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In this design challenge activity, learners design and build a circuit: an "electric highway" that connects a battery and buzzer at least three feet apart using four types of materials.

This activity (on page 3 of the PDF under GPS: Body Electricity Activity) is a full inquiry investigation into conductivity.

This lesson focuses on graphene and its electrical properties and applications.

In this design challenge activity, learners build a car that uses a battery-operated motor to "drive" at least ten feet.