Search results for "Nitrogen-14" - New World Encyclopedia
From New World Encyclopedia
Page title matches
- of the mass) of air. Its most common isotope, nitrogen-14 (14N), appears to be created through nuclear fusion processes in stars. Compounds that ...22 KB (3,304 words) - 02:26, 16 November 2022
- Nitrogen dioxide is a chemical compound with the formula NO2. It is one of the several nitrogen oxides. At ordinary temperatures and atmospheric ...7 KB (934 words) - 02:27, 16 November 2022
Page text matches
- Nitrogen dioxide is a chemical compound with the formula NO2. It is one of the several nitrogen oxides. At ordinary temperatures and atmospheric ...7 KB (934 words) - 02:27, 16 November 2022
- A nonmetal is a chemical element with several properties that are opposite those of a metal. Based on their properties, the elements of the periodic ...6 KB (785 words) - 02:40, 16 November 2022
- of the mass) of air. Its most common isotope, nitrogen-14 (14N), appears to be created through nuclear fusion processes in stars. Compounds that ...22 KB (3,304 words) - 02:26, 16 November 2022
- In chemistry, an amide is one of two kinds of compounds: * the organic functional group characterized by a carbonyl group (C=O) linked to a nitrogen ...10 KB (1,423 words) - 06:58, 25 July 2023
- Nucleosides are structural subunits of nucleic acids, the macromolecules that convey genetic information in living cells. They consist of a nitrogen ...6 KB (865 words) - 10:10, 11 March 2023
- Diazonium compounds or diazonium salts are a group of organic compounds sharing a common functional group with the characteristic structure of ...7 KB (1,048 words) - 13:34, 15 July 2020
- Deoxyribose, also known as D-Deoxyribose and 2-deoxyribose, is a pentose sugar (monosaccharide containing five carbon atoms) that is a key component ...7 KB (1,045 words) - 05:24, 25 August 2020
- |- | align="center" colspan="2" bgcolor="#ffffff" | [[Image:Nitric-oxide-2D.png|150px|Nitric oxide]] ...12 KB (1,673 words) - 02:25, 16 November 2022
- Cyanobacteria (Greek: κυανόs (kyanós) = blue + bacterium) is a phylum (or "division") of bacteria that obtain their energy through ...12 KB (1,656 words) - 17:46, 12 May 2020
- The term acid rain is commonly used to mean the deposition of acidic components in rain, snow, fog, dew, or dry particles. The more accurate ...13 KB (1,971 words) - 07:41, 14 June 2023
- Pyridine is a fundamentally important chemical compound with the formula C5H5N. It is a liquid with a distinctively putrid, fishy odor. Its molecules ...11 KB (1,458 words) - 03:38, 7 December 2022
- Urea is an organic compound of carbon, nitrogen, oxygen, and hydrogen. Its chemical formula may be written as CO(NH2)2, CON2H4, or CN2H4O. It ...16 KB (2,391 words) - 13:44, 3 May 2023
- Eutrophication is the enrichment of an aquatic ecosystem with chemical nutrients, typically compounds containing nitrogen, phosphorus, or both ...22 KB (3,105 words) - 06:56, 12 September 2023
- model (which is not the modern one), nitrogen-14 was thought to consist ... of 1/2, and in the Rutherford model of nitrogen-14, 20 of the 21 particles ...18 KB (2,740 words) - 00:29, 17 November 2022
- Atmospheric chemistry involves study of the chemistry of the atmospheres of Earth and other planets. It is a branch of atmospheric science and ...11 KB (1,481 words) - 06:25, 21 August 2023
- For a chemical reaction to take place, it requires a certain minimum amount of energy, called its activation energy. If a substance can lower ...12 KB (1,789 words) - 17:49, 30 November 2023
- isotope that decays to produce the isotope nitrogen-14 (14N). The half-life of 14C is about 5,730 years. This means that if one starts with 10 grams ...8 KB (1,160 words) - 16:04, 3 August 2023
- Category:Public color=lightgreen | name= Pea image = [[Image:Doperwt rijserwt peulen Pisum sativum.jpg|240px]] | caption = color = lightgreen ...12 KB (1,789 words) - 17:09, 26 March 2023
- Smoke is the airborne solid and liquid particulates and gases evolved when a material undergoes pyrolysis or combustion, together with the quantity ...7 KB (1,034 words) - 21:19, 30 January 2023
- Nitric acid (chemical formula HNO3) is one of the most important inorganic acids. Eighth-century alchemists called it aqua fortis (strong water ...19 KB (2,942 words) - 02:25, 16 November 2022
- In physics, the proton (Greek πρῶτον proton = first) is a subatomic particle with an electric charge of one positive fundamental unit. ...10 KB (1,600 words) - 08:20, 2 December 2022
- Category:Public color = lightgreen | name = Peanut image = [[Image:Koeh-163.jpg|240px]] | caption = Peanut (Arachis hypogea) color = lightgreen ...11 KB (1,669 words) - 17:09, 26 March 2023
- Ammonium sulfate is an inorganic chemical compound with the chemical formula (NH4)2SO4. It contains 21 percent nitrogen in the form of ammonium ...6 KB (752 words) - 07:39, 25 July 2023
- As a general, non-taxonomic term, insectivore is a dietary category that applies to any organism feeding chiefly on insects and similar small ...10 KB (1,530 words) - 22:53, 5 February 2023
- Amines are organic compounds and a type of functional group that contain nitrogen as the key atom. Structurally amines resemble ammonia, wherein ...18 KB (2,577 words) - 07:02, 25 July 2023
- The main group elements of the periodic table are groups 1, 2 and 13 through 18. Elements in these groups are collectively known as main group ...30 KB (4,368 words) - 00:41, 24 November 2022
- Microbiology is the study of microorganisms (microbes), which are organisms (forms of life) that are microscopic; that is, too small to be visible ...12 KB (1,722 words) - 17:27, 9 November 2022
- A covalent bond is a type of chemical bond characterized by the sharing of a pair of electrons between two atoms. In general, a chemical bond ...15 KB (2,401 words) - 06:13, 11 January 2024
- Argon (chemical symbol Ar, atomic number 18) is a member of the noble gas family of elements. It is present in the Earth's atmosphere at ...11 KB (1,517 words) - 06:25, 12 August 2023
- |- | align="center" colspan="2" bgcolor="#ffffff" | [[Image:Nitrous-oxide-3D-vdW.png|150px|Nitrous oxide - space ...20 KB (2,927 words) - 02:28, 16 November 2022
- Category:Public [[image:Edge_of_Space2.png|thumb|right|175px|Layers of Atmosphere (NOAA)]] The Earth's atmosphere is a layer of gases surrounding ...24 KB (3,540 words) - 17:34, 12 February 2024
- In botany, the term evergreen refers to a tree, shrub, or other plant having foliage that persists throughout the year. This terminology includes ...11 KB (1,564 words) - 04:53, 6 April 2021
- A metalloid is a chemical element with properties that are intermediate between those of metals and nonmetals. The following elements are generally ...7 KB (910 words) - 16:19, 9 November 2022
- Category:Public Organic chemistry is the scientific study of the structures, properties, and methods of syntheses of chemical compounds that are ...8 KB (1,161 words) - 01:13, 18 November 2022
- The chemical compound ammonium nitrate, the nitrate of ammonia with the chemical formula NH4NO3, is a white powder at room temperature and standard ...18 KB (2,699 words) - 07:39, 25 July 2023
