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In this activity, learners explore how ordinary marshmallows expand when heated in a microwave.

In this activity, learners investigate the effect of heat on a reaction.

In this activity, learners explore atoms as the smallest building blocks of matter. With adult help, learners start by dividing play dough in half, over and over again.

In this activity (located on page 2), learners will construct tiny model geysers out of film canisters, warm water, and antacid seltzer tablets.

In two separate bags, learners mix water with Epsom salts and detergent.

Learners design their own experiment to compare how well cocoa mix dissolves in cold and hot water. They will see that cocoa mix dissolves much better in hot water. Adult supervision recommended.