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In this optics activity, learners examine how polarized light can reveal stress patterns in clear plastic.

In this long-term activity, learners make a home for a colorful community of microorganisms.

In this activity, learners investigate the speed of chemical reactions with light sticks. Learners discover that reactions can be sped up or slowed down due to temperature changes.

In this activity, learners use crayons to draw conclusions about rocks and the rock cycle.

In this activity, learners build a simple qualitative conductivity tester with a battery, bulb and foil.

In this activity, learners build scaled-down structures and cantilevers in a series of "building out" challenges with bamboo skewers and tape.

In this activity, learners can create five-layer density columns by employing one of three (or all) methods.

In this activity, learners eat a snack and make a model of the plumbing system of a volcano.

In this math activity related to light, learners explore why a light, such as a candle or a streetlight, looks dimmer the farther away from it we get.

In this activity, learners use gelatin as a lens to investigate the properties of laser light.