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P2 SCIENCE-3

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  • Mention two things that sink in water.
    sand, marble
  • What things need to be filled with air to work?
    .....
  • Why is soil important for plants?
    It holds the roots of the plants and keeps them in place.
  • Some things mix well with water. What happens when sugar is mixed with water?
    The sugar disappears in the water.
  • Some rocks are big but some are small. How are the rocks different?
    They are different in sizes.
  • Mention 3 objects made of rocks.
    ....
  • Why do swimmers need to leave their heads up the water when swimming?
    To breathe / To take in air.
  • What do people need air for?
    For breathing
  • What is the air that we breathe in?
    Oxygen
  • Some rocks are smooth but some are rough. How are the rocks different?
    They are different in textures.
  • How does the water taste when salt is mixed with water?
    The water becomes salty.
  • Mention two things that disappear in water.
    Salt and sugar.
  • Some rocks are soft but some are hard. How are the rocks different?
    They are different in hardness.
  • Mention two things that can change the colour of water when mixed together.
    Honey, syrup, food colouring