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In this engineering design activity, learners will design, test, and build a “haunting machine” to solve a Sherlockian mystery.

Students design and build their own parachutes in this hands-on engineering project.

In this engineering challenge, learners design and build a crane out of cardboard to see how heavy a load it can lift.

In this two-part activity, learners work in pairs to examine the four basic stages of a turbine engine.

Learners use red cabbage juice and pH indicator paper to test the acidity and basicity of household materials. The activity links this concept of acids and bases to acid rain and other pollutants.

Working in groups, learners model the continuous destruction and creation of ozone (O3) molecules, which occur in the ozone layer.

In this activity, learners design a bicycle helmet. Participants will explore the design of bicycle helmets to gain an appreciation for the role that helmet layers play protecting the head.