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Learners build a filter from old soda bottles and dirt. They create polluted water, and pour it through their filter to clean it.

In this fun hands-on activity, learners whip up a batch of cyber-dough (play dough) using math for measurements.

In this activity, learners build a "pneumatic trough," a laboratory apparatus used for collecting pure gas samples over water.

Learners design their own experiment to investigate how pollution diffuses through ground material.

In this crafty chemistry activity (on page 2 of the PDF), learners make their own paper from used paper they may have otherwise thrown away.