Discuss which solids can be separated from liquid using a sieve and which need the finer filter paper. Explain that some solids dissolve in liquids and cannot then be separated by sieving or filtering. Children investigate materials to use as filters.

Suitable for Y4 pupils.

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Last updated Sep 4, 2015, created Aug 17, 2010
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1 Review

  • 3

    A good lesson with clear directions. Some good resources but some are only of use if you have gone through the whole unit.

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