analytical chemistry ... to remove impurities, dried to remove traces of moisture from the solution ...8 KB (1,266 words) - 19:27, 20 January 2023
- Old Drunkard 醉翁, or The Retired Scholar of the One of Six 六一居士 ... In his prose works, Ouyang followed the example of Han Yu, promoting ...18 KB (2,877 words) - 05:59, 18 November 2022
- Ambystoma mexicanum, which is the best-known of the Mexican neotenic mole salamanders ... Although the axolotl is limited in distribution to just one small ...13 KB (1,951 words) - 06:05, 10 January 2023
- east-central North America, crossing the interior of the continent ... The System traverses the Canadian provinces of Quebec and Ontario ...15 KB (2,273 words) - 20:48, 17 April 2023
- Sodium (chemical symbol Na, atomic number 11) is a member of a group ... bright illumination at low cost. An alloy of sodium and potassium (NaK) ...21 KB (3,204 words) - 21:54, 30 January 2023
- The Great Lakes of Africa are a series of lakes in and around the ... the three largest lakes have a host of middle-sized and small lakes ...16 KB (2,498 words) - 06:05, 16 June 2023
- Dobsonfly is the common name for any of the insects comprising the ... The dobsonflies include some of the largest and most impressive of ...11 KB (1,495 words) - 09:21, 15 January 2023
- It comes in many allotropic forms, of which the yellow, black, and ... in history by murderers, including members of the ruling class, to gain wealth ...21 KB (2,920 words) - 04:00, 15 August 2023
- In Sumerian mythology and later in the religions of Assyria and Babylonia ... in the archaeological record, making him one of the oldest of the gods. Like ...10 KB (1,744 words) - 21:24, 24 March 2024
- Sustainable development is defined as balancing the protection of ... First coined in 1980 by the International Union for the Conservation ...14 KB (1,869 words) - 00:30, 27 February 2023
- shelters, and grottos. The scientific study of caves is known as speleology. unusual species that inhabit caves, some of which are not found outside ...13 KB (2,017 words) - 16:20, 3 December 2023
- The Arctic Ocean is the smallest and shallowest of the world's ... and is known as the coldest of all the oceans. The International Hydrographic ...31 KB (4,598 words) - 06:22, 12 August 2023
- an aquatic stage where they spend part of their time, as well as a terrestrial ... A highly diverse group of animals with only a core percentage exemplifying ...22 KB (3,306 words) - 12:33, 9 January 2023
- , Okeanos (Oceanus) in Greek) is a major body of saline water, and ... The world ocean, an integral part of global climate, is constantly ...25 KB (3,710 words) - 21:09, 17 April 2023
- molecular structures, silicones with a range of properties can be prepared ... Different types of silicones have been developed for a variety of ...15 KB (2,090 words) - 22:06, 29 January 2023
- Eastern) dragon. Unlike the Western dragon of Europe that is representative ... dragon is benevolent and powerful, bringer of good fortune. Its image was ...21 KB (3,271 words) - 17:03, 10 December 2023
- The Battle of Karbala was a military engagement that took place on ... The Battle of Karbala is particularly central to Shi'a Muslim ...12 KB (2,050 words) - 10:03, 22 September 2023
- Sedimentology encompasses the study of modern sediments such as sand, ... It also compares these observations to studies of ancient sedimentary ...11 KB (1,469 words) - 17:45, 25 January 2023
- URSAG) was the earth and mother goddess, one of the major deities of ancient ... One of the oldest of the Mesopotamian gods, Ninhursag both subsumed ...14 KB (2,349 words) - 04:51, 15 November 2022
- or combustion, together with the quantity of air that is entrained or otherwise ... Smoke inhalation is the primary cause of death in victims of indoor ...7 KB (1,034 words) - 21:19, 30 January 2023
- The Gulf of Mexico is the ninth largest body of water in the world ... This partially landlocked body of water, an indentation in the southeastern ...19 KB (2,915 words) - 08:28, 8 January 2024
