Introducing Water

2/3 of the Earth’s surface is covered by water. How much is fresh?

• 1%

• 20%

• 97%

How long can a human survive without water?

• Less than 1 week

• 1-2 weeks

• 1.Up to 3 weeks

People in sub-Saharan Africa use as much water in a day as someone in a developing country does while:

• Brushing their teeth for 2 minutes

• Running a sprinkler for 10 minutes

• Either of the above

Toilets account for how much of the water used in the home?

• 15%

• 23%

• 30%

How much of the 1600 million litres of water used in Sydney each day becomes wastewater?

• 2/3

• 1/2

• 3/4

How much water does it take to produce 1kg of meat?

• 23 500 litres

• 15 500 litres

• 60 500 litres

How much water does it take to make 1 x pair pantyhose?

• 20 litres

• 200 litres

• 2000 litres

How much of Australia’s land is arid?

• 50%

• 60%

• 70%

Where does the most irrigation occur in Australia?

• Burdekin-Haughton

• Ord

• Murray-Darling Basin

Lake Argyle, part of the Ord River irrigation system in WA, contains water equal to how many Sydney Harbours?

• 1

• 5

• 11