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In this activity, learners observe the water cycle in action! Water vapor in a tumbler condenses on chilled aluminum foil — producing the liquid form of water familiar to us as rain and dew.

In this activity about phase change and condensation, learners boil water in an empty pop bottle in the microwave.

In this game, learners are volcanoes that must complete several steps to erupt. Starting at home plate, learners draw cards until they have enough points to move to first base.

In this activity, learners explore Boyle's Law and discover that water will boil at room temperature if its pressure is lowered.