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In this chemistry activity, learners use spaghetti to explore density and chemical reactions.

In this simple activity, learners see the production of a gas, which visibly fills up a balloon placed over the neck of a bottle.

Ocean acidification is a problem that humans will have to deal with as we release more and more carbon dioxide into the atmosphere.

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

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