Water

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(No 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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10 of the Earths 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?

• 4 bottles
• 20 bottles
• 75 bottles
• 90 bottles
• 175 bottles

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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?

• 3 litres
• 6 litres
• 9 litres
• 15 litres

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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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10 of the Earths water is drinkable.
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Only about 0.8 of theEarths water is
suitablefor drinking.
False
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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?

• 4 bottles
• 20 bottles
• 75 bottles
• 90 bottles
• 175 bottles

C) 75 bottles
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A dripping tap wastes about 15 litres of water
per day.
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Turning off or fixing a dripping tap saves about
15 litresof water every day.
True
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How much water does it take to flush a toilet
installed in the last 5 years?

• 3 litres
• 6 litres
• 9 litres
• 15 litres

B) 6 litres
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The average washing machine uses about 20 litres
of water per load of laundry.
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A typical washing machine uses closer to 50
litres of water per load.
False
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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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What can you do?
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Turn off the tap while brushing your teeth
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Install a hippo (Thames Water)www.thameswater.c
o.uk
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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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