- 1. the state of matter in which materials have a definite shape and a definite volume
A) liquid
B) gas
C) solid
- 2. the state of matter in which a material has a definite volume but not a definite shape
A) gas
B) solid
C) liquid
- 3. the state of matter in which a material has neither a definite shape nor a definite volume
A) solid
B) gas
C) liquid
- 4. the energy an object has due to its motion
A) chemical energy
B) relative energy
C) potential energy
D) kinetic energy
- 5. a reversible physical change that occurs when a substance changes from one state of matter to another
A) flammable change
B) malleable change
C) ductile change
D) phase change
- 6. a description of a change in which a system absorbs energy from its surroundings
A) exothermic
B) hypothermic
C) endothermic
D) pyrothermic
- 7. the energy of a substance must absorb in order to change from a solid to a liquid
A) heat of vaporization
B) heat of phase
C) heat of pressure
D) heat of fusion
- 8. a description of change in which a system releases energy to its surroundings
A) hyperthermic
B) endothermic
C) mesothermic
D) exothermic
- 9. the phase change in which a substance changes from a liquid into a gas
A) sublimation
B) melting
C) vaporization
D) condensation
E) deposition
- 10. the energy a substance must absorb in order to change from a liquid to a gas
A) heat of condensation
B) heat of fusion
C) heat of vaporization
D) heat of boiling
- 11. the process that changes a substance from a liquid to a gas at temperatures below the substance's boiling point
A) freezing
B) deposition
C) boiling
D) evaporation
E) sublimation
- 12. the pressure caused by the collisions of particles in a vapor with the walls of a container
A) molecular pressure
B) vapor pressure
C) particle pressure
D) colloidal pressure
- 13. the phase change in which a substances changes from a gas or vapor to a liquid
A) condensation
B) deposition
C) evaporation
D) freezing
- 14. the phase change in which a substance changes from a solid to a gas or vapor without changing to a liquid first
A) deposition
B) evaporation
C) sublimation
D) boiling
- 15. the phase change in which gas or vapor changes directly into a solid without first changing into a liquid
A) evaporation
B) condensation
C) deposition
D) sublimation
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