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photon particle of electromagnetic (light) energy transcription in biology, transcription is the prodiction or RNA using DNA as a template potential energy stored energy available to do work ign... eous rocks when pre- existing rocks are heated until they completely malt and then are allowed to cool, igneous rock is created friction a force that resists the movement of two objects rubbing against each other isotopea a variation of an element in which there are a different number of neutrons in the necleus absorance the amount of light eergy transferred to an object; dark objects tend to take in more energy then light objects, beacuse light objects tend to reflect energy subduction zones regions where two geologic plates in the earth overlap, forcing one plate under the other (subduction) amino acid the building blocks of proteins kinetic energy energy of motion, in direct proportion with either the mass or velocity of an object precipitate a solid that froms from a liquid mixture photosynthesis the process by which plants use light to first form chemical energy and then use that chemical energy to produce sugars from carbon dioxide subatomic particles the parts of an atom pH a scale from 0-14 measuring how acid or basic a substance is; a pH< 7 is acidic, a pH> 7 is basic, and pH= 7 is neutralenzyme molecules, typically protiens, that increase the speed of cemical reactions in the body viscosity the resistance to flow; a measure of how thick a liquid is altitude distance above sea level sedimentary rock rocks produced by small particles, deposited by wind or water, then fused by pressure and heat into solid rock bedrock a layer of rock that lies beneath soil, dirt, or gravel corrosion the breakup of material due to chemical reactions diffusion movement of substances from areas with high concentrations to areas with low concentrations permeableallows the movement of certain substances across a barrier serum a plasma substance containing all blood protiens not used in clotting. it is neither a blood cell, nor a clotting factor metaphoric rock rocks produced by applying pressure and heat to an existing rock in order to change its form without completely melting it buoyancy a property of a liquid that supports a submerged object with a force equal to the weight of the liquid that is displaced by the object polymers large molecules that consist of collections of smaller units phenotype an observable trait of an individual that is determined by his or her genetics chlorophyll a green protein within plants that converts light into usable energy chromosomes large DNA molecules that contain the encoded genetic information of a cell greenhouse gasses gases in the stmosphere that keep light energy near the surface, keeping the planet warmer climate the average weather of a region over a long period of time conduction the measure of a material's ability to carry an electrical current [Show More]

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