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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.

In this activity (on page 8), learners model how marble statues and buildings are affected by acid rain.

In this activity, learners discover if carbon dioxide has an effect on temperature.

This activity teaches combustion as the interaction of a fuel source and oxygen.

In this activity, learners find out what happens when they cover leaves with pieces of black construction paper. This activity shows learners that plants need sunlight to survive.

In this activity, learners act out the flow of blood in the human body! A great way to get learners up and moving while learning about the circulatory system.