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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 7 of the PDF (Plants—The Green Machines), learners examine the effects that light and air have on green plants.

The "Rocket Reactions" activity is an exciting way to learn about how materials interact, behave, and change.

In this environmental health activity, learners grow and observe bread mold and other kinds of common fungi over the course of 3-7 days.

In this simple activity, learners see the production of a gas, which visibly fills up a balloon placed over the neck of a bottle.