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In this physics activity, challenge learners to lift a book with just air using a plastic bag and a straw. This activity demonstrates compressed air and forces.

In this challenge, learners make a helium balloon hover in one spot and then move it through an obstacle course using air currents.

Students design and build their own parachutes in this hands-on engineering project.

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 design challenge activity, learners use two helium-filled balloons to build a blimp that can travel in a straight path across the room.

In this activity, learners make plates levitate! Learners build "hovercrafts" using simple materials to explore friction and motion.

In this activity, learners construct paper airplanes that twist and turn.

In this design challenge activity, learners use a balloon and other simple materials to design an air-powered rocket that can hit a distant target.

In this design challenge activity, learners build a shock-absorbing system that will protect two “astronauts” when they land.