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In this chemistry challenge, learners discover that many chemical reactions involve heat loss or gain.

Learners investigate signs of a chemical reaction when they mix vinegar and baking soda. In addition to a gas being produced, learners also notice the temperature decreases.

In this activity, learners conduct three experiments to examine temperature, the different stages of the water cycle, and how convection creates wind.

"What's in the Water" lets participants use tools to solve the mystery- what chemicals and compounds are in a sample of water?