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### 13 Cards in this Set

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 Any interference in which waves combine so that the resulting wave is bigger than the original waves. (377) What is Constructive Interference? When two waves line up so their crests overlap, they add together to make a larger wave. The transfer of energy by the movement of fluids with different temperatures. What is Convection? (p. 332) Energy is carried away by a heated gas or liquid that expands and rises above cooler, denser liquid. The flow of a fluid due to heated expansion followed by cooling and contraction. What is a convection current? (p. 333) Proper heating & cooling of a building requires these currents. A ration equal to one that expresses the same quantity in two different ways. What is the Conversion Factor? (P. 97) Both parts of this ratio are always equal. A device that transfers energy as heat out of an object to lower its temperature. What is a Cooling System? (p. 343) Energy is transfered from one substance to another, leaving the 1st with less energy and thus a lower temperature. The center of a planetary body, such as Earth. What is the Core? (p. 559) Earth has 3 major layers Crust, Mantle and ______. The change in the direction of an object's path due to Earth's rotation. What is the Coriolis Effect? (p. 611) This rotation of Earth on its axis effects the direction of wind currents, A bond formed when atoms share one or more pairs of electrons. (p.19) What is a Covalent Bond? (p. 119) These bonds can be solids, liquids, or gases and often form between nonmetal atoms. The minimum mass of a fissionable isotope in which a nuclear chain reaction can occur. What is Critical Mass? (p. 233) This happens when a nuclear bomb is detonated pushing the uranium together and causes a fission reaction and sustained chain reaction. A substance made of atoms of more than one element bound together. What is a Compound? (p. 39) Ex. Nylon which is made of carbon, hydrogen, nitrogen, and oxygen atoms, with strands linking thousands of these units together. A substance that either contains hydroxide ions, OH, or reacts with water to form hydroxide ions. What is a base? (201) I am slippery, taste bitter, conduct electricity and cause indicators to change color, red litmus to blue. The quantity of solute dissolved in a given quantity of solution. What is a Concentration? (196) Different ratios of solute:solvent will make different __?___. It can be Dilute or _?__. A mixture of very tiny particles of pure substances that are dispersed in another substance but do not settle out of the substance. What is a Colloid? (187) Ex. Desert Gelatin, Particles of solid protein spread throughout water; much smaller than those in suspensions and don't settle out.