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Science Vocab Sec2.4
Science Section 2-4 Vocab
Question | Answer |
---|---|
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. |