Hydrosphere

How much of the Earth’s surface is covered with water?

• 51%

• 61%

• 71%

• 81%

Water can exist in three different states.

• True

• False

How much of the Earth’s water is actually saltwater rather than fresh water?

• 67%

• 77%

• 87%

• 97%

The average person in the UK uses 150 litres of water a day. On average how do they use 30 per cent of that?

• Drinking

• Flushing the toilet

• Washing

• Washing clothes

What proportion of the world’s fresh water is held as groundwater?

• 10%

• 15%

• 20%

• 25%

How many water companies are there in England and Wales?

• 28

• 32

• 36

• 40

More than 800 million people in the world need to travel and queue for how long to secure safe water supplies?

• 10 minutes

• 20 minutes

• 30 minutes

• 60 minutes

Which country currently has the highest level of water scarcity in the world?

• Congo

• Papua New Guinea

• Uganda

• Eritrea

Over 250,000 children a year die from diseases caused by drinking dirty water.

• False

• True

In many parts of the world water demand already exceeds supply. How is this called?

• Water unavailability

• Water scarcity

• Water problem

• Whatever