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

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.

Yes, you can weigh your car by figuring out your wheel's tire pressure combined with the "tire's footprint." You'll need someone with a car, driver's license, and safety in mind.

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

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