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5 Written questions

5 Matching questions

  1. evaporation
  2. Gas
  3. What are molecules of a gas doing?
  4. boiling point
  5. What are the molecules of a solid doing?
  1. a the molecules are closely locked in position and can only vibrate
  2. b atoms and molecules are free to move independently, colliding frequently
  3. c when vaporization only takes place on the surface of a liquid
  4. d the temperature at which a liquid boils
  5. e has no definite shape or definite volume

5 Multiple choice questions

  1. the particles in the liquid move so slowly that then begin to take fixed positions
  2. where particles are loosely connected and can collide with and move past each other
  3. particles that are not arranged in a set pattern
  4. occurs when a liquid changes to gas below its surface as well as at the surface
  5. solids that are made up of crystals

5 True/False questions

  1. melting pointthe temperature at which a liquid boils

          

  2. Meltingoccurs when a liquid changes to gas below its surface as well as at the surface

          

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

          

  4. What are the particles doing during condensation?the particles in a gas lose enough thermal energy to form a liquid

          

  5. condensationchange from a liquid to a gas

          

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