- Fritz Haber (December 9, 1868 – January 29, 1934) was a German chemist who received the Nobel Prize in Chemistry in 1918 for developing a method ...12 KB (1,882 words) - 07:04, 15 April 2024
- Hafnium (chemical symbol Hf, atomic number 72) is a lustrous, silvery gray metal. Chemically, it resembles zirconium and is found in zirconium ...10 KB (1,277 words) - 16:40, 21 January 2024
- Fertilizers (also spelled fertilisers) are compounds given to plants to promote growth; they are usually applied either via the soil, for uptake ...33 KB (4,735 words) - 17:28, 26 March 2024
- Choline is a water-soluble organic compound that is classified as an essential nutrient for humans (Higdon and Drake 2008; PDR 2008; Swan and ...15 KB (2,128 words) - 23:57, 13 January 2023
- Bean is a common name for edible plant seeds or seed pods of several members of the Legume family (Fabaceae, formerly Leguminosae) or the various ...19 KB (3,083 words) - 16:15, 14 November 2023
- Henry Cavendish (October 10, 1731 - February 24, 1810) was a British scientist best known for being the first to measure the average density ...8 KB (1,276 words) - 07:10, 22 January 2024
- Environmental engineering is the application of science and engineering principles to protect and enhance the quality of the environment—air ...12 KB (1,649 words) - 19:00, 13 February 2024
- Scuba diving is the act of swimming underwater while using a self-contained breathing apparatus. By carrying a source of compressed air, the ...20 KB (3,196 words) - 02:37, 21 April 2023
- June 9, 2008.) interacts with atmospheric nitrogen-14 to produce carbon-12 and tritium, as follows: C-12 + T -->:{| border="0" ...18 KB (2,638 words) - 16:50, 5 November 2022
- Category:Public number=6 | symbol=C | name=carbon | left=boron | right=nitrogen | above=- | below=Si | color1=#a0ffa0 | color2=black ...21 KB (2,997 words) - 22:12, 25 November 2023
- In biology, detritus is dead organic material, as opposed to living organisms or inorganic matter. However, what specifically is included as ...17 KB (2,559 words) - 08:55, 15 January 2023
- Fluorine (chemical symbol F, atomic number 9) is a nonmetal that belongs to a group of chemical elements known as halogens. Chemically, it is ...13 KB (1,855 words) - 17:47, 28 March 2024
- The development of the periodic table of the elements parallels the development of science and our understanding of the physical universe. It ...15 KB (2,217 words) - 15:59, 25 January 2023
- The word "acid" comes from the Latin acidus meaning "sour." In chemistry, however, the term acid has a more specific meaning. ...16 KB (2,510 words) - 07:38, 14 June 2023
- In human spaceflight, a life support system is a group of devices that allow a human to survive in outer space. Such a system normally supplies ...11 KB (1,632 words) - 01:14, 26 October 2022
- The periodic table of the chemical elements is a tabular display of the chemical elements. It is perhaps the icon of Chemistry and expresses ...13 KB (1,942 words) - 00:40, 24 November 2022
- Antoine-Laurent de Lavoisier (August 26, 1743 – May 8, 1794) was a French nobleman who, along with John Dalton and Jöns Jakob Berzelius, is ...17 KB (2,470 words) - 06:42, 31 July 2023
- A nucleotide is a chemical compound with three components: a nitrogen-containing base, a pentose (five-carbon) sugar (relatively simple carbohydrates ...18 KB (2,589 words) - 10:10, 11 March 2023
- Chemical bond is the term used to describe the linkages between atoms joined together to form molecules or crystals. Chemical bonds are the result ...25 KB (3,936 words) - 14:39, 5 December 2023
- <!-- Submit to get this template or go to :Template:Chembox_simple_organic. --> {|class="infobox" width="175" style ...14 KB (1,990 words) - 00:41, 3 May 2023
- Fractional distillation is a special type of distillation designed to separate a mixture of two or more liquids that have different boiling points ...12 KB (1,803 words) - 06:40, 1 April 2024
- A second problem was that the spin of the Nitrogen-14 atom was 1, in contradiction to the Rutherford prediction of ½. In 1920-1927, Charles ...10 KB (1,458 words) - 17:45, 29 September 2023
- Nitroglycerin (NG)—also known as nitroglycerine, trinitroglycerin, and glyceryl trinitrate—is a heavy, colorless, oily liquid obtained by ...11 KB (1,527 words) - 02:27, 16 November 2022
- quot;) emits radiation and transforms to a nitrogen-14 atom (the "daughter"). This transformation involves quantum probability, so it is ...30 KB (4,559 words) - 22:46, 7 December 2022
- An air bag, also known as an Air Cushion Restraint System (ACRS) or Supplemental Restraint System (SRS), is an automobile safety device that ...35 KB (5,475 words) - 07:00, 16 June 2023
- Submit to get this template or go to Template:Chembox_simple_organic. --> {|class="infobox" width="225" style="float:right; ...5 KB (742 words) - 07:29, 12 January 2024
- An engine is a machine that can convert some form of energy (obtained from a fuel) into useful mechanical power or motion. If the engine produces ...16 KB (2,420 words) - 18:34, 13 February 2024
- A space habitat, also called a space colony, orbital colony, space city, or space settlement, is a space station intended as a permanent settlement ...20 KB (3,078 words) - 19:03, 7 February 2023
- Rocket propellant is the material used by a rocket engine to generate thrust. The most common propellants consist of a fuel and an oxidizer that ...24 KB (3,649 words) - 02:28, 16 December 2022
- Freeze-drying (also known as lyophilization or cryodesiccation) is a dehydration process typically used to preserve a perishable material or ...13 KB (1,930 words) - 10:50, 11 April 2024
- A geyser is a type of hot spring that erupts periodically, ejecting a column of hot water and steam into the air. The name geyser comes from ...16 KB (2,391 words) - 02:41, 6 December 2022
- Category:Public number=2 | symbol=He | name=helium | left=hydrogen | right=lithium | above=- | below=Ne | color1=#c0ffff | color2=green ...32 KB (4,897 words) - 15:19, 25 January 2023
- Ammonia is a chemical compound of nitrogen and hydrogen, with the formula NH3. It is a gas at standard temperature and pressure In this case, ...39 KB (5,803 words) - 07:35, 25 July 2023
- Saccharin is a synthetic organic compound that tastes hundreds of times sweeter than cane sugar (sucrose) and is used as a calorie-free sweetener ...13 KB (1,943 words) - 00:18, 22 August 2022
- A dielectric, or electrical insulator, is a material that is highly resistant to the flow of an electric current. Dielectric materials can be ...14 KB (1,888 words) - 14:27, 29 January 2024
- Dysprosium (chemical symbol Dy, atomic number 66) is a rare earth element that has a metallic, bright silver luster. The term "rare earth ...10 KB (1,193 words) - 17:27, 12 February 2024
- Astrochemistry, representing an overlap of the disciplines of astronomy and chemistry, is the study of chemicals found in outer space, including ...7 KB (940 words) - 18:21, 19 August 2023
