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

Students design and create their own air-powered rockets, in this hands-on activity.

In this design challenge activity, learners make a balloon hover at eye level for five seconds, and then make it move by creating air currents.

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

Learners will build a lung model to understand how their lungs and diaphragm work to make them breathe.