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In this activity, learners explore how engineers have developed big wheels or Ferris wheels.

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

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.