- A bleach is a chemical that can remove or lighten the color of an object, often by a process known as oxidation. Common chemical bleaches include ...7 KB (964 words) - 18:12, 31 October 2023
- A lichen is a composite organism composed of a fungus (the mycobiont) in a symbiotic relationship with a photosynthetic partner (the photobiont ...19 KB (2,789 words) - 22:35, 25 October 2022
- Purine is a heterocyclic, aromatic, organic compound, consisting of a pyrimidine ring fused to an imidazole ring. Heterocyclic compounds are ...7 KB (928 words) - 23:49, 2 December 2022
- Uracil is one of the five main nucleobases found in the nucleic acids DNA and RNA. The others are adenine, cytosine, guanine, and thymine. However ...14 KB (1,996 words) - 19:37, 12 November 2022
- Fossil fuels or mineral fuels are hydrocarbon fuels found within the top layer of the Earth’s crust. They range from highly volatile materials ...15 KB (2,136 words) - 06:36, 1 April 2024
- Vitrification is a process of converting a material into a glass-like amorphous solid that is free from any crystalline structure, either by ...7 KB (966 words) - 20:42, 3 May 2023
- A wetland is a transitional environment between permanently aquatic and terrestrial environments that shares characteristics of both environments ...25 KB (3,675 words) - 18:28, 17 April 2023
- Drying is the process of using heat to remove a liquid (such as water) from a material that contains the liquid. The material can be a wet solid ...10 KB (1,629 words) - 22:34, 19 August 2020
- Sewage treatment, or domestic wastewater treatment, is the process of removing contaminants from wastewater and household sewage, both runoff ...40 KB (5,900 words) - 10:11, 26 January 2023
- The term chiral is used to describe an object that is not superposable on its mirror image. Human hands are perhaps the most universally recognized ...24 KB (3,570 words) - 17:06, 10 December 2023
- Category:Public number=8 | symbol=O | name=oxygen | left=nitrogen | right=fluorine | above=- | below=S | color1=#a0ffa0 | color2=green ...23 KB (3,469 words) - 06:02, 18 November 2022
- Pluto, also designated (134340) Pluto or 134340 Pluto, is the second-largest known dwarf planet in the solar system and the tenth largest observed ...42 KB (6,097 words) - 17:02, 26 September 2023
- Marattiopsida Osmundopsida Gleicheniopsida Pteridopsida A fern, or pteridophyte, is any one of a group of plants classified in the Division Pteridophyta ...16 KB (2,291 words) - 17:26, 26 March 2024
- Main sequence is the class name for stars that occupy a continuous distinctive band formed by plotting stellar color versus brightness for a ...39 KB (5,825 words) - 10:55, 9 March 2023
- Food packaging is the enclosing of food to protect it from damage, contamination, spoilage, pest attacks, and tampering, during transport, storage ...8 KB (1,092 words) - 06:17, 1 April 2024
- Molybdenum (chemical symbol Mo, atomic number 42) is a silvery white, soft metal. It has one of the highest melting points of all pure elements ...14 KB (1,925 words) - 19:51, 9 November 2022
- The venus flytrap (Dionaea muscipula) is a carnivorous plant that catches and digests animal prey consisting mostly of insects and arachnids ...15 KB (2,279 words) - 17:48, 3 May 2023
- Ecology or ecological science, is the scientific study of the distribution and abundance of living organisms and how these properties are affected ...38 KB (5,612 words) - 18:02, 12 February 2024
- Glycerol, also known as glycerin or glycerine, is a sugar alcohol. Its formula may be written as C3H8O3. It is a colorless, odorless, viscous ...17 KB (2,494 words) - 18:22, 30 August 2021
- Superconductivity, discovered in 1911 by Heike Kamerlingh Onnes, is a phenomenon occurring in certain materials at extremely low temperatures ...21 KB (3,041 words) - 23:46, 26 February 2023
- The greenhouse effect is the process in which long wave radiation (infrared) emitted by the earth surface is absorbed by atmospheric gases only ...23 KB (3,592 words) - 23:26, 17 February 2023
- Vanadium (chemical symbol V, atomic number 23) is a rare, silver-gray metal. It is found combined in several minerals and is one of the 26 elements ...15 KB (2,022 words) - 14:18, 3 May 2023
- Bismuth (chemical symbol Bi, atomic number 83) is a brittle, white crystalline metal with a pink tinge. It acquires an iridescent oxide tarnish ...14 KB (1,891 words) - 17:59, 31 October 2023
- The Gulf of Mexico is the ninth largest body of water in the world. An ocean basin, it is bounded on the northeast, north, and northwest by the ...19 KB (2,915 words) - 08:28, 8 January 2024
- Ethyl acetate is an organic compound that is an ester derived from the combination of ethanol and acetic acid. Its chemical formula may be written ...8 KB (1,113 words) - 04:36, 22 March 2024
- |- | colspan="6" align="center" | *Boron-10 content may be as low as 19.1% and ashigh as 20.3% in natural samples. Boron-11 ...16 KB (2,239 words) - 19:45, 20 November 2023
- The gas constant (also known as the molar, universal, or ideal gas constant) is a physical constant that is featured in a number of fundamental ...9 KB (1,458 words) - 04:37, 18 April 2024
- Carbon monoxide, with the chemical formula CO, is a colorless, odorless, and tasteless gas. It is the product of the incomplete combustion of ...20 KB (2,871 words) - 19:08, 26 November 2023
- Fire occupies a unique place in nature. It is not matter itself, but it involves the reaction of different types of matter to generate energy ...16 KB (2,510 words) - 19:51, 26 March 2024
- Zeolites are an extremely useful group of minerals characterized by a microporous structure—that is, a structure with minute pores. Chemically ...15 KB (2,158 words) - 05:51, 13 June 2023
- Acetylene (systematic name: ethyne) is a hydrocarbon belonging to the group of alkynes. It is considered to be the simplest of all alkynes as ...14 KB (2,038 words) - 07:36, 14 June 2023
- Sir Humphry Davy, 1st Baronet, FRS (December 17, 1778 – May 29, 1829) was an esteemed British chemist and physicist, who vastly expanded chemical ...12 KB (1,863 words) - 20:56, 9 February 2024
- Air pollution is the human introduction into the atmosphere of chemicals, particulate matter, or biological materials that cause harm or discomfort ...34 KB (4,855 words) - 07:00, 16 June 2023
- Watershed has traditionally designated the dividing line, or drainage divide, between two drainage basins; that is, the ridge of high land or ...9 KB (1,433 words) - 23:19, 3 May 2023
- Activated carbon (also called active carbon, activated charcoal, or activated coal) is a form of carbon that has been processed to make it extremely ...23 KB (3,406 words) - 05:41, 15 June 2023
- The U.S. Environmental Protection Agency (EPA) defines a pesticide as "any substance or mixture of substances intended for preventing, destroying ...27 KB (3,879 words) - 01:03, 24 November 2022
- Steel is a metal alloy whose major component is iron, with carbon content between 0.02 and 1.7 percent by weight. Carbon is the most cost-effective ...29 KB (4,547 words) - 04:40, 28 April 2023
