Water in the World Revision Task 1

Water is the most important resource on Earth because

• It is worth so much money

• There is so little of it on the planet

• There is so little drinkable water available

• Every living thing needs it to survive

Which of the following are sources of freshwater

• Groundwater, Ice, Water vapour

• Groundwater, Water vapour, Lava

• Petroleum, Lava, Ice

• Ice, Salt water, Waste water

An example of grey water is

• Water down household drains

• Icebergs

• Clouds

• Rivers

The gaseous state of water is also called

• Ice

• Waste water

• Water vapour

• Salt water

How much of the Earth's water is salt water?

• 3%

• Half

• 97%

• None

What % of the Earth is covered by ocean?

• 97%

• 3%

• 30%

• 70%

What happens if we drink too much salt water?

• We die of starvation

• We die of dehydration

• Our skin dries and shrivels

• We live to an old age

The three different states of water are

• Solid, gas, liquid

• Solid, gas, air

• Gas, air, liquid

• Air, liquid, solid

When groundwater moves into the soil below, this is known as

• Infiltration

• Percolation

• Evaporation

• Precipitation

Run-off and water in soil is known as

• Infiltration

• Percolation

• Evaporation

• Precipitation