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The water cycle ppt
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Transcript

  • 1. 6EP A/B-C/D-E/F
  • 2.
    • Water hasn’t got colour,
    • it doesn’t smell and it hasn’t got flavour.
    • The scientific name for water is H2O.
    • Water consists of two atoms: hydrogen and oxygen (H2O).
    • Water can be in different forms. These are : liquid, solid and gaseous.
  • 3.
    • Water can be recycled. Water can be salty or fresh. Sea water is salty and river water is fresh.
    • 75% of the earth is water.
    • It’s a substance that regulates the temperature of the earth.
  • 4.
    • Water can be transformed into hydraulic energy.
    • One hundred years ago we didn’t have water taps. Nowadays w e need water to use the washing machine and the dishwasher.
  • 5.
    • Food has got a lot of water. Lots of drinks are made with water .
    • We need 200 litres of water to produce a litre of coca cola.
    • To produce one cup of coffee we need 140 litres of water.
    • Drinking a glass of milk (200 ml) takes 200 litres of water.
  • 6. What did we do?
    • We did a survey in our homes about the litres of water that we use in a week per family
    • Why did we do this?
    • Because we want to know how much water we use in our homes and as individuals.
  • 7. How did we do it?
    • We made a table with all the days of the week and we completed the information.
    • Then we collected all the information to know how many litres we use per family and per individual.
    • We recorded the results on to a graph.
  • 8. Results: Litres used per family .
  • 9. Results: Litres used per individual
  • 10.  
  • 11.
    • When you brush your teeth ,turn the tap off.
    • Taking a shower is better than taking a bath.
    • Take short showers.
    • Fill up the washing machine.
  • 12. Don’t fill up the bath w hen you take a shower. Turn the tap off when you soap your body. When you have lunch or dinner, don’t fill up your glass if you are not very thirsty. When you have ice left in your cup, don't throw it in the trash, dump it on a plant.
  • 13. When washing dishes by hand, don't leave the water running for rinsing. Water plants and the lawn in the evening. Take little steps each day to reduce the amount of water you use.
  • 14.