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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) 4 bottles
B) 20 bottles
C) 75 bottles
D) 90 bottles
E) 175 bottles
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 litres
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.
FalseOnly about 0.8% of theEarth’s water is suitable
for drinking.
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?
True or False?
A dripping tap wastes about 15 litres of water per day.
TrueTurning off or fixing a
dripping tap saves about 15 litres
of water every day.
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?
True or False?The average washing
machine uses about 20 litres of water per load of laundry.
FalseA 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 cup
Sand, coarse £10 per cup
Sand, fine £10 per cup
Cheesecloth £2 per square
Rubber band £2 each
Cotton £1 per ball
What can you do?
Turn off the tap while brushing your teeth
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!
