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Learners color and cut out a spiral-shaped snake. When they hang their snake over a radiator, the snake spins.

Learners tour their school or home looking for sources of indoor air pollutants (IAPs).

In this activity, learners observe what happens when they give a light source like a neon glow lamp a "Bronx Cheer." The lights appear to wiggle back and forth and flicker when learners blow air throu