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In this water pollution activity, learners create pond water cultures and investigate the effects of adding chemicals or natural nutrients.

In this chemistry activity, learners make indicator solution from red cabbage. Then, learners test everyday foods and household substances using the cabbage juice indicator.

In this activity (page 1 of the PDF under SciGirls Activity: Bogs), learners will test cups full of potting soil, sand, and sphagnum moss to see which earth material is able to soak up the most water.

Learners explore water adhesion and learn about why water molecules are more strongly attracted to some substances than others.

Water treatment on a large scale enables the supply of clean drinking water to communities.