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Learners use red cabbage juice and pH indicator paper to test the acidity and basicity of household materials. The activity links this concept of acids and bases to acid rain and other pollutants.

In this activity, learners make different shapes that hold exactly one mole of gas (air).

Working in groups, learners model the continuous destruction and creation of ozone (O3) molecules, which occur in the ozone layer.

Build a car that runs on air. Using household materials, experiment with the power of air to create thrust powerful enough to move a homemade car.