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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.

In this activity, learners build a figure that moves and "comes to life" when they pull its string.

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.

In this activity, learners will explore nature by creating food for birds. Learners will develop fine motor skills and engage in nature observation through this activity.

In this activity, learners construct bug models that "jitter" all over the table with just a battery, motor, and counterweight.

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.

Somatic Cell Nuclear Transfer (SCNT) is a cloning method that involves transferring a nucleus from a somatic cell of the individual to be cloned to an enucleated egg.

In this activity, learners build a bird that flies in place with help from a motor, wire, and some straws.

In this activity with several mini experiments, learners explore the chemistry that helps scientists learn about the environment and how they can help save it.