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In this activity, learners explore trebuchet design. Teams of learners construct trebuchets from everyday materials.

This lesson focuses on surface area and how the shape of sugar crystals may differ as they are grown from sugars of different coarseness.

In this activity, learners explore how engineers have met the challenge of keeping foods, liquids, and other items cool.

This lesson focuses on how nanotechnology has impacted our society and how engineers have learned to explore the world at the nanoscale.