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Melting and Solidifying

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  • Ice starts to melt when it ........................ energy.
    gains / gain
  • What causes the liquid to solidify?
    Liquid solidifies when being cooled.
  • What happened to the particles when it gains more energy?
    The particles move faster and further apart.
  • What is freezing?
    A process where a liquid changes into a solid.
  • When can solid change its state to liquid?
    Solid change its state to liquid by heating them/heat is added.
  • What is melting?
    A process where a solid changes into a liquid.
  • What happened to the particles when it loses energy?
    The particles move slower and closer together.
  • Water starts to freeze when it .....................energy.
    loses / lose / lessen
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