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In this activity related to indoor air pollution, learners build take-home dust catchers with wax paper and petroleum jelly.

In this activity (on page 8), learners model how marble statues and buildings are affected by acid rain.

In this activity (on pages 29-35), learners examine water pollution and filtration.

In this design challenge, learners design a storm drain cover that catches litter to protect waterways to learn about how local actions can have system-level effects.