- The Rocky Mountains, often called the Rockies, are a broad mountain range in western North America. The Rocky Mountains stretch more than 3,000 ...17 KB (2,479 words) - 02:29, 16 December 2022
- A chemical equation is a symbolic representation of a chemical reaction, wherein one set of substances, called the reactants, is converted into ...12 KB (1,989 words) - 14:40, 5 December 2023
- Infrared astronomy is the branch of astronomy and astrophysics that studies objects as they would appear in the infrared (IR) region of the electromagnetic ...11 KB (1,589 words) - 19:23, 5 March 2024
- In physics and chemistry, an atomic orbital is a region in which an electron may be found within a single atom. J. Daintith, Oxford Dictionary ...33 KB (5,193 words) - 01:09, 18 November 2022
- Category:Public [[image:Common_clownfish.jpg|thumb|250px|right|Common Clownfish (Amphiprion ocellaris) in their magnificent sea anemone (Heteractis ...33 KB (5,007 words) - 07:43, 24 October 2022
- Distillation is a method of separating chemical substances based on differences in their volatilities. It usually forms part of a larger chemical ...29 KB (4,405 words) - 15:30, 29 January 2024
- A chemical element, often called simply element, is the class of atoms which contain the same number of protons. An older definition refers to ...10 KB (1,624 words) - 14:39, 5 December 2023
- Ribonucleic acid or RNA is a polymer or chain of nucleotide units, each comprising a nitrogenous base (adenine, cytosine, guanine, or uracil ...21 KB (3,210 words) - 21:06, 16 April 2023
- Gas is one of the four major states or phases of matter, along with solid, liquid, and plasma. Each state is characterized by distinct physical ...20 KB (3,107 words) - 04:37, 18 April 2024
- Category:Public {| class="toccolours" border="1" style="float: right; clear: right; margin: 0 0 1em 1em; border-collapse: ...30 KB (4,607 words) - 06:05, 18 November 2022
- Friedrich Wöhler (July 31, 1800 - September 23, 1882) was a German chemist who ushered in a new age of organic chemistry when he demonstrated ...14 KB (2,077 words) - 10:37, 17 October 2022
- In chemistry, esters are organic compounds in which an organic group (symbolized by R' in this article) replaces the hydrogen atom of a ...11 KB (1,427 words) - 21:32, 20 March 2024
- Flour is a finely ground powdery foodstuff obtained by grinding cereal grains or other edible, starchy portions of plants and used chiefly in ...20 KB (3,186 words) - 08:08, 21 May 2021
- Natural gas in the broad sense is a gaseous material consisting primarily of methane and deriving from one of three main types of sources: deeply ...25 KB (3,786 words) - 04:20, 11 March 2023
- From July 25 to September 23, 2001, red rain sporadically fell on the southern Indian state of Kerala. Heavy downpours occurred in which red ...21 KB (3,061 words) - 19:10, 16 April 2023
- Tzitzit or tzitzis (Ashkenazi) (Biblical Hebrew language: ציצת, Modern ציצית) are "fringes" or "tassels" worn by ...20 KB (3,211 words) - 00:42, 3 May 2023
- An aldehyde is an organic compound containing a terminal carbonyl group. This functional group, called an aldehyde group, consists of a carbon ...11 KB (1,651 words) - 05:09, 17 June 2023
- Electronegativity is one of the fundamental concepts for an understanding of chemical bonding. The first modern definition was suggested by Linus ...16 KB (2,171 words) - 15:58, 13 February 2024
- Phosphorus (chemical symbol P, atomic number 15) is a multivalent nonmetal that belongs to the nitrogen group of chemical elements. Given its ...25 KB (3,622 words) - 22:45, 28 March 2023
- Uranus is the seventh planet from the Sun. It is the third largest by diameter and fourth largest by mass. Uranus is similar in composition to ...17 KB (2,530 words) - 13:36, 3 May 2023
- Walnut is the common name for any of the large, deciduous trees comprising the genus Juglans of the flowering plant family Juglandaceae, which ...19 KB (2,858 words) - 22:08, 3 May 2023
- An explosive material is a material that either is chemically or otherwise energetically unstable or produces a sudden expansion of the material ...41 KB (6,258 words) - 23:56, 24 March 2024
- Coal is a black or brownish-black sedimentary rock composed primarily of carbon, along with other assorted substances, including sulfur. It is ...32 KB (4,888 words) - 22:13, 7 January 2024
- Acetylcholine, often abbreviated as ACh, is a small, organic molecule that is a derivative of choline and acetic acid and serves as an important ...16 KB (2,189 words) - 07:34, 14 June 2023
- In physical geography, a dune is a hill of sand formed by eolian (aeolian, or wind-related) processes. Dunes can take different forms and sizes ...19 KB (2,942 words) - 17:21, 12 February 2024
- An electron microscope is a type of microscope that uses electrons to illuminate a specimen and create an enlarged image. Electron microscopes ...20 KB (2,873 words) - 15:58, 13 February 2024
- A magnetosphere is a dynamically varying tear-drop shaped region of plasma comprising magnetic fields and charged particles surrounding a magnetized ...23 KB (3,695 words) - 05:21, 5 November 2022
- X-rays (or Röntgen rays) are a form of electromagnetic radiation with a wavelength in the range of 10 to 0.01 nanometers, corresponding to frequencies ...25 KB (3,822 words) - 14:14, 20 May 2023
- Bromine (chemical symbol Br, atomic number 35) is a nonmetal that belongs to a group of chemical elements known as halogens. It is the only liquid ...10 KB (1,346 words) - 04:33, 22 November 2023
- Ernest Rutherford, 1st Baron Rutherford of Nelson OM PC FRS (August 30, 1871 - October 19, 1937), widely referred to as Lord Rutherford, was ...17 KB (2,514 words) - 19:33, 13 February 2024
- In chemistry, a carbene is a highly reactive organic compound with the general molecular formula "R1R2C:." This formula indicates that ...12 KB (1,686 words) - 07:11, 24 April 2023
- Cycads (division Cycadophyta) are an ancient group of seed plants characterized by a large crown of compound leaves and a stout, erect trunk ...26 KB (3,809 words) - 06:52, 12 January 2024
- Ultraviolet (UV) light is electromagnetic radiation with a wavelength shorter than that of visible light, but longer than soft X-rays. The name ...28 KB (4,293 words) - 11:30, 18 April 2023
- A chemical reaction is a process that leads to the interconversion of chemical substances. [http://goldbook.iupac.org/C01033.html Chemical reaction ...12 KB (1,710 words) - 14:43, 5 December 2023
- Buffer solutions are solutions that resist changes in pH (by resisting changes in hydronium ion and hydroxide ion concentrations) upon addition ...12 KB (1,728 words) - 18:37, 22 November 2023
- The Yangtze River or Chang Jiang ( t=長江 |s=长江|p=Cháng Jiāng ) is the longest river in Asia and the third longest in the world, after ...22 KB (3,191 words) - 00:54, 17 April 2023
- Edward Williams Morley (January 29, 1838 – February 24, 1923) was an American physicist and chemist. He is best known for an experiment in ...11 KB (1,652 words) - 16:28, 9 August 2023
- A thermometer is a device that measures temperature or temperature gradient, using a variety of different principles. The word thermometer is ...25 KB (3,599 words) - 01:20, 19 April 2023