- [[image:Edge_of_Space2.png|thumb|right|175px|Layers of Atmosphere (NOAA)]] The Earth's atmosphere is a layer of gases surrounding our planet ...24 KB (3,540 words) - 17:34, 12 February 2024
- between the Thrace and Anatolian sections of Turkey. The world's narrowest ... and control over it has been an objective of a number of hostilities in ...18 KB (2,647 words) - 14:59, 9 February 2022
- Muir Woods National Monument is a unit of the National Park Service ... While much of California's forests have been used for commercial ...13 KB (2,008 words) - 01:49, 11 March 2023
- SI Units are the most widely used system of units. They are the most ... The emergence of an internationally recognized system of units at ...15 KB (2,449 words) - 18:28, 22 December 2022
- The coconut palm is species of palm tree, Cocos nucifera, that grows ... The term coconut refers to the fruit of the coconut palm, which consists ...29 KB (4,782 words) - 22:20, 7 January 2024
- Fluorite (also called fluorspar) is a mineral composed of calcium ... Historically, some varieties of fluorite have been used for ornamental ...8 KB (1,085 words) - 17:48, 28 March 2024
- to cuttlefish. This large, diverse group of invertebrates comprise the ... suckers as their tips only.) The suckers of squids also have hooks and/or ...13 KB (1,807 words) - 15:45, 27 April 2023
- charcoal, or activated coal) is a form of carbon that has been processed ... Activated carbon is valuable for a variety of applications. Examples ...23 KB (3,406 words) - 05:41, 15 June 2023
- liquid residue obtained in the preparation of sucrose (commercial sugar) ... such as gingerbread and in the production of the alcoholic beverage rum ...11 KB (1,738 words) - 13:05, 10 March 2023
- as the United States, it crosses the borders of 11 nations. While much of the ... than it is today. Over 30,000 petroglyphs of river animals such as crocodiles ...19 KB (2,916 words) - 16:15, 25 August 2022
- Diazonium compounds or diazonium salts are a group of organic compounds ... The process of forming diazoniums compound is called diazotation, ...7 KB (1,048 words) - 13:34, 15 July 2020
- scale from natural gas and as a by-product of petroleum refining. The chief use of ethane is as a petrochemical feedstock for ethylene ...16 KB (2,309 words) - 01:40, 19 March 2022
- is used for fishing. Fishing nets are made of mesh usually formed by knotting ... A variety of fishing nets have been developed since antiquity. Local ...17 KB (2,692 words) - 17:32, 28 March 2024
- Cartilage is a type of dense connective tissue found in vertebrates ... intervertebral discs. It is a major part of the embryonic vertebrate skeleton ...12 KB (1,668 words) - 00:43, 29 November 2023
- amphioxus, plural amphioxi) is a subphylum of marine invertebrates of the ... The notochord of cephalochordata, unlike the vertebrate spine, extends ...7 KB (1,039 words) - 01:45, 13 January 2023
- Cement, in the most general sense of the word, is a binder, a substance ... The most important use of cement is the production of mortar and concrete ...23 KB (3,479 words) - 23:48, 3 December 2023
- comprising the suborder Pliosauroidea of the Plesiosauria order, characterized ... , the pliosaurs had disappeared by the end of the Mesozoic era, when a catastrophic ...11 KB (1,490 words) - 08:04, 24 November 2022
- Yams are members of the flowering plant genus Dioscorea. They are ... In addition to addressing the physical needs of people—offering ...11 KB (1,724 words) - 19:48, 26 November 2022
- is a theory that asserts that the nature of complex things is reduced to ... positivists attempted to achieve the unity of science ("unified science ...13 KB (1,960 words) - 02:59, 8 December 2022
- known as soda, pop, or soda pop, in parts of the United States, Canada, ... Common soft drinks include colas, sparkling water, lemonade, squash, and fruit ...25 KB (3,852 words) - 15:05, 27 April 2023
