- 1. the state of matter in which materials have a definite shape and a definite volume
A) liquid
B) solid
C) gas
- 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) liquid
C) gas
- 4. the energy an object has due to its motion
A) kinetic energy
B) chemical energy
C) relative energy
D) potential energy
- 5. a reversible physical change that occurs when a substance changes from one state of matter to another
A) ductile change
B) phase change
C) flammable change
D) malleable change
- 6. a description of a change in which a system absorbs energy from its surroundings
A) pyrothermic
B) endothermic
C) hypothermic
D) exothermic
- 7. the energy of a substance must absorb in order to change from a solid to a liquid
A) heat of phase
B) heat of vaporization
C) heat of fusion
D) heat of pressure
- 8. a description of change in which a system releases energy to its surroundings
A) mesothermic
B) endothermic
C) hyperthermic
D) exothermic
- 9. the phase change in which a substance changes from a liquid into a gas
A) melting
B) sublimation
C) deposition
D) condensation
E) vaporization
- 10. the energy a substance must absorb in order to change from a liquid to a gas
A) heat of vaporization
B) heat of boiling
C) heat of fusion
D) heat of condensation
- 11. the process that changes a substance from a liquid to a gas at temperatures below the substance's boiling point
A) deposition
B) boiling
C) evaporation
D) freezing
E) sublimation
- 12. the pressure caused by the collisions of particles in a vapor with the walls of a container
A) colloidal pressure
B) particle pressure
C) vapor pressure
D) molecular pressure
- 13. the phase change in which a substances changes from a gas or vapor to a liquid
A) deposition
B) freezing
C) condensation
D) evaporation
- 14. the phase change in which a substance changes from a solid to a gas or vapor without changing to a liquid first
A) boiling
B) deposition
C) sublimation
D) evaporation
- 15. the phase change in which gas or vapor changes directly into a solid without first changing into a liquid
A) condensation
B) evaporation
C) sublimation
D) deposition
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