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In this activity, learners make a yeast-air balloon to get a better idea of what yeast can do. Learners discover that the purpose of leaveners like yeast is to produce the gas that makes bread rise.

In this activity, learners make film canister rocket ships. A fin pattern is glued onto the outside of the canister, and fuel (water and half an antacid tablet) is mixed inside the canister.

In this activity, learners investigate the properties of graphene and graphite.

In this activity, learners imagine what the world might look like if we could build an elevator to space!

In this activity, learners find out what happens when they cover leaves with pieces of black construction paper. This activity shows learners that plants need sunlight to survive.

In this activity, learners test what happens when they put baking power on different frozen liquids.

This online interactive has three activities in the NanoLab (press the upper right button): Build, Zoom, and Transform.

In this activity/demo about piezoelectricity, learners discover how some crystals produce electricity when squeezed.

Learn about chemical reactions by making a Bubble Bomb, a plastic bag you can pop with the power of fizz.

Heat makes some materials expand, and it makes others shrink.

This is a highly visual demonstration that illustrates both the effects of density and chemical reactions.