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In this activity, learners explore the human influences on the carbon cycle and examine how fossil fuels release carbon.

This fun activity uses simple materials such as milk cartons and mirrors to introduce the ideas of optics and visual perception.

In this activity, learners model directed evolution by making paper fly. Learners construct and fly paper airplanes.

In this activity, learners explore how engineering has impacted the development of bridges over time, including innovative designs and the challenge of creating bridges that become landmarks for a cit

This activity teaches combustion as the interaction of a fuel source and oxygen.