Look at these two sponges. One feels light. One feels heavy and drippy. What do you think happened to the drippy one?
Today we will feel things that are dry — no water on them. Then we will make them wet. What do you think will change?
When it is your group’s turn at the water tray, feel the paper, sponge and cloth while they are dry. Then dip each one. What changes? How does it look and feel now?
Come back to the carpet. Hold up something you made wet. Tell us one thing that changed.
Look at these two bowls. One still has ice. One is water that was ice. What can you see? What do you think happened because our room is warm?
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