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Learners construct an electricity-generating wind turbine out of a plastic bottle.

In this activity, learners explore how wind energy can be generated on both a large and small scale.

In this activity, learners explore how various energy sources can be used to cause a turbine to rotate.

In this activity, learners are challenged to design and construct a windmill to harness the power of wind.

In this activity, learners build small animated toys that move.

In this activity, learners explore the history, design and motion of spinning tops. Learners work in teams of "engineers" to design and build their own tops out of everyday items.

In this activity, learners build helicopters and launchers using wooden dowels and scrap paper. Use this activity to explore rotational motion and kinetic and potential energy.

In this physics activity, learners construct a small-scale version of a classic carnival game.

In this activity, learners build an old-fashioned paddle boat out of simple materials.

Learners build a wind turbine and test it to see how much energy is created.

In this 7-10 day investigation, learners develop an understanding of waves and tides and their motion through discussion, demonstration, and hands-on activities.

In this exploratory activity, learners experiment, observe and determine how various toys change from one form of energy to another.

Learners will build and experiment with their own windmills made from simple household materials.

In this activity, learners explore how watermills have helped harness energy from water through the ages.

In this engineering activity, learners will get acquainted with the basics of wind energy and power production by fabricating and testing various blade designs for table-top windmills constructed from

In this activity, learners design, build and test wind turbines. Learners go through the design process and use the scientific method to test important blade variables.

In this activity, learners build a special rolling can that returns back to you when you push it forward. Use this activity to demonstrate the transfer of energy between kinetic and potential energy.

In this activity, learners build unique yo-yos, which spin round and round without moving up and down.

In this activity, learners explore how two cylinders that look the same may roll down a ramp at different rates.

In this activity, learners build styrofoam boats powered by twisted rubber bands.