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

In this activity, learners make different shapes that hold exactly one mole of gas (air).

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 fun and, at times, hilarious force and motion activity, learners will use household objects to build a crazy contraption and see how far they can get a tennis ball to move.

This activity explores the basic workings of a siphon, which is the core technology that makes toilets work.