PS CH 3 Vocab S1,3
  • 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) liquid
B) solid
C) gas
  • 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) potential energy
B) chemical energy
C) kinetic energy
D) relative energy
  • 5. a reversible physical change that occurs when a substance changes from one state of matter to another
A) malleable change
B) phase change
C) flammable change
D) ductile change
  • 6. a description of a change in which a system absorbs energy from its surroundings
A) hypothermic
B) endothermic
C) exothermic
D) pyrothermic
  • 7. the energy of a substance must absorb in order to change from a solid to a liquid
A) heat of pressure
B) heat of vaporization
C) heat of phase
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) vaporization
B) condensation
C) deposition
D) sublimation
E) melting
  • 10. the energy a substance must absorb in order to change from a liquid to a gas
A) heat of condensation
B) heat of vaporization
C) heat of boiling
D) heat of fusion
  • 11. the process that changes a substance from a liquid to a gas at temperatures below the substance's boiling point
A) sublimation
B) evaporation
C) deposition
D) boiling
E) freezing
  • 12. the pressure caused by the collisions of particles in a vapor with the walls of a container
A) colloidal pressure
B) vapor pressure
C) molecular pressure
D) particle pressure
  • 13. the phase change in which a substances changes from a gas or vapor to a liquid
A) freezing
B) condensation
C) evaporation
D) deposition
  • 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) evaporation
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) deposition
B) condensation
C) evaporation
D) sublimation
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