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In this activity, learners investigate and compare the rate of drying in different conditions.

In this activity, dry ice and other items are used to construct a demonstration model of a comet that illustrates the comet nucleus, coma, and tails.

In this activity, learners explore properties of water and watch evaporation happen by "painting" with water in the sun.

In this weather-related activity, learners make a portable cloud in a bottle.