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5 Written Questions

5 Matching Questions

  1. Melting
  2. What is happening to the molecules during melting?
  3. What are the particles doing during condensation?
  4. What are the molecules of a solid doing?
  5. freezing
  1. a the particles in a gas lose enough thermal energy to form a liquid
  2. b change from a liquid to a solid
  3. c the molecules are closely locked in position and can only vibrate
  4. d the particles in the solid vibrate so fast that they break free from their fixed positions
  5. e change in state from a solid to a liquid

5 Multiple Choice Questions

  1. the change of state from a gas to a liquid
  2. particles of a solid do not pass through the liquid state as they form gas
  3. when vaporization only takes place on the surface of a liquid
  4. the temperature at which a liquid boils
  5. occurs when a liquid changes to gas below its surface as well as at the surface

5 True/False Questions

  1. Surface tensionthe result of an inward pull among the molecules of a liquid that brings the molecules of a surface together

          

  2. Viscositya liquids resistance to flowing

          

  3. melting pointcharacteristic temperature of melting

          

  4. Fluida substance that flows

          

  5. What is happening to the particles during freezing?the particles in the solid vibrate so fast that they break free from their fixed positions

          

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