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Published byChristina Enloe Modified over 2 years ago

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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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False Only about 0.8% of the Earth’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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True Turning 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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False A 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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ItemCost 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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Install a “hippo” (Thames Water) www.thameswater.co.uk www.thameswater.co.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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