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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.

Scientists use enormous wind tunnels to test the design of planes, helicopters, even the Space Shuttle.

This outdoor activity/field trip requires a place where minnows swim, such as a local pond or brook.

Learners trace, cut out and fly a boomerang, outdoors or in a large indoor space.

In this outdoor activity and game, learners explore how animals adapt for survival through coloration, markings and camouflage.

In this activity, learners construct models of plants that are adapted to living under specific environmental conditions.

In this engineering/design/arts and crafts activity, learners design and build "platforms" or "bridges" that can hold weight, and test which glue makes the strongest structure.

No glue is needed for learners of any age to become marshmallow architects or engineers.

In this outdoor activity, learners design devices that will catch prey or gather plants.

In this outdoor activity, learners race small boats, made of cork, balsa wood, popsicle sticks etc., to investigate the rate and direction of currents in a stream or creek.

In this highly physical outdoor activity, learners construct and compare experimental trail sections to select the best trail-construction technique for their site.

In this activity, learners observe fly behavior and then build a flytrap.