Continuing our watery theme . . . '"Water, water everywhere but not a drop to drink"; investigating how to get clean water from dirty ‘pond water'.
This activity could be used in any lessons involving water supply. People have always needed to find clean water to drink. It is a vital factor in where people can live.
Many other 'watery' Earthlearningideas can be found in our 'Earth as a system' category.
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