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Learners cut and fold a paper helicopter from the template in this PDF. They practice twirling the helicopter and observe what happens as they modify their tries.

Learners use a commercially available toy to experiment with density. They fill a chamber in the toy submarine with baking powder and release it into a tank of water.

Create airplanes from straws and geometric shapes. Test them out to see how far they can fly, or how accurately they can be aimed.

In this activity, learners are challenged to create a parachute using easily sourced materials in order to transport a LEGO figure safely to the ground.

Learners design, build, and test models of "dragon boats" made from up to three milk cartons.

In this activity, learners engineer a paper helicopter that spins to the ground when dropped.

In this activity, learners build water-propelled engines from soft drink cans.

In this activity, learners are challenged to design a wind-powered car using only a handful of household materials.

In this activity, learners will create a model rocket out of an inflated balloon attached to a straw on a taught string.

Experiment with force and pressure by building a balloon rocket. When launched, the balloon will run a track wherever you place the string.