- This chemical is used mostly as an intermediate in the production ... A minor but significant use of ethylene oxide is for the sterilization ...12 KB (1,739 words) - 04:37, 22 March 2024
- A lichen is a composite organism composed of a fungus (the mycobiont ... The body (thallus) of most lichens is quite different from that of ...19 KB (2,789 words) - 22:35, 25 October 2022
- The Adriatic Sea is part of the Mediterranean Sea separating the Italian ... The sea's western coast runs the length of Italy, while the eastern ...13 KB (2,044 words) - 06:18, 15 June 2023
- Soil is the mixture of minerals, organic matter, liquids, and gases ... While the general concept of soil is well established, the definition ...27 KB (4,112 words) - 15:59, 14 October 2022
- the future, before Yawm al-Qiyamah (The Day of Resurrection, Judgment Day). is a common Arabic word, used in the sense of "false prophet," ...8 KB (1,233 words) - 16:34, 21 January 2024
- The magma may be derived from partial melts of pre-existing rocks in the Earth ... Igneous rocks make up approximately 95 percent of the upper part of ...25 KB (3,680 words) - 13:42, 4 February 2023
- Goose (plural geese) is the common name for any member of a variety ... In addition to their ecological value as part of the ecosystem, geese ...10 KB (1,554 words) - 01:17, 5 March 2021
- Garnet is a group of minerals that have been used since the Bronze ... Pure crystals of garnet are used as gemstones. In addition, garnet ...18 KB (2,682 words) - 04:33, 18 April 2024
- Corrosion is the deterioration of a material's essential properties ... The rusting of iron is a well-known example of corrosion. Other metals ...20 KB (3,072 words) - 03:36, 8 January 2024
- In Christian religious practice, infant baptism is the baptism of ... Most Christian denominations accept the doctrine of infant baptism ...16 KB (2,399 words) - 22:37, 5 February 2023
- named for its primary component. It consists of a pigment dissolved in water ... The technique of water-based painting dates to ancient times, and ...20 KB (2,883 words) - 23:18, 3 May 2023
- benthic, being anchored to the bottom of the ocean or to solid structures. for seaweed, are a large and diverse group of photosynthetic, eukaryotic ...11 KB (1,607 words) - 17:38, 25 January 2023
- chosen as a symbol for national unity a Fort of Islamic architecture. That ... The Red Fort stands at the eastern edge of Shahjahanabad, receiving its ...10 KB (1,606 words) - 02:24, 8 December 2022
- is located in the northern and eastern part of the Sahara Desert and occupies ... Libya into northwestern Sudan. A group of oases enables the cultivation ...13 KB (2,064 words) - 22:35, 25 October 2022
- Distillation is a method of separating chemical substances based on ... Distillation is used for a variety of purposes. Water is distilled ...29 KB (4,405 words) - 15:30, 29 January 2024
- Pyrite (or iron pyrite) is the most common of the sulfide minerals ... Pyrite is often used to make necklaces, bracelets, and other types ...8 KB (1,190 words) - 21:08, 14 April 2023
- Herakleitos) (c. 535 – 475 B.C.E.) is one of the most important pre-Socratic ... His words resemble those of a prophet, rather than those of a philosopher ...11 KB (1,556 words) - 09:50, 22 January 2024
- in Fujian Province, widely considered one of the best grades of white tea]] White Tea is the least processed form of tea, made only from buds ...20 KB (3,196 words) - 18:15, 4 May 2023
- first to quantify the change in frequency of a wave motion experienced by ... Christian Doppler was born in Salzburg, Austria, the son of a well ...11 KB (1,670 words) - 17:59, 10 December 2023
- mythology. He was originally the chief god of the city of Eridu. The exact ... Enki was the god of water, crafts, intelligence, and creation. He ...18 KB (3,043 words) - 08:34, 5 February 2022