- Buckwheat is the common name for plants in two genera of the dicot family Polygonaceae: The Eurasian genus, Fagopyrum, and the North American ...21 KB (3,013 words) - 17:20, 30 April 2020
- Redox (shorthand for reduction/oxidation reaction) describes all chemical reactions in which atoms have their oxidation number (oxidation state ...12 KB (1,809 words) - 02:49, 8 December 2022
- Category:Public [[Image:Water cycle.png|right|thumb|400px|The movement of water around, over, and through the Earth is called the water cycle.]] ...15 KB (2,199 words) - 23:16, 3 May 2023
- Lanthanum (chemical symbol La, atomic number 57) is a soft, silvery white metallic element. Found in combination with other rare earth elements ...11 KB (1,398 words) - 22:23, 22 October 2022
- Terraforming (literally, "Earth-shaping") of a planet, moon, or other body is the hypothetical process of deliberately modifying its ...32 KB (4,766 words) - 14:58, 30 April 2023
- Greenhouse gases (GHGs) is the name given to a number of gases present in the earth's atmosphere which reduce the loss of heat into space ...34 KB (4,898 words) - 17:16, 16 February 2023
- Liberty Enlightening the World (French: La liberté éclairant le monde), known more commonly as the Statue of Liberty (Statue de la Liberté ...27 KB (4,075 words) - 22:49, 9 May 2023
- Category:Public number=12 | symbol=Mg | name=magnesium | left=sodium | right=aluminium | above=Be | below=Ca | color1=#ffdead | color2=black ...17 KB (2,430 words) - 10:49, 9 March 2023
- Methylene blue (or MB) is a basic aniline dye with the molecular formula C16H18N3SCl. At room temperature, it appears as a solid, odorless, dark ...13 KB (1,911 words) - 16:28, 9 November 2022
- Sustainable development is defined as balancing the protection of the natural environment with the fulfillment of human needs so that these needs ...14 KB (1,869 words) - 00:30, 27 February 2023
- Yttrium (chemical symbol Y, atomic number 39) is a lustrous, silvery metal that is found in most rare-earth minerals. It is relatively stable ...12 KB (1,634 words) - 21:34, 4 June 2023
- Magnetic levitation transport, or maglev, is a form of transportation that suspends, guides and propels vehicles (particularly trains) through ...31 KB (4,504 words) - 05:00, 5 November 2022
- Category:Politics and social sciences Category:Anthropology The history of agriculture is the story of humankind's development and cultivation ...39 KB (5,853 words) - 00:03, 19 November 2020
- A sapphire (from the Latin sapphirus and Greek sappheiros, perhaps derived from the Hebrew word ספּיר, sapir) is a gemstone belonging to ...12 KB (1,728 words) - 03:24, 23 December 2022
- Scandium (chemical symbol Sc, atomic number 21) is a soft, silvery-white metal. Scandium ore occurs in rare minerals from Scandinavia and elsewhere ...12 KB (1,615 words) - 17:06, 25 January 2023
- In common terminology, transition metals (or transition elements) are chemical elements that lie in groups 3 through 12 of the periodic table ...17 KB (2,462 words) - 04:39, 5 November 2022
- Squash (plural squash or squashes) is the common name used for four species in the genus Cucurbita of the gourd family Cucurbitaceae: C. pepo ...13 KB (1,929 words) - 18:11, 14 October 2022
- A volcano is an opening, or rupture, in the Earth's surface or crust, which allows hot, molten rock, ash, and gases to escape from deep ...32 KB (4,841 words) - 20:59, 3 May 2023
- Coral reef is the term for any fully marine, underwater ecosystem with a calcium carbonate foundation produced by the skeletons of living organisms ...54 KB (8,146 words) - 03:01, 8 January 2024
- Hydrogen cyanide is a chemical compound with the formula HCN. It is a colorless, very poisonous, and highly volatile liquid that boils slightly ...12 KB (1,685 words) - 13:19, 4 February 2023
- Barley is any annual cereal grass of the genus Hordeum, and in particular the species Hordeum vulgare. The term also is used for the edible grain ...12 KB (1,885 words) - 08:08, 20 September 2023
- An adhesive is a material that can adhere (stick) to other materials and help attach them together. The state of attachment is known as adhesion ...13 KB (1,970 words) - 05:51, 15 June 2023
- Diatom is the common name for a major group of unicellular or (less commonly) colonial algae comprising the protist taxon Bacillariophyceae ...26 KB (3,706 words) - 11:59, 29 January 2024
- George Washington Carver (c. early 1864 – January 5, 1943) was an African American botanist who dedicated his life to applying science and ...18 KB (2,882 words) - 01:30, 23 November 2022
- Ether is the general name for a class of organic chemical compounds characterized by molecules that contain an ether functional group—an oxygen ...15 KB (2,285 words) - 04:31, 22 March 2024
- Land pollution is the degradation of earth's land surfaces often caused by human activities and its misuse. Haphazard disposal of urban ...12 KB (1,940 words) - 21:14, 22 October 2022
- Space colonization (also called space settlement, space humanization, or space habitation) is the concept of permanent, autonomous (self-sufficient ...37 KB (5,482 words) - 22:47, 5 February 2023
- The Gaia hypothesis is a class of scientific models of the geo-biosphere in which life as a whole fosters and maintains suitable conditions for ...30 KB (4,599 words) - 11:57, 4 December 2023
- Aniline, phenylamine, or aminobenzene is an organic compound with the formula C6H5NH2. It is an organic chemical compound, specifically an aryl ...13 KB (1,817 words) - 06:09, 28 July 2023
- Maize, also known as corn and Indian corn, is any of the diverse cultured forms of the annual cereal grass (family Poaceae) of the species Zea ...30 KB (4,684 words) - 10:55, 9 March 2023
- A transformer is a device that transfers electrical energy from one circuit to another by magnetic coupling without requiring relative motion ...40 KB (5,952 words) - 02:06, 2 May 2023
- Apatite is the name given to a group of phosphate minerals, usually referring to hydroxylapatite (or hydroxyapatite), fluoroapatite (or fluorapatite ...15 KB (2,114 words) - 05:59, 11 August 2023
- <!-- Submit to get this template or go to :Template:Chembox simple organic. --> {|class="infobox" style="float:right;" ...15 KB (2,091 words) - 02:59, 24 November 2022
- Dimethyl sulfoxide (DMSO) is a chemical compound with the formula (CH3)2SO. This colorless liquid is an important polar aprotic solvent that ...12 KB (1,770 words) - 16:50, 22 July 2020
- Strontium (chemical symbol Sr, atomic number 38) is a soft, silvery white metallic element that occurs naturally in the minerals celestite and ...14 KB (1,860 words) - 21:04, 26 February 2023
- Sulfur dioxide (also sulphur dioxide) is the chemical compound with the formula SO2. This important gas is the main product from the combustion ...13 KB (1,988 words) - 21:44, 26 February 2023
- Propane is a three-carbon alkane, normally a gas, but compressible to a liquid that is transportable. It is derived from other petroleum products ...13 KB (1,941 words) - 00:08, 2 December 2022
