GGNZ Can you Undo Water Pollution?

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Added by the GGNZ Programme Team
Discover if it is possible to remove all the pollutants from water. Use different tools to trap and remove different pollutants.


Bucket, water, tea leaves, household rubbish, oil, tongs, strainer
cotton wool, sheep wool, panty hose

Add the household rubbish, tea leaves and oil to the bucket of water.
Use the tongs and strainer to remove the large pollutants.
Stuff pantyhose legs, one with cotton wool and one with sheep wool - and see which one is best at cleaning the oil from the water.


  • STEM
  • Water Pollution

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