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Sec 1 Express - Water Cycle


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  • Water Cycle
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Sec 1 Express - Water Cycle

  1. 1. Water Cycle Workbook Exp Pg. 71 & 72
  2. 2. What do you see?
  3. 3. Answers <ul><li>River </li></ul><ul><li>Cloud </li></ul><ul><li>Trees </li></ul><ul><li>Rain </li></ul><ul><li>Ocean </li></ul>
  4. 4. Can you label the different processes? Seawater Evaporation Condensation Condensation Precipitation Transpiration Surface runoff Groundwater Trees 1 2 7 5 4 3 6
  5. 6. Evaporation <ul><li>The Sun’s causes water to evaporate. </li></ul><ul><li>Water changes into water vapour </li></ul><ul><ul><li>(from liquid state to gaseous state) </li></ul></ul>
  6. 7. Transpiration <ul><li>Plants give out water vapour through their leaves. </li></ul>
  7. 8. Condensation <ul><li>Warm air cools as it rises. </li></ul><ul><li>Water vapour changes into water droplets. </li></ul><ul><li>Millions of water droplets gather together to form clouds. </li></ul><ul><li>Small water droplets combine to form bigger water droplets. </li></ul>
  8. 9. Precipitation (rainfall) <ul><li>Water falls as rain or snow if the air is cold and humid enough. </li></ul>
  9. 10. Runoff <ul><li>Water flows from highlands to lowlands into rivers, lakes or seas. </li></ul>
  10. 11. Groundwater <ul><li>Water that seeps (infiltrate) into the ground may be absorbed by plants or flow into rivers, lakes or seas. </li></ul>