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How does matter change?

  • Game Code: 1544728
  •  English    13     Public
    How does matter change?
  •   Study   Slideshow
  • Matter can change in ways that do not affect the type of matter. What are these changes called?
    Physical changes
  •  10
  • True or false: When you sharpen a pencil, the pencil goes through a chemical change.
    False
  •  15
  • True or false: A chemical reaction is the process in which new substances are formed.
    True
  •  10
  • list 2 examples of physical change.
    ...
  •  15
  • List 2 examples of chemical change.
    ...
  •  15
  • What happens to most matter when the temperature goes up?
    They expand
  •  15
  • When water freezes, does it expand or contracts in size?
    It expands
  •  15
  • True or false: During physical and chemical change, the total mass of the matter before and after the change remains the same.
    True
  •  15
  • Cooking an egg is which king of change? Physical or chemical?
    Chemical change
  •  15
  • Boiling water is which king of change? Physical or chemical?
    Physical change
  •  15
  • Dissolving sugar in water is which king of change? Physical or chemical?
    Physical
  •  15
  • True or false: The total mass of the water and sugar separately and combined is the same.
    True
  •  20
  • How quickly a change occurs is called?
    The rate of change
  •  15
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