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Straining Out the Dirt
Learners take on the role of environmental engineers as they design water filters.
Using Solar Energy
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In this activity, learners discover how solar energy can be used to heat water.
Cleaning Water with Dirt
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In this activity on page 7 of the PDF (Water in Our World), learners make their own water treatment systems for cleaning water.
Water Treatment
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Water treatment on a large scale enables the supply of clean drinking water to communities.