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In this activity, learners explore how the power of the sun can be harnessed to heat and cool a building.

In this activity, learners test the rate of ripening fruit and vegetables and use a chemical to inhibit the ripening process.

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 explore how rescue devices are designed to aid professionals during emergency situations.

In this activity, learners explore sports engineering and advanced materials development.

In this activity (on pages 30-36), learners simulate a dig for ancient pollen, to experience how paleobotanists study fossilized pollen in rocks to learn about early geological and climatological even

In this outdoor activity, learners plan a simple foot path and create an environmental impact study of the natural area where the path would be.