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

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

This is an activity about acid-base reactions using eggs and vinegar. Learners place eggs inside a container of vinegar and leave to soak overnight.

In this activity, learners make a yeast-air balloon to get a better idea of what yeast can do. Learners discover that the purpose of leaveners like yeast is to produce the gas that makes bread rise.