1. Place the mug or small cup in the center of the bowl. Fill the bowl with water about 2/3 of the way up the cup (do not put water inside the cup).
2. Cover the bowl with plastic wrap and either tie it with string or place a large rubber band around it to secure the plastic wrap.
3. Place it outside in a sunny area for a few hours.
4. After a few hours observe what happens to the plastic wrap and see if there is water inside the cup.

Guide Questions

1. What did you observe from the plastic wrap?
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2. Where did the water on the plastic wrap come from?
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3. What made the water particles move up from under the plastic cover? What process is involved?
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4. What process is demonstrated - when the water drops were too heavy and fell back down to the water in the bowl or mug?
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