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

In this activity, learners explore how engineers design devices that can detect the presence of pollutants in the air.

In this activity, learners explore moving air and the physics of lift and drag by constructing homemade wind tunnels.

As a model of acid rain, learners water plants with three different solutions: water only, vinegar only, vinegar-water mixture.

In this activity, learners construct a simple air pressure launcher for paper rockets.

In this activity, learners explore how pneumatics and hydraulics could be used to produce movement in a robotic arm.