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How Do We Use Water?

Author(s): Nancy P. Moreno, PhD, Barbara Z. Tharp, MS, and Judith Dresden, MS.

The Science of Water Usage

This is an opportune time to integrate math into the activity. For instance, you might have students calculate the number of gallons used each week for bathing. Other relevant and interesting facts include the following. 

  • Each person needs 8–10 cups of water (from a variety of sources) each day for health.
  • Each American uses about 183 gallons of water each day for cooking, washing, flushing and watering.
  • At home, most water is used in the bathroom.
  • 4,000 gallons of water are needed to produce one bushel of corn.
  • 39,000 gallons of water are needed to produce an automobile.

Discuss ways to conserve or use less water.


Funded by the following grant(s)

National Institute of Environmental Health Sciences, NIH

National Institute of Environmental Health Sciences, NIH

The Environment as a Context for Opportunities in Schools
Grant Numbers: 5R25ES010698, R25ES06932


Houston Endowment Inc.

Houston Endowment Inc.

Foundations for the Future: Capitalizing on Technology to Promote Equity, Access and Quality in Elementary Science Education