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Water For The World Presentation 2

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Transcript

  • 1. Welcome!
  • 2. Water
  • 3. Water affects us all...
  • 4. Access to water
  • 5. Team Quiz
  • 6. Write down a few words describing this scene
  • 7. True or False? 10% of the Earth’s water is drinkable.
  • 8. If the average Briton had to carry home all their water in 2 litre bottles, how many would they have to fetch per day? A) 4 bottles B) 20 bottles C) 75 bottles D) 90 bottles E) 175 bottles
  • 9. True or False? A dripping tap wastes about 15 litres of water per day.
  • 10. How much water does it take to flush a toilet installed in the last 5 years? A) 3 litres B) 6 litres C) 9 litres D) 15 litres
  • 11. True or False? The average washing machine uses about 20 litres of water per load of laundry.
  • 12. Write down a few words describing this scene
  • 13. Quiz Answers
  • 14. Write down a few words describing this scene
  • 15. True or False? 10% of the Earth’s water is drinkable.
  • 16. False Only about 0.8% of the Earth’s water is suitable for drinking.
  • 17. If the average Briton had to carry home all their water in 2 litre bottles, how many would they have to fetch per day? A) 4 bottles B) 20 bottles C) 75 bottles C) 75 bottles D) 90 bottles E) 175 bottles
  • 18. True or False? A dripping tap wastes about 15 litres of water per day.
  • 19. True Turning off or fixing a dripping tap saves about 15 litres of water every day.
  • 20. How much water does it take to flush a toilet installed in the last 5 years? A) 3 litres B) 6 litres B) 6 litres C) 9 litres D) 15 litres
  • 21. True or False? The average washing machine uses about 20 litres of water per load of laundry.
  • 22. False A typical washing machine uses closer to 50 litres of water per load.
  • 23. Write down a few words describing this scene
  • 24. Water for Everyone
  • 25. Where does the water we use come from?
  • 26. Lakes, rivers, etc.
  • 27. Rain
  • 28. Groundwater
  • 29. Artificial reservoirs
  • 30. What outlets do we take our water from?
  • 31. The tap
  • 32. Bottled
  • 33. Wells
  • 34. Public taps
  • 35. What links the natural source to the outlet?
  • 36. Infrastructure
  • 37. A clean water supply is crucial for everyone
  • 38. How do we get a clean supply?
  • 39. We must decontaminate the water.
  • 40. What things can contaminate water?
  • 41. Dirt and particulates
  • 42. Parasites, bacteria, viruses
  • 43. Poisons
  • 44. How can we remove these contaminants?
  • 45. Chemical purification
  • 46. Boiling
  • 47. Filtering
  • 48. Building a Filter
  • 49. Item Cost Activated charcoal £30 per cup Gravel, coarse £5 per cup Gravel, fine £5 per cup Sand, coarse £10 per cup Sand, fine £10 per cup Cheesecloth £2 per square Rubber band £2 each Cotton £1 per ball
  • 50. What can you do?
  • 51. Turn off the tap while brushing your teeth
  • 52. Install a “hippo” (Thames Water) www.thameswater.co.uk
  • 53. Take showers instead of baths
  • 54. Use only what you need when making a cup of tea...
  • 55. Wash fruits and vegetables in a bowl of water
  • 56. This presentation was made by EWB-UK and ARUP
  • 57. Thank you!