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ACT Testprep Science

TermDefinition
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