this is a great site to show the amount of water on Earth.
This activity was a great visual to represent the amount of water on Earth. We began with 1L of water to represent all the water on Earth's surface. Then, students measured out 28mL to represent fresh water. Students were asked what type of water remained in the 1L bottle and determined that it was salt water.
From the 28mL, students divided into 3 smaller medicine type measuring cups. The first represents frozen water. This measures 22mL. The next amount is fresh liquid water. That measures 6mL. The final amount, one drop of water, represents the water vapor.
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