- Barley is any annual cereal grass of the genus Hordeum, and in particular ... ranks fourth among the cereals in terms of total world production (BarleyWorld ...12 KB (1,885 words) - 08:08, 20 September 2023
- entire world. Lying in the large Tarim Basin of the Uygur Autonomous Region ... The constantly shifting sands and extreme weather conditions of the ...10 KB (1,621 words) - 00:52, 21 April 2023
- Sargon I, also known as Sargon of Akkad or Sargon the Great (Akkadian: ... including Mesopotamia and possibly parts of Anatolia. He ruled from a new ...10 KB (1,482 words) - 02:26, 21 April 2023
- A detergent is a chemical compound or mixture of compounds used as ... Although detergents are very useful, the excessive use of certain ...26 KB (3,968 words) - 21:42, 30 January 2023
- popularly known as the "Founder of the American Industrial Revolution ... manufacturing, others regard him as a hero of the Industrial Revolution in ...8 KB (1,244 words) - 03:02, 23 December 2022
- world. Located in the central North Island of New Zealand, the nearest towns ... describing cultural landscapes, and is one of the 25 mixed cultural and natural ...17 KB (2,639 words) - 03:58, 1 May 2023
- Water polo is a team water sport that combines elements of swimming ... == Overview of Rules == Glossary of Water Polo :Note: Rules below reflect ...54 KB (9,243 words) - 23:17, 3 May 2023
- Chaetognatha is a phylum of small, slender, marine worms, generally ... Chaetognaths are an important part of marine food chains, consuming ...12 KB (1,699 words) - 00:12, 4 December 2023
- The metric system is a decimalized system of measurement based on ... One goal of the metric system is to have a single unit for any physical ...26 KB (4,128 words) - 16:28, 9 November 2022
- temperature fluctuations in surface waters of the tropical Eastern Pacific ... Australia. The most recent occurrence of El Niño started in September ...28 KB (4,276 words) - 00:07, 13 February 2024
- Photosynthesis is the conversion of the energy of sunlight into chemical ... The essential function of photosynthesis in the biosphere attests ...27 KB (4,019 words) - 05:05, 24 November 2022
- , translated as Sea of Salt), is a salt lake lying on the border between ... around the Mediterranean basin for thousands of years. It was a place of refuge ...24 KB (3,779 words) - 08:53, 28 January 2024
- A thermostat is a device for regulating the temperature of a system ... Thermostats can be constructed in many ways and may use a variety ...21 KB (3,178 words) - 18:31, 30 April 2023
- ), meaning "study of") is the scientific study of earthquakes ... is known as paleoseismology. A recording of Earth's motions as a function ...9 KB (1,301 words) - 17:46, 25 January 2023
- is a soft, silvery-white metallic element of the alkali metal group. Rb ... and zinnwaldite, which contains traces of up to one percent of its oxide ...14 KB (1,892 words) - 20:57, 21 December 2022
- Eel is the common name for any of the various members of the fish ... The common name eel also is applied to members of various species ...9 KB (1,257 words) - 04:30, 21 November 2020
- Michelson, to determine whether the speed of light was affected by the Earth ... Morley was born in Newark, New Jersey, the eldest son of Sardis Brewster ...11 KB (1,652 words) - 16:28, 9 August 2023
- as well as gauges that detect petroleum and water in oil wells. Recently, it ... are regularly observed in the spectra of supernovae. == History == ...11 KB (1,466 words) - 18:27, 25 November 2023
- referred to the animal by the feminine name of Nessie. sightings as hoaxes or misidentification of known creatures or natural ...23 KB (3,593 words) - 16:55, 6 November 2023
- The Great Lakes region includes much of the Canadian province of Ontario ... vast inland freshwater seas have provided water for consumption, transportation ...23 KB (3,330 words) - 22:50, 21 January 2023
- [[Image:minerals.jpg|right|frame|An assortment of minerals. Photo ... salts to complex silicates with thousands of known forms. They are identified ...16 KB (2,351 words) - 18:48, 9 November 2022
