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

Learners observe and discuss a simple model of a wet scrubber, a device for cleaning industrial air pollution.

In this activity, learners receive a labeled plastic film canister containing a material representing a pollutant (i.e. pencil shavings = a beaver's wood chips).

In this activity, learners discover how landfills affect the natural environment.