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Through discussion and hands-on experimentation, learners examine the geological (ancient) carbon cycle.

Learners design and create musical instruments from common objects; their challenge is to create an instrument that can make three different tones.

Learners participate in a variety of activities modeling different disabilities.

In this activity, learners are invited to imagine the park of their dreams!

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.

Learners build particulate matter collectors--devices that collect samples of visible particulates present in polluted air.

Learners develop awareness and understanding of the daily air quality using the Air Quality Index (AQI) listed in the newspaper or online.

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

Learners develop an understanding of air pressure in two different activities.

Learners build devices from rubber bands to test for invisible air pollutants.

In this activity, learners model directed evolution by making paper fly. Learners construct and fly paper airplanes.