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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.

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.