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Water Cycle Investigation 5-1


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Water Cycle Investigation 5-1

  1. 1. Water Cycle Investigation 5-1
  2. 2. Quick Write <ul><li>What is the Water Cycle ? </li></ul><ul><ul><li>Take 5 minutes to write what you know about this question. Including a picture is okay also. </li></ul></ul>
  3. 3. View from Outer Space <ul><li>Suppose you were a visitor from another planet approaching Earth from above the Pacific Ocean. How would you describe the planet? </li></ul>
  4. 4. Globe Activity Results <ul><li>Earth often called the Water Planet. </li></ul><ul><li>Earth is the only planet in the solar system with vast oceans of water. </li></ul><ul><li>70% of Earth’s surface is covered by water. </li></ul><ul><li>Where is most of Earth’s water found? </li></ul><ul><li>Where are some of the other places where water is found on Earth? </li></ul>
  5. 5. Fresh Water <ul><li>97%of Earth’s water is salt water in the oceans </li></ul><ul><li>Only 3% of Earth’s water is fresh water </li></ul><ul><ul><li>What is fresh water ? </li></ul></ul>
  6. 6. Where is Earth’s Water? -pg 219 <ul><li>97% of all water is salt water </li></ul><ul><li>3% of all water is fresh water </li></ul><ul><ul><li>2% is frozen </li></ul></ul><ul><ul><li>1% remaining is either liquid or gas </li></ul></ul><ul><ul><li>Half of liquid or gas water is underground </li></ul></ul><ul><ul><li>0.5% of Earth’s water in all the lakes, rivers, soil, and atmosphere </li></ul></ul>
  7. 7. Fresh Water State/Location <ul><li>In what form is water found in the atmosphere? </li></ul><ul><li>Is what form is water found in glaciers ? </li></ul><ul><li>What is groundwater ? </li></ul><ul><li>In what form is the water in groundwater? </li></ul><ul><li>Where do we find water that can be used by people? </li></ul>
  8. 8. Water Distribution Demo <ul><li>1000ml = all of Earth’s water </li></ul><ul><li>1 drop = all river/stream fresh water </li></ul><ul><li>20 drops = all water in atmosphere </li></ul><ul><li>1 ml = all water in soil </li></ul><ul><li>3 ml = all water in lakes </li></ul><ul><li>4 ml = all water in groundwater </li></ul><ul><li>21 ml = all frozen fresh water in ice caps and glaciers </li></ul><ul><li>How much water is left in large container? </li></ul>
  9. 9. Comparison <ul><li>970 ml represents the amount of water in Earth’s oceans - salt water </li></ul><ul><li>30 ml represents total amount of fresh water on Earth </li></ul><ul><li>25 ml of that is frozen or underground </li></ul><ul><li>5 ml of fresh water (0.5%) is water available for use by land plants and animals, including humans </li></ul><ul><li>Fresh water is limited - Life depends of water </li></ul>
  10. 10. Living Resources <ul><li>To maintain a high quality of life for all living things, water must be available </li></ul><ul><li>Think about & write ideas on: </li></ul><ul><ul><li>What prevents us from running out of water? </li></ul></ul><ul><ul><li>Where does new water come from? </li></ul></ul><ul><ul><li>What can people do to ensure that there is plenty of water for people and other living things on Earth? </li></ul></ul>