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The water cycle is critical not only to weather, but to life on earth. Rain is necessary for the survival of plants and humans. Condensation is necessary for cloud formation. Evaporation is necessary to cooling and keeping a good balance of water vapor in the air.
âThe Water Cycleâ Activity 1. Pass out cups half full with water to the students. 2. Tell the students that when we think of the water cycle, we often think of bodies of water on the surface of the Earth, such as lakes, oceans, rivers, and streams. Water from these surfaces enters the water cycle upon evaporation. Evaporation occurs when the water is changed into a gas called water vapor. When the water vapor cools, it condenses to form clouds. 3. Have the âOceansâ and âRiversâ pour their water into the âCloudâ cups. 4. Tell students that plants also release water into the air in the form of water vapor by transpiration.