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What is our world made of?

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  • How does water turn from liquid into gas?
    By boiling
  • What happens with water when it is cold?
    It freezes / changes to ice
  • True or false: Water can turn into a solid and into a gas.
    True
  • What does water turn into when you boil it?
    Steam
  • When do things change from one state to another?
    When we make them hot or cold
  • What is a characteristic of solids?
    We can see and feel solids
  • Which are the three states we can find in our world?
    solid, liquid, gas
  • Which one can we NOT hold in our hands? Solid, liquid or gas?
    Gas
  • Liquids can be thick or ....
    thin
  • What happens to snow when it heats up?
    It melts / changes into water
  • True or false: A chair is a solid.
    True
  • When does water change to ice?
    When it is cold.
  • True or false: Ice is a liquid
    False
  • What is a characteristic of gas?
    We can't see it.
  • Give an example of a gas
    e.g. air
  • What is a characteristic of liquids?
    Liquids flow.
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