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In this activity, learners measure the amount of carbon dioxide in a carbonated drink.

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

In this activity, learners sublimate dry ice and then taste the carbon dioxide gas.

In this activity, learners build models of comets, using edible materials, to learn about comets' structure.

In this activity, learners conduct a controlled experiment to examine which brand of soda makes the best (highest) soda geyser.

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