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Science Vocab Sec2.4

Science Section 2-4 Vocab

QuestionAnswer
thermal energy the total energy of a substance's particles due to their movement or vibration
chemical energy A form of energy that comes from chemical bonds
law for conservation of energy The principal that states that the total amount of energy remains the same during physical or chemical changes.
melting The change of state from a solid to a liquid
freezing The change of state from liquid to solid.
vaporization The change of state from liquid to a gas
evaporation The process that occurs when vaporization occurs only at the surface of the liquid
boiling The process that occurs when vaporization takes place inside a liquid as well as on the surface
condensation The change of state from gas to liquid
sublimation The change of state from solid directly to a gas without passing through the liquid state
chemical reaction A process in which substances undergo chemical changes, forming new substances with different properties.
Created by: Katrina1212
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