- Venus is the second-closest planet to the Sun, orbiting it every 224.7 Earth days. After Earth's Moon, it is the brightest object in the ...45 KB (7,026 words) - 17:37, 3 May 2023
- Matter is made of atoms, and atoms are made of electrons and quarks exchanging photons and gluons. Antimatter is made of anti-atoms, and anti ...23 KB (3,458 words) - 06:25, 31 July 2023
- Cosmic rays are energetic particles originating from space that impinge on Earth's atmosphere. Almost 90 percent of all the incoming cosmic ...37 KB (5,720 words) - 08:13, 10 January 2024
- Category:Politics and social sciences Category:Anthropology Agriculture (a term which encompasses farming) is the process of producing food, feed ...27 KB (3,893 words) - 06:48, 16 June 2023
- Titanium (chemical symbol Ti, atomic number 22) is a silvery-white, lustrous metal. Light and strong, it is resistant to corrosion, including ...27 KB (3,874 words) - 03:49, 1 May 2023
- Neptune is the eighth and farthest planet from the Sun in our solar system. It is the fourth largest planet by diameter and the third largest ...30 KB (4,444 words) - 16:20, 11 November 2022
- The incandescent light bulb or incandescent lamp is a source of artificial light that works by incandescence. An electrical current passes through ...44 KB (6,810 words) - 12:43, 4 March 2024
- The soybean, soy bean, or soya bean (Glycine max) [https://www.plantnames.unimelb.edu.au/Sorting/Glycine.html#max Glycine max] Multilingual Multiscript ...46 KB (6,635 words) - 22:34, 28 January 2024
- Diesel, or diesel fuel, is any fuel that is used to operate a diesel engine. Most commonly, it refers to a specific liquid fuel obtained by the ...30 KB (4,446 words) - 14:28, 29 January 2024
- The sea in a general sense refers to the ocean or world ocean, the body of salty water that covers approximately 71 percent of the Earth's ...69 KB (10,326 words) - 23:04, 22 April 2023
- A laser (an acronym for Light Amplification by Stimulated Emission of Radiation) is an electronic-optical device that emits coherent radiation ...41 KB (6,333 words) - 06:55, 4 March 2023
- B. bison B. bonasus B. antiquus extinct B. latifrons extinct B. occidentalis extinct B. priscus extinct Bison are members of the genus Bison of ...15 KB (2,366 words) - 02:50, 8 March 2023
- Viscosity is a measure of the resistance of a fluid to deform under either shear stress or extensional stress. It is commonly perceived as ...36 KB (5,462 words) - 20:38, 3 May 2023
- Maldives, officially the Republic of Maldives, is an island nation consisting of a group of atolls in the Indian Ocean. The country's name ...34 KB (4,966 words) - 06:36, 5 November 2022
- Black powder is the original gunpowder; it was one of the few known propellants and explosives until the middle of the nineteenth century. Since ...14 KB (2,154 words) - 14:28, 8 February 2022
- An automobile (or motor car) is a wheeled passenger vehicle that carries its own motor. Most definitions of the term specify that automobiles ...30 KB (4,553 words) - 07:06, 23 August 2023
- Weathering is the process of disintegration of rocks and soils and the minerals they contain through direct or indirect contact with the atmosphere ...18 KB (2,677 words) - 22:02, 11 June 2020
- |- | colspan="6" align="center" | 6Li content may be as low as 3.75% innatural samples. 7Li would thereforehave a content ...16 KB (2,302 words) - 04:29, 29 October 2022
- Sir Goldsworthy Gurney (1793 - 1875) was a surgeon, chemist, lecturer, consultant, architect, builder, and prototypical British gentleman scientist ...27 KB (4,255 words) - 22:32, 29 January 2023
- A plasma display panel (PDP) is a type of flat panel display often used for large television displays (typically above 37 inches or 940 millimeters ...16 KB (2,366 words) - 20:45, 9 April 2023
- Category:Public [[Image:Retinol.png|thumb|250px|right|Retinol (Vitamin A)]] Vitamins are organic (carbon-containing) nutrients obtained through ...16 KB (2,456 words) - 20:40, 3 May 2023
- Category:Public [[Image:nervoussystem.jpg|thumb|right|200px|Nervous system. Courtesy of 3DScience.com]] As commonly defined, the human body is ...25 KB (3,706 words) - 21:55, 23 December 2020
- The Arctic National Wildlife Refuge is a wildlife refuge in northeastern Alaska. The refuge consists of 19300000|acre|km2 on Alaska's North ...17 KB (2,434 words) - 06:21, 12 August 2023
- Plutonium (chemical symbol Pu, atomic number 94) is a radioactive, metallic chemical element that is part of the actinide series. It is the element ...37 KB (5,382 words) - 08:10, 24 November 2022
- Beryllium (chemical symbol Be, atomic number 4) ranks among the lightest of all known metals. Steel-gray in color, it is strong but brittle. ...16 KB (2,296 words) - 17:26, 29 September 2023
- Category:Politics and social sciences Category:Sociology Category:Lifestyle [[Image:Skyscrapers of Shinjuku 2009 January.jpg|thumb|right|250 px ...41 KB (6,075 words) - 22:26, 10 December 2023
- Adsorption, not to be confused with absorption, is a process by which a gas, liquid, or solute (substance in solution) binds to the surface of ...19 KB (2,837 words) - 06:18, 15 June 2023
- Chongqing ( s=重庆 |t=重慶 |p=Chóngqìng ; Postal map spelling: Chungking; Wade-Giles: Ch'ung-ch'ing) is the largest and most populous ...30 KB (3,987 words) - 17:18, 10 December 2023
- Bryce Canyon National Park is a national park located in southwestern Utah in the United States. Contained within the park is Bryce Canyon. Despite ...23 KB (3,572 words) - 16:49, 22 November 2023
- Particulates, also referred to as particulate matter (PM), aerosols, or fine particles, are tiny particles of solid or liquid suspended in a ...18 KB (2,652 words) - 08:57, 18 November 2022
- "Seven" redirects here. {| class="infobox" style="width: 20em;" |- | colspan="2" align="center" | 7 ...35 KB (5,128 words) - 06:47, 13 June 2023
- The chemical compound formaldehyde (also known as methanal) is a gas with a pungent smell. It is the simplest aldehyde. Its chemical formula ...18 KB (2,445 words) - 06:34, 1 April 2024
- Diamond is the hardest known natural material and the third-hardest known material after aggregated diamond nanorods and ultrahard fullerite ...81 KB (12,332 words) - 10:25, 29 January 2024
- In biology, skin is a flexible organ (group of tissues which perform a specific function) that serves as the outer covering of an animal. As ...18 KB (2,750 words) - 22:09, 12 October 2022
- A charge-coupled device (CCD) is a device (described as an "analog shift register") made up of semiconductors that enables the transmission ...19 KB (2,914 words) - 01:46, 4 December 2023
- Norman Ernest Borlaug (March 25, 1914 – September 12, 2009) was an American agricultural scientist, humanitarian, Nobel laureate, and has been ...46 KB (6,869 words) - 10:00, 11 March 2023
- Antimony (chemical symbol Sb, atomic number 51) is a metalloid with four allotropic forms. The stable form of antimony is a blue-white metal ...17 KB (2,369 words) - 06:33, 31 July 2023
