- 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) solid B) liquid C) gas
- 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) chemical energy B) relative energy C) kinetic energy D) potential energy
- 5. a reversible physical change that occurs when a substance changes from one state of matter to another
A) phase change B) malleable change C) flammable change D) ductile change
- 6. a description of a change in which a system absorbs energy from its surroundings
A) endothermic B) hypothermic C) pyrothermic D) exothermic
- 7. the energy of a substance must absorb in order to change from a solid to a liquid
A) heat of fusion B) heat of phase 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) hyperthermic C) mesothermic D) exothermic
- 9. the phase change in which a substance changes from a liquid into a gas
A) deposition B) sublimation C) melting 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) sublimation B) deposition C) freezing D) boiling E) evaporation
- 12. the pressure caused by the collisions of particles in a vapor with the walls of a container
A) particle pressure B) colloidal pressure C) molecular pressure D) vapor pressure
- 13. the phase change in which a substances changes from a gas or vapor to a liquid
A) deposition B) evaporation C) freezing D) condensation
- 14. the phase change in which a substance changes from a solid to a gas or vapor without changing to a liquid first
A) sublimation B) evaporation C) boiling D) deposition
- 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) sublimation D) deposition
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