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Learners observe a simple balloon model of an electrostatic precipitator. These devices are used for pollutant recovery in cleaning industrial air pollution.

In this meteorology activity, learners construct simple devices to measure the direction and speed of wind.

This lesson challenges groups of learners to design and construct a wind generator with the most electrical output.

In this activity, learners build a hovercraft using a paper plate, cup, and simple motor.

Make a one-string "guitar" by stringing a cup with some fishing line. You amplify the plucking of the string by placing a piezo contact microphone and mini battery powered amplifier inside the cup.

In this activity related to Newton's Laws of Motion, learners build a boat powered by a propeller in the air.