- Asthma is a chronic disease of the respiratory system in which the airway occasionally constricts, becomes inflamed, and is lined with excessive ...39 KB (5,772 words) - 18:20, 19 August 2023
- Joseph Priestley (March 13, 1733 – February 8, 1804) was an English chemist, philosopher, dissenting clergyman, and educator. As an educator ...19 KB (2,782 words) - 00:48, 11 August 2022
- The haloalkanes (also known as halogenoalkanes or alkyl halides) are a group of chemical compounds, consisting of alkanes, such as methane or ...35 KB (5,199 words) - 23:36, 3 August 2023
- The International Astronomical Union (IAU) defines "planet" as a celestial body that, within the solar system,[http://www.iau.org/news/press ...37 KB (5,416 words) - 07:49, 24 November 2022
- Petroleum (Latin Petroleum derived from Greek πέτρα (Latin petra) - rock + έλαιον (Latin oleum) - oil) or crude oil is a naturally ...42 KB (6,126 words) - 14:48, 28 March 2023
- |- | Critical temperature || 1673 K (gray) 24.44 ? 34.76 24.64 553 | 596 | 646 | 706 | 781 | 874 | comment= color1=#cccc99 | color2=black ...21 KB (2,920 words) - 04:00, 15 August 2023
- Rabbit is the common name for small mammals in the family Leporidae of the order Lagomorpha, characterized by long ears and legs, large hind ...28 KB (4,391 words) - 16:17, 7 December 2022
- A star is a massive, luminous ball of plasma that is held together by its own gravity. The nearest star to Earth is the Sun, which is the source ...80 KB (12,078 words) - 15:50, 27 April 2023
- Methanol, also known as methyl alcohol, carbinol, wood alcohol, wood naphtha, or wood spirits, is the simplest alcohol. Its chemical formula ...20 KB (2,894 words) - 16:26, 9 November 2022
- High-intensity discharge (HID) lamps include several types of electrical lamps: mercury-vapor, metal halide (also HQI), high-pressure sodium ...36 KB (5,574 words) - 23:52, 12 February 2022
- In the context of spaceflight, a satellite is an object that has been placed into orbit by human endeavor. Such objects are sometimes called ...35 KB (4,993 words) - 00:11, 8 January 2024
- The Crab Nebula (catalog designations M1, NGC 1952, Taurus A) is a supernova remnant and pulsar wind nebula in the constellation of Taurus. Located ...23 KB (3,450 words) - 06:15, 11 January 2024
- Sulfur or sulphur (see spelling below) (chemical symbol S, atomic number 16) is a yellow crystalline solid at ordinary temperatures and pressures ...22 KB (3,269 words) - 21:43, 26 February 2023
- Benzene (also known as benzol or [6]-annulene) is a colorless, flammable, sweet-smelling liquid. It is a natural constituent of crude oil but ...21 KB (3,162 words) - 10:44, 28 September 2023
- Nutrition is the combination of elements consumed by a person that nourishes the body, enabling it to sustain in an efficient manner all of its ...56 KB (8,181 words) - 01:22, 17 November 2022
- Biochemistry (once known as physiological chemistry or biological chemistry) is the study of chemicals and chemical processes that occur in living ...24 KB (3,603 words) - 23:47, 11 January 2023
- In electronics, a diode is a component that allows an electric current to flow in one direction but blocks it in the opposite direction. Thus ...25 KB (3,818 words) - 17:12, 22 July 2020
- The State of Florida is located in the southeastern region of the United States. Most of the state is a large peninsula bordered by the Gulf ...40 KB (5,623 words) - 17:42, 28 March 2024
- Carbon nanotubes (CNTs) are allotropes of carbon with molecular structures that are tubular in shape, having diameters on the order of a few ...62 KB (8,806 words) - 19:09, 26 November 2023
- Uranium (chemical symbol U, atomic number 92) is a silvery metallic chemical element in the actinide series of the periodic table. The heaviest ...48 KB (6,867 words) - 15:33, 16 January 2024
- Category:Politics and social sciences Category:Anthropology [[Image:crematorium.arp.jpg|thumb|right|250px|The crematorium at Haycombe Cemetery ...24 KB (3,818 words) - 00:19, 15 January 2023
- Planetary habitability is the measure of a planet's or a natural satellite's potential to develop and sustain life. As the existence ...54 KB (8,172 words) - 20:44, 9 April 2023
- The diesel engine is an internal combustion engine that uses compression ignition, in which fuel ignites as it is injected into air in the combustion ...60 KB (9,401 words) - 14:31, 29 January 2024
- The Manhattan Project was the project undertaken during World War II by the United States, the United Kingdom and Canada to develop the first ...52 KB (8,009 words) - 11:05, 9 March 2023
- Category:Public [[Image:VacuumToCopier.jpg|thumb|right|250px|Plastics have become an indispensable part of our technological society.]] ...34 KB (5,272 words) - 07:59, 24 November 2022
- Graphene is a one-atom-thick planar sheet of carbon atoms that are densely packed in a honeycomb crystal lattice. It can be thought of as an ...43 KB (6,272 words) - 12:18, 24 January 2023
- An aurora is a natural display of glowing light in the night sky, mainly in zones around the magnetic north and south poles of the Earth and ...25 KB (3,925 words) - 17:52, 22 August 2023
- Carbon dioxide is a chemical compound that is found as a gas in the Earth's atmosphere. It consists of simple molecules, each of which has ...34 KB (5,140 words) - 19:07, 26 November 2023
- Category:Politics and social sciences Category:Anthropology Category:Ethnic group :This article is about the indigenous inhabitants of the Americas ...47 KB (6,955 words) - 19:42, 4 March 2024
- The Baltic Sea is a semi-enclosed inland sea located in Northern Europe. Considered an arm of the Atlantic Ocean, it is connected to it via the ...25 KB (3,903 words) - 03:20, 17 September 2023
- Positron emission tomography (PET) is a nuclear medicine imaging technique that produces a three-dimensional image or map of functional processes ...26 KB (3,835 words) - 05:46, 30 November 2022
- The Solar system (or solar system) Capitalization of the name varies. The IAU, the authoritative body regarding astronomical nomenclature, specifies ...60 KB (9,448 words) - 15:09, 27 April 2023
- Polychlorinated biphenyls (PCBs) are a class of organic compounds with 1 to 10 chlorine atoms attached to biphenyl and a general chemical formula ...24 KB (3,627 words) - 08:41, 24 November 2022
- Pneumatic tires are used on all types of vehicles, from cars to earthmovers to airplanes. Tires enable vehicle performance by providing for traction ...28 KB (4,401 words) - 03:48, 1 May 2023
- Water purification is the process of removing contaminants from a raw water source. The goal is to produce water for a specific purpose with ...30 KB (4,619 words) - 23:17, 3 May 2023
- Refrigeration is the process of removing heat from an enclosed space, or from a substance, and rejecting it elsewhere for the primary purpose ...28 KB (4,251 words) - 19:11, 16 April 2023
- Nuclear fission is the splitting of the nucleus of an atom into parts (lighter nuclei), often producing photons (in the form of gamma rays), ...31 KB (4,827 words) - 10:09, 11 March 2023
- Soil is the mixture of minerals, organic matter, liquids, and gases covering most of the Earth's land surface and that serves, or has the ...27 KB (4,112 words) - 15:59, 14 October 2022
