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ACT Test Prep scienc

science reasoning vocabulary

TermDefinition
2_propanol Isopropyl alcohol is a chemical compound with the molecular formula C₃H₈O or C₃H₇OH. It is a colorless, flammable chemical compound with a strong odor.
theta temperature (especially in degrees Celsius).
absorbance a measure of the capacity of a substance to absorb light of a specified wavelength. It is equal to the logarithm of the reciprocal of the transmittance.
beta particles a fast-moving electron emitted by radioactive decay of substances. (The emission of beta particles was originally regarded as a ray.).
alpha decay is a type of radioactive decay in which an atomic nucleus emits an alpha particle and thereby transforms (or 'decays') into an atom with a mass number 4 less and atomic number 2 less.
capillary any of the fine branching blood vessels that form a network between the arterioles and venules.
charged particles In physics, a charged particle is a particle with an electric charge. It may be an ion, such as a molecule or atom with a surplus or deficit of electrons relative to protons
colorimeter an instrument for measuring the intensity of color.
biotic index a scale for showing the quality of an environment by indicating the types of organisms present in it. It is often used to assess the quality of water in rivers.
crown fire a forest fire that spreads from treetop to treetop.
calcareous ooze calcium carbonate mud formed from the hard parts (tests) of the bodies of free-floating organisms
CaCl2 Calcium chloride, CaCl₂, is a salt of calcium and chlorine. It behaves as a typical ionic halide, and is solid at room temperature. Common applications include brine for refrigeration plants, ice and dust control on roads, and desiccation.
CaCo3 Calcium carbonate is a chemical compound with the formula CaCO₃. It is a common substance found in rocks in all parts of the world, and is the main component of shells of marine organisms, snails, coal balls, pearls, and eggshells.
Denature destroy the characteristic properties of (a protein or other biological macromolecule) by heat, acidity, or other effects that disrupt its molecular conformation.
ecopark EcoPark located in Tuen Mun Area 38, on west side of Hong Kong, is similar to an industrial park exclusively for waste recycling and environmental engineering
climactic having to do with the weather conditions prevailing in an area in general or over a long period.
erosion the gradual destruction of tissue or tooth enamel by physical or chemical action.
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.
flask a narrow-necked glass container, typically conical or spherical, used in a laboratory to hold reagents or samples.
gamma relating to gamma rays.
genus a principal taxonomic category that ranks above species and below family, and is denoted by a capitalized Latin name, e.g., Leo.
ice shelf a floating sheet of ice permanently attached to a landmass.
mesopause the boundary in the earth's atmosphere between the mesosphere and the thermosphere, at which the temperature stops decreasing with increasing height and begins to increase.
manometer an instrument for measuring the pressure acting on a column of fluid, especially one with a U-shaped tube of liquid in which a difference in the pressures acting in the two arms of the tube causes the liquid to reach different heights in the two arms.
pinnate (especially of an invertebrate animal) having branches, tentacles, etc., on each side of an axis, like the vanes of a feather.
pore water water contained in pores in soil or rock.
sluggishly markedly slow in movement, flow, or growth.
supersaturated increase the concentration of (a solution) beyond saturation point.
tropopause the interface between the troposphere and the stratosphere.
zoning divide into or assign to zones, in particular.
Created by: MadisonGordon
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