- functional groups, form a homologous series of hydrocarbons with the general ... (C2H4), which has the International Union of Pure and Applied Chemistry ...13 KB (1,908 words) - 22:30, 4 January 2023
- Agricultural technology refers to technology for the production of ... the most revolutionary and impactful areas of modern technology, driven by ...11 KB (1,529 words) - 06:48, 16 June 2023
- The Rime of the Ancient Mariner (original: The Rime of the Ancyent ... The Rime of the Ancient Mariner was the first poem in the volume; ...18 KB (2,959 words) - 15:42, 30 April 2023
- Actinopterygii, is a major taxonomic class (or subclass) of fish, ... "fin rays," their fins being webs of skin supported by bony or horny ...14 KB (1,774 words) - 17:27, 17 December 2022
- A dam is a barrier across flowing water that obstructs, directs, or ... A dam may serve one or more purposes, such as to provide water for ...36 KB (5,567 words) - 18:07, 24 January 2024
- The Indian Ocean is the third largest of the world's oceanic ... 147° east meridian. The northernmost extent of the Indian Ocean is approximately ...15 KB (2,187 words) - 18:45, 7 February 2023
- Hampshire. In addition to his literary body of work, Kingsley was a Protestant ... An advocate of Christian socialism, he published several novels about ...18 KB (2,593 words) - 19:34, 4 December 2023
- a silvery metallic element that is a member of the lanthanide series of chemical ... Cerium, its alloys, and its compounds are valuable for a variety of ...15 KB (2,039 words) - 23:59, 3 December 2023
- a vital role in the structures and processes of the living and nonliving worlds ... The careless disposal of paints, plastics, and other carbon-containing ...21 KB (2,997 words) - 22:12, 25 November 2023
- The L-isomer of valine, which is the only form that is involved in ... makes it important for the correct folding of proteins. The functionality ...8 KB (1,183 words) - 14:14, 3 May 2023
- Moss is the common name for any of the small, green, non-vascular ... There are other non-bryophyte organisms that use the common name of ...21 KB (3,181 words) - 01:43, 11 March 2023
- Tortoise is the common name for any turtle of the family Testudinidae ... For humans today, tortoises mainly add to the wonder of nature, being ...18 KB (2,557 words) - 05:27, 4 November 2022
- matter itself, but it involves the reaction of different types of matter to ... played an enormous role in the development of human civilization. Human scientific ...16 KB (2,510 words) - 19:51, 26 March 2024
- and critic, who has been called the master of Vernacular Chinese (standard ... Confucius avoided being named the author of the Spring and Autumn Annals ...23 KB (3,604 words) - 02:01, 9 February 2023
- Acorn is the fruit (a nut) of the oak tree (the flowering plant genus ... bear. Reflecting the harmony in nature, many of these same animals also serve ...14 KB (2,247 words) - 17:31, 16 February 2023
- Gastrotricha is a phylum of microscopic, free-living, aquatic worms ... most humans, other than adding to the wonder of nature, gastrotricha are not ...12 KB (1,482 words) - 07:54, 23 January 2023
- are important archeologically because of the many cliff-dwellings built ... A submarine canyon is a steep-sided valley on the sea floor of the ...14 KB (2,019 words) - 19:29, 25 November 2023
- Cholera is transmitted and spread to humans through consumption of ... cholerae most often occurs due to a lack of proper sanitation (clean water ...32 KB (4,728 words) - 17:16, 10 December 2023
- the East China Sea at Shanghai, receiving water from over 700 tributaries ... The Yangtze is one of the world's busiest waterways, flanked ...22 KB (3,191 words) - 00:54, 17 April 2023
- The City of Rocks is a U.S. National Reserve and state park at the ... The City of Rocks is an extraordinary granite encirclement of rock ...16 KB (2,492 words) - 22:26, 10 December 2023
