How Much Water Do Humans Need?
Water Cycles Through Our Bodies
Under normal conditions, our bodies take in and release balanced amounts of water each day (about 3,000 mL in an average adult). Ask students, How much water do you think enters the body in food and liquid each day? Encourage them to record their predictions.
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The Environment as a Context for Opportunities in Schools
Grant Numbers: 5R25ES010698, R25ES06932
Foundations for the Future: Capitalizing on Technology to Promote Equity, Access and Quality in Elementary Science Education