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It's a Gas, Man
Source Institutions
In this activity, learners discover if carbon dioxide has an effect on temperature.
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Weather Stations: Phase Change
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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.
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The Rain Man
Source Institutions
In this activity, learners observe the hydrologic cycle in action as water evaporates and condenses to form rain right before their eyes.