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In this activity, learners create a battery from fruit. This activity helps learners explore electricity, electrochemistry, and series circuits as well as the process of scientific inquiry.

In this activity (26th on the page), learners construct an easy-to-build device and test motor learning.

In this activity, learners explore conservation of energy by experimenting with a solar cell light device.

In this activity, learners explore how engineers incorporate biometric technologies into products as well as the challenges of engineers who must weigh privacy, security and other issues when designin