Watch & Listen - Unit 4: The Environment p.82-83

How much of the Earth's surface is water?

• about 50%

• about 60%

• About 70%

• About 80%

What parts of the world do you think are experiencing a water shortage?

• North & South America

• Europe

• Asia & Australasia

• Africa & The Middle East

What are the biggest factors that lead to water shortages? (choose 3 boxes)

• increasing population and poor infrastructure

• poverty and politics

• living in a dry part of the world

• spending too much time in the shower and flushing the toilet

• Washing your car and watering your garden

(v) to change something completely, often to improve it.

• polar ice cap

• distribution

• transform

• reservoir

(n) a natural or artificial lake for storing and supplying water for an area

• polar ice cap

• distribution

• transform

• reservoir

(n) the way something is divided and shared in a group or area

• polar ice cap

• distribution

• transform

• reservoir

(n) A thick layer of ice near the North or South Pole which permanently covers an area of land.

• polar ice cap

• distribution

• transform

• reservoir

Only 2.5% of the Earth's water is available for human use.

• True

• False

Answer explanation

False; Only 1% of the fresh water is available for human use.

Transforming deserts, producing energy from rivers, and building cities require over half of our available fresh water.

• True

• False

Access to clean drinking water is a critical problem for more than a billion people

• True

• False