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ACT Testprep Science
| Term | Definition |
|---|---|
| 2-butanone | Butanone, also known as methyl ethyl ketone or MEK, is an organic compound with the formula CH₃CCH₂CH₃. This colorless liquid ketone has a sharp, sweet odor reminiscent of butterscotch and acetone. |
| 2-propanol | Is a chemical compound with the molecular formula C₃H₈O or C₃H₇OH. It is a colorless, flammable chemical compound with a strong odor. |
| Ammonium Nitrate | It has the chemical formula NH₄NO₃. It is a white crystalline solid which is highly soluble in water. It is predominantly used in agriculture as a high-nitrogen fertilizer. |
| Beta particles | Beta particles are high-energy, high-speed electrons or positrons emitted by certain types of radioactive nuclei such as potassium-40. |
| Capillary | Fine branching blood vessels that form a network between the arterioles and venules. |
| Crown fire | A forest fire that advances with great speed jumping from crown to crown ahead of the ground fire forest fire - an uncontrolled fire in a wooded area |
| Denature | Destroy the characteristic properties of (a protein or other biological macromolecule) by heat, acidity, or other effects that disrupt its molecular conformation. |
| Ethyl Acetate | Ethyl acetate is the organic compound with the formula CH₃-COO-CH₂-CH₃. This colorless liquid has a characteristic sweet smell and is used in glues, nail polish removers, decaffeinating tea and coffee, and cigarettes. |
| Exclusion | A class of things that have common characteristics and that can be divided into subordinate kinds. |
| Ice shelf | An ice shelf is a thick floating platform of ice that forms where a glacier or ice sheet flows down to a coastline and onto the ocean surface. Ice shelves are only found in Antarctica, Greenland and Canada. |
| Inorganic | Not consisting of or deriving from living matter. |
| Lithium chloride | Lithium chloride is a chemical salt compound with the formula LiCl. |
| Manometer | A 'manometer' is an instrument that uses a column of liquid to measure pressure, although the term is often used nowadays to mean any pressure measuring instrument. |
| Meiosis | Is a special type of cell division necessary for sexual reproduction which occurs in eukaryotes, including animals, plants, and fungi. |
| Mesopause | Is the temperature minimum at the boundary between the mesosphere and the thermosphere atmospheric regions. |
| Milli-bar | The bar is a metric (but not SI) unit of pressure |
| Montane | Montane ecology is the branch of ecology that studies life systems on mountains or other high elevation regions on the Earth. |
| Aperture | Is a hole or an opening through which light travels |
| Osmosis | Osmosis is the spontaneous net movement of solvent molecules through a partially permeable membrane into a region of higher solute concentration |
| Paleozoic | Meaning "ancient life" is the earliest of three geologic eras of the Phanerozoic Eon |
| Peat | A brown, soil-like material characteristic of boggy, acid ground, consisting of partly decomposed vegetable matter. |
| Pinnate | (Of a compound leaf) having leaflets arranged on either side of the stem, typically in pairs opposite each other. |
| Plume | A long, soft feather or arrangement of feathers used by a bird for display or worn by a person for ornament. |
| Plutonium | Plutonium is a transuranic radioactive chemical element with symbol Pu and atomic number 94. It is an actinide metal of silvery-gray appearance that tarnishes when exposed to air, and forms a dull coating when oxidized |
| Polymer | Is a large molecule, or macromolecule, composed of many repeated subunits. |
| Polyrhythm | Simultaneous use of two or more conflicting rhythms, that are not readily perceived as deriving from one another, or as simple manifestations of the same meter |
| Polystyrene | Polystyrene is a synthetic aromatic polymer made from the monomer styrene, a liquid petrochemical. |
| Pore Water | Is the water filling the spaces between grains of sediment. |
| Projectile | A missile designed to be fired from a rocket or gun. |
| Prophase | Is a stage of mitosis in which the chromatin condenses into double rod-shaped structures called chromosomes in which the chromatin becomes visible. |
Created by:
laurenmeyers
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