- 1. the state of matter in which materials have a definite shape and a definite volume
A) solid B) liquid C) gas
- 2. the state of matter in which a material has a definite volume but not a definite shape
A) gas B) liquid C) solid
- 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) relative energy B) potential energy C) chemical energy D) kinetic energy
- 5. a reversible physical change that occurs when a substance changes from one state of matter to another
A) phase change B) flammable change C) malleable change D) ductile change
- 6. a description of a change in which a system absorbs energy from its surroundings
A) hypothermic B) pyrothermic C) endothermic 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 fusion C) heat of pressure D) heat of vaporization
- 8. a description of change in which a system releases energy to its surroundings
A) endothermic B) exothermic C) mesothermic D) hyperthermic
- 9. the phase change in which a substance changes from a liquid into a gas
A) deposition B) vaporization C) melting D) condensation E) sublimation
- 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) evaporation C) deposition D) boiling 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) freezing C) deposition 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) evaporation B) boiling C) sublimation D) deposition
- 15. the phase change in which gas or vapor changes directly into a solid without first changing into a liquid
A) sublimation B) deposition C) evaporation D) condensation
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