1 lesson 4عرض تقديمي1 unit

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1 lesson 4عرض تقديمي1 unit

  1. 1. Unit 1 Lesson 421 / 10 / 1432
  2. 2. Name of an Ocean Name of desert Name of country
  3. 3. Tiny drops of water mix with air and become clouds
  4. 4. If the water in the clouds are too heavy it falls to the earth again
  5. 5. About 4/5 goes directly back into the sea
  6. 6. In the land The water can be used by living things
  7. 7. Sources of drinking Water
  8. 8. 2-ReservoirsTo provide drinkingwater all year round
  9. 9. Rain water drains under the earth surface and collect in
  10. 10. Water under the Sahara Desertin North Africa has lain there for 25,000 years
  11. 11. Other under ground water doesn’tlie in one place but moves slowly downhill over hard rock
  12. 12. The largest source of fresh water is in Antarctica But it is unusable because 1-it is remote 2-it is in the form of ice
  13. 13. In UK people drink a small percentage of thewater they use . Each person use about 180 liters of water per day
  14. 14. Water is used in industry for variety of purpose
  15. 15. Water is used in making
  16. 16. cultivation irrigation
  17. 17. New vocab:- All year round – atomic– bore-hole – crop– cultivation – dam– dish – downhill– drain – drop– evaporate – mention– nearly – power station– precious – rainwater– remote – reservoir– salty – underneath – variety
  18. 18. WaterWhere does most rain fall?Where is the largest source of fresh water?What are the different uses of water?

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