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In this activity, learners discover what happens when they crush wintergreen-flavored candies in a very dark room.

In this activity, learners make optical fibers out of strips of gelatin.

In this activity, learners create a "mini sky" in a glass of water in a dark room.

In this quick activity, learners observe how the added sugar in a can of soda affects its density and thus, its ability to float in water.

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