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Stocks GreenPrimary School


In this lesson, you will be investigating different materials and their properties. You will be exploring which materials float and which materials sink, then you will be making comparisons while looking at their properties.

Do all hard materials sink?

Do all soft materials float?


You will need for this lesson:

  •  a piece of paper and a pencil.

If you would like to take part in the experiment you will need:

  • a coin or small metal object
  • a cotton ball or pad
  • stones
  • a pencil and a bowl of water.