welcome! water water affects us all... access to water
TRANSCRIPT
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Welcome!
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Water
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Water affects us all...
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Access to water
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Team Quiz
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Write down a few words describing this scene
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True or False?
10% of the Earth’s water is drinkable.
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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
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True or False?
A dripping tap wastes about 15 litres of water per day.
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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
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True or False?The average washing
machine uses about 20 litres of water per load of laundry.
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Write down a few words describing this scene
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Quiz Answers
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Write down a few words describing this scene
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True or False?
10% of the Earth’s water is drinkable.
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FalseOnly about 0.8% of theEarth’s water is suitable
for drinking.
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A) 4 bottles
B) 20 bottles
C) 75 bottles
D) 90 bottles
E) 175 bottles
C) 75 bottles
If the average Briton had to carry home all their water in 2 litre bottles, how many would they have to fetch per day?
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True or False?
A dripping tap wastes about 15 litres of water per day.
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TrueTurning off or fixing a
dripping tap saves about 15 litres
of water every day.
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A) 3 litres
B) 6 litres
C) 9 litres
D) 15 litres
B) 6 litres
How much water does it take to flush a toilet installed in the last 5 years?
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True or False?The average washing
machine uses about 20 litres of water per load of laundry.
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FalseA typical washing machine
uses closer to 50 litres of water per load.
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Write down a few words describing this scene
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Water for Everyone
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Where does the water we use come from?
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Lakes, rivers, etc.
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Rain
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Groundwater
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Artificial reservoirs
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What outlets do we take our
water from?
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The tap
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Bottled
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Wells
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Public taps
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What links the natural source to the outlet?
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Infrastructure
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A clean water supply is crucial for everyone
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How do we get a clean supply?
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We must decontaminate
the water.
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What things can contaminate
water?
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Dirt and particulates
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Parasites, bacteria, viruses
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Poisons
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How can we remove these contaminants?
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Chemical purification
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Boiling
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Filtering
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Building a Filter
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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
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What can you do?
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Turn off the tap while brushing your teeth
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Take showers instead of baths
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Use only what you need when making a cup of tea...
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Wash fruits and vegetables in a bowl of water
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This presentation was made by EWB-UK and ARUP
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Thank you!
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