- Category:Politics and social sciences Category:Sociology Category:Anthropology [[Image:Camuccini Lamentation over the Corpse of Socrates.jpg|thumb ...47 KB (7,217 words) - 08:56, 28 January 2024
- Category:Politics and social sciences Category:Anthropology Category:Paranormal [[Image:Glieseupdated.jpg|thumb|235px|right|Artist's impression ...28 KB (4,265 words) - 00:00, 25 March 2024
- New Guinea, located just 100 miles north of Australia, is the world's second largest island after Greenland, having become separated from ...29 KB (4,293 words) - 09:18, 11 March 2023
- Sulfuric acid (or sulphuric acid in British English) is a strong mineral acid with the chemical formula H2SO4. It is soluble in water at all ...31 KB (4,778 words) - 21:53, 26 February 2023
- Fullerenes are a family of carbon allotropes (other allotropes of carbon are graphite and diamond) consisting of molecules composed entirely ...28 KB (4,196 words) - 07:18, 15 April 2024
- Preservation, in library and information science, is activity concerned with maintaining or restoring access to artifacts, documents and records ...34 KB (4,751 words) - 00:35, 12 April 2023
- Nuclear power is a type of nuclear technology involving the controlled use of nuclear reactions to release energy for work, including propulsion ...49 KB (7,262 words) - 10:10, 11 March 2023
- Mammoth Cave National Park is a U.S. National Park in central Kentucky. It encompasses portions of Mammoth Cave, the world’s longest recorded ...40 KB (6,197 words) - 02:27, 19 December 2022
- Lima is the capital and largest city, as well as the commercial and industrial center, of Peru. It is located in the valleys of the Chillón ...28 KB (4,030 words) - 08:43, 8 March 2023
- A lake (from the Latin word lacus) is an inland body of water, not part of the ocean, that is larger and deeper than a pond and is localized ...31 KB (4,835 words) - 05:36, 4 March 2023
- A semiconductor is a solid whose electrical conductivity can be controlled over a wide range, either permanently or dynamically. Semiconductors ...37 KB (5,657 words) - 17:50, 25 January 2023
- Isaac Asimov (January 2, 1920 – April 6, 1992, (ˈaɪzək ˈæzɪˌmɑv) , originally Исаак Озимов but now transcribed into Russian ...53 KB (8,012 words) - 13:28, 6 March 2024
- NASA's Space Shuttle, officially called the Space Transportation System (STS), was the United States government's manned launch vehicle ...43 KB (6,281 words) - 15:42, 4 February 2023
- Phoenix is the largest and most populous city in the state of Arizona, and is the only state capital with a population of more than a million ...30 KB (4,458 words) - 22:43, 28 March 2023
- The Sun is the star at the center of the Earth's solar system. The Earth and other matter (including other planets, asteroids, comets, ...52 KB (7,953 words) - 22:23, 26 February 2023
- Trance is a state of semi-consciousness in which a person is not self-aware and is either altogether unresponsive to external stimuli (but nevertheless ...33 KB (4,676 words) - 00:39, 2 May 2023
- Category:Public [[Image:Grizzly_Giant_Mariposa_Grove.jpg|right|thumb|250px|The Giant Sequoia (Sequoiadendron giganteum) is the largest tree in ...33 KB (4,675 words) - 12:40, 18 April 2023
- Lightning is an atmospheric discharge of electricity, which typically occurs during thunderstorms, and sometimes during volcanic eruptions or ...51 KB (7,568 words) - 08:38, 8 March 2023
- In natural philosophy, atomism is the theory that all the objects in the universe are composed of very small, invisible, indestructible building ...37 KB (5,618 words) - 06:58, 21 August 2023
- Category:Public {| class="toccolours" border="1" style="float: right; clear: right; margin: 0 0 1em 1em; border-collapse: ...31 KB (4,564 words) - 09:39, 22 April 2023
- Welding is a fabrication process that joins materials, usually metals or thermoplastics, by causing coalescence. It is often done by melting ...41 KB (6,376 words) - 23:28, 3 May 2023
- Alternative energy is a term for any nontraditional energy form, source, or technology differing from the current popular forms, sources, or ...73 KB (10,796 words) - 08:37, 23 July 2023
- A fuel cell is an electrochemical device that converts chemical energy into electricity. It is made up of two electrodes, each coated with a ...40 KB (5,810 words) - 07:10, 15 April 2024
- Apollo 11 was the spaceflight that first landed humans on the Moon. Commander Neil Armstrong and lunar module pilot Buzz Aldrin formed the American ...97 KB (14,466 words) - 15:45, 11 August 2023
- A nuclear reactor is a device in which nuclear chain reactions are initiated, controlled, and sustained at a steady rate, as opposed to a nuclear ...45 KB (6,704 words) - 00:40, 17 November 2022
- A submarine is a specialized watercraft that can operate underwater at very high pressures beyond the range of unaided human survivability. Submarines ...65 KB (10,100 words) - 13:44, 28 April 2023
- A vacuum is a volume of space that is essentially empty of matter, so that gaseous pressure is much less than standard atmospheric pressure. ...37 KB (5,624 words) - 20:38, 21 April 2020
- A fluorescent lamp is a gas-discharge lamp that uses electricity to excite mercury vapor in argon or neon gas, resulting in a plasma that produces ...43 KB (6,681 words) - 17:46, 28 March 2024
- Category:Public Earth is the third planet in the solar system in terms of distance from the Sun, and the fifth in order of size. It is the largest ...38 KB (5,592 words) - 17:34, 12 February 2024
- Mexico City ( link=no|Ciudad de México , In Peninsular Spanish, the spelling variant Méjico, is also used alongside México. According to the ...184 KB (26,093 words) - 20:54, 1 February 2024
- Yosemite National Park (pronounced "Yo-SEM-it-ee"), is a U.S. national park largely in Mariposa and Tuolumne counties in the state ...40 KB (6,041 words) - 21:33, 4 June 2023
- Mars is the fourth planet from the Sun in our solar system and is named after the Roman god of war. It is also known as the "Red Planet ...47 KB (7,206 words) - 16:13, 6 November 2022
- Gasoline (also called gas, petrol, or petrogasoline) is a petroleum-derived liquid mixture consisting mostly of aliphatic hydrocarbons, enhanced ...47 KB (6,891 words) - 04:38, 18 April 2024
- In biology, evidence of evolution or evidence for evolution is generally any of an available body of facts or information that supports the theory ...79 KB (11,963 words) - 23:52, 24 March 2024
- Climate Change, in its broadest sense, is any change in the state of the climate or climate system that persists for an extended time period ...86 KB (12,789 words) - 20:17, 1 June 2023
- Water is a common chemical substance that is essential for all known forms of life. Laurence D. Barron, Lutz Hecht, and Gary Wilson, [https://pubs ...56 KB (8,647 words) - 23:15, 3 May 2023
- Nature, broadly defined, refers to the physical (natural, material) world at all levels (subatomic to cosmic), especially when regarded as distinct ...63 KB (9,360 words) - 04:22, 11 March 2023
