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In this activity, learners examine baking powder, a combination of three powders: baking soda, cream of tartar, and cornstarch.

Using indirect methods, learners determine the shape and size of a piece of carpet hidden under a piece of plywood.

In this activity about water's cohesive and adhesive properties and why water molecules are attracted to each other, learners test if objects repel or absorb water.

This activity (on pages 15-23) combines interactive role-playing and graphing to introduce learners to the health affects of pollen.