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7th Grade Chapter 5 Lesson 5


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7th Grade Chapter 5 Lesson 5

  1. 1. 7 th Grade Chapter 5 Lesson 5 Pgs. 184-193 For Student Use Only
  2. 2. Water: A World Traveler <ul><li>Water is transported all over the world </li></ul><ul><li>Many organisms thrive with water </li></ul><ul><ul><li>Bacteria: tiny one-celled organisms </li></ul></ul><ul><ul><li>Fungi </li></ul></ul>
  3. 3. Water: A World Traveler <ul><li>The Human Body: </li></ul><ul><ul><li>Our bodies are 60%-70% water </li></ul></ul><ul><ul><li>Losing 2% of water will make you thirsty </li></ul></ul><ul><ul><li>Lose 10% and your body will die </li></ul></ul>
  4. 4. Water: A World Traveler <ul><li>Water= main ingredient of life </li></ul><ul><li>Water in Sky: </li></ul><ul><ul><li>Water is found in lower troposphere </li></ul></ul><ul><li>Water in World: </li></ul><ul><ul><li>Salt Water= contains 3.5% salt </li></ul></ul><ul><ul><li>Fresh Water= Low salt content </li></ul></ul>
  5. 5. Water: A World Traveler <ul><li>Fresh Water </li></ul><ul><ul><li>75% fresh water is in glaciers </li></ul></ul><ul><li>Water Underground: </li></ul><ul><ul><li>Most water flows to the water table and aquifers </li></ul></ul><ul><ul><li>Ground water is main source of water for half world’s population </li></ul></ul>
  6. 6. Water: A World Traveler <ul><li>Surface-Water </li></ul><ul><ul><li>Lakes </li></ul></ul><ul><ul><li>Swamp </li></ul></ul><ul><ul><li>River </li></ul></ul><ul><li>Liquid Miner </li></ul><ul><ul><li>Limestone= soft rock that can have rivers running through it </li></ul></ul>
  7. 7. Water: A World Traveler <ul><li>Journey to the Sea: </li></ul><ul><ul><ul><li>Water seeks the lowest level </li></ul></ul></ul><ul><li>Water collects: </li></ul><ul><ul><li>Rills- tiny channels </li></ul></ul><ul><ul><li>Brooks & Streams- medium water </li></ul></ul><ul><ul><li>Rivers- large areas </li></ul></ul><ul><ul><li>Tributaries- rivers that lead to the sea </li></ul></ul>
  8. 8. Water: A World Traveler <ul><li>Drainage Basin- </li></ul><ul><ul><li>The area where all the water leads to </li></ul></ul><ul><ul><li>Divide- high land separating one drainage basin from another </li></ul></ul><ul><li>Great Divide: </li></ul><ul><ul><li>Raindrops on one-side go one way </li></ul></ul><ul><ul><li>Raindrops on other-side go one way </li></ul></ul>
  9. 9. Water: A World Traveler <ul><li>Water: </li></ul><ul><ul><li>Hydrosphere: the water that is found in the ocean, land, and atomsphere </li></ul></ul><ul><ul><li>Airborn Water: </li></ul></ul><ul><ul><ul><li>Rain </li></ul></ul></ul>
  10. 10. Water: A World Traveler <ul><li>Water Cycle: </li></ul><ul><ul><li>Evaporation- transferring of molecules from liquid to gas </li></ul></ul><ul><ul><ul><li>Water Vapor: gaseous water in the atmosphere </li></ul></ul></ul><ul><ul><ul><li>Temperature- speeds up evaporation </li></ul></ul></ul>
  11. 11. Water: A World Traveler <ul><li>Condensation: </li></ul><ul><ul><li>Water vapor cools and becomes water droplets </li></ul></ul><ul><li>Precipitation: </li></ul><ul><ul><li>Any form of water that falls from the clouds </li></ul></ul>
  12. 12. Water: A World Traveler <ul><li>Water Cycle: </li></ul><ul><ul><li>Water Evaporates </li></ul></ul><ul><ul><li>Water Condenses into clouds </li></ul></ul><ul><ul><li>Water falls as precipitation </li></ul></ul><ul><li>This movement of water is called the water cycle. </li></ul>