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In this activity, learners make their own heat waves in an aquarium.

In this activity about light and refraction, learners make a lens and magnifying glass by filling a bowl with water.

This activity is about how you form mental images of your body's position in space, independent of vision. Can you take a sip of water from a cup with your eyes closed?

In this activity, learners use simple materials to create giant bubbles.

In this activity, learners burn a peanut, which produces a flame that can be used to boil away water and count the calories contained in the peanut.

In this optics activity, learners examine how a transparent material such as glass or water can actually reflect light better than any mirror.