Gr 7 GP Scarce Resources

Where would you find most of the earth's water?

• rivers

• land

• ocean

Human beings cannot drink sea water because it is too ________

• sweet

• salty

• tasty

The process of removing salt from seawater is called ___________

70 percent of our planet is covered by _____________

• land

• water

• ice - caps

Why are ice -caps and glaciers important to the water cycle?

• it is not drinkable

• it stores a percentage of the earth's water

• It affects the weather

The percentage of water which is drinkable in the world according to the video?

• less than 1 percent

• less than 2 percent

• less than 3 percent

An acquifer is ------

• a river

• an underground layer of water-bearing rock

• a well

India use ____________________ to collect water.

• water

• rain

• rain harvesting

How many nations collect water from the Nile river?

• 10

• 20

• 30

What effect does population growth have on water resources?

• not enough water for everyone

• water is easy accessible

• water becomes expensive