Changes of State QUIZ NOTES

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Chap. 2 Sec. 3.notebook
December 16, 2016
Chapter 2 The Three States of Matter
Section 3 Changes of State
Date: _______ Quiz Date: _________
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Chap. 2 Sec. 3.notebook
December 16, 2016
Sublimation
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2
Chap. 2 Sec. 3.notebook
December 16, 2016
Endothermic : A change in which energy is gained by a substance as it changes state.
Exothermic: A change in which energy is removed from a substance as it changes state.
3
Chap. 2 Sec. 3.notebook
December 16, 2016
*Evaporation occurs at the surface of a liquid.
*Boiling changes a liquid to a gas because heat is added throughout the liquid. The liquid’s bubbles, as it boils, are created by vapor pressure.
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