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Exploring Materials: Thin Films
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In this activity, learners create a colorful bookmark using a super thin layer of nail polish on water. Learners discover that a thin film creates iridescent, rainbow colors.

Biomimicry Mash-Up
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In this design challenge activity, learners explore the concept of biomimicry by using a natural organism's special features to design a new human object.

Linkages
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This design challenge is an open-ended exploration of linkages, a group of parts connected by hinges, and the types of motion they can create.