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Earth ’ s Water Cycle for Elementary School Students

Global Precipitation Measurement Mission Developed by the GPM Education and Public Outreach Team NASA Goddard Space Flight Center. Earth ’ s Water Cycle for Elementary School Students. Guiding Questions. The Big Picture: Why is it important to measure rain and snow around the globe?

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Earth ’ s Water Cycle for Elementary School Students

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  1. Global Precipitation Measurement Mission Developed by the GPM Education and Public Outreach Team NASA Goddard Space Flight Center Earth’s Water Cycle for Elementary School Students

  2. Guiding Questions The Big Picture: Why is it important to measure rain and snow around the globe? Earth’s Water: How much of Earth’s water is freshwater? Freshwater versus Saltwater: Which of these do we need for our survival? The Water Cycle: How does water move through the “water cycle? Precipitation: Where do rain and snow come from? Are these made up of freshwater or saltwater? GPM: How will the GPM mission measure precipitation all over the world? NASA and Earth Science: NASA is helping us learn about our home planet!

  3. ENGAGE

  4. Solid? Liquid? Gas?

  5. Water on Earth

  6. Water for Survival Why do we need water to meet our needs?

  7. How much water is on Earth’s surface?

  8. Saltwater versus Freshwater

  9. Water on Earth

  10. Where is our Freshwater?

  11. The Big Picture The Freshwater Connection Link to GPM movie

  12. How do we use freshwater? In addition to home use, fresh water is used for transportation, agriculture, heating and cooling, industry, livestock, and many other purposes. That one percent of water is primarily used in eight different ways, or categories: • Domestic. Residential home indoor and outdoor use, such as drinking, cleaning, and watering lawns • Public supply. Public and commercial buildings, such as schools and restaurants • Irrigation. Watering systems for farms that grow food

  13. Freshwater Usage • Livestock. Watering systems for animals on ranches and farms • Aquaculture- Watering systems for fish farms and hatcheries • Industrial -Water used for manufacturing products, including food, paper, and petroleum products • Mining- Water used for extracting natural resources such as metals, minerals, natural gas, and oil • Thermoelectric- Water used for generating electricity using steam-driven generators

  14. Estimated Water Use in US Thermoelectric 49% Public Supply 11% Domestic 1% Irrigation 31% Other- 8%: Mining 1%, Industrial 4%, Aquaculture 2%, Livestock 1% From the American Water Works Assoc.

  15. Earth’s Water Cycle

  16. Earth’s Water Cycle • Let’s watch the water cycle in action! • http://www.epa.gov/ogwdw/kids/flash/flash_watercycle.html

  17. Global Precipitation Measurement • NASA is sending up a new mission next year, called Global Precipitation Measurement, or GPM. • http://pmm.nasa.gov/education/

  18. “For Good Measure” • In this short video, we will learn how NASA is going to help us measure how much precipitation falls on Earth every few hours. • Can you imagine how we can measure precipitation from above the clouds? • Why do we need to measure precipitation from above the clouds? • Let’s learn the answers to these questions in this video: http://pmm.nasa.gov/education/videos/for-good-measure

  19. Questions? • Do you have any questions about Earth’s water cycle and how we are learning more about it?

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