Welcome!
Water
Water affects us all...
Access to water
Team Quiz
Write down a few words
 describing this scene
True or False?
  10% of the Earth’s
  water is drinkable.
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)...
True or False?
A dripping tap wastes about
 15 litres of water per day.
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 l...
True or False?
 The average washing machine
uses about 20 litres of water per
        load of laundry.
Write down a few words
 describing this scene
Quiz Answers
Write down a few words
 describing this scene
True or False?
  10% of the Earth’s
  water is drinkable.
False
Only about 0.8% of the
Earth’s water is suitable
      for drinking.
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)...
True or False?
A dripping tap wastes about
 15 litres of water per day.
True
Turning off or fixing a dripping
  tap saves about 15 litres
     of water every day.
How much water does it take to
flush a toilet installed in the last 5
years?


A) 3 litres


         B) 6 litres
B) 6 lit...
True or False?
 The average washing machine
uses about 20 litres of water per
        load of laundry.
False
A typical washing machine
  uses closer to 50 litres
     of water per load.
Write down a few words
 describing this scene
Water for Everyone
Where does the
 water we use
 come from?
Lakes, rivers, etc.
Rain
Groundwater
Artificial reservoirs
What outlets
do we take our
 water from?
The tap
Bottled
Wells
Public taps
What links the
natural source
 to the outlet?
Infrastructure
A clean water supply is
 crucial for everyone
How do we get a
 clean supply?
We must
decontaminate
  the water.
What things can
contaminate water?
Dirt and particulates
Parasites, bacteria, viruses
Poisons
How can we
remove these
contaminants?
Chemical purification
Boiling
Filtering
Building a Filter
Item                 Cost

Activated charcoal   £30 per cup

Gravel, coarse       £5 per cup

Gravel, fine         £5 per ...
What can you do?
Turn off the tap while
 brushing your teeth
Install a “hippo” (Thames Water)
    www.thameswater.co.uk
Take showers
instead of baths
Use only what you need
when making a cup of tea...
Wash fruits and vegetables
   in a bowl of water
This presentation was made
  by EWB-UK and ARUP
Thank you!
Water For The World Presentation 2
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...
  4. 4. Access to water
  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
  13. 13. Quiz Answers
  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!

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