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# Water For The World Presentation 2

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### Water For The World Presentation 2

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