Water Questions

1. What percentage of the world's supply of water is fresh water?

There is 2.5 percent of fresh water on earth.

2. Where is the world's supply of fresh water found?

I think the world's supply of fresh water is mostly found in the United States.

3. Even though the supply of fresh water is abundant it is still a problem. Why?

Yes there is a problem, because water is the most abundant thing on earth, but people need fresh water. And only 2.5 percent of fresh water is on earth!

4. Observe the map of world average annual precipitation (opposite).

a) Describe the changes in rainfall occur as you move from the southern to the northern tip of of Africa.

On the bottom of Africa there is a little more rain than the top of Africa.

b) Describe the changes in rainfall that occur as you move from the western to the eastern tip of Australia along the the Tropic of Capricorn.

On the eastern side there is much more rainfall than on the western side.

5. Observe the map above of water availability per person.

a) Which parts of the world appear to have a large amount of water available per person?

Most of the northern side has a lot of water per person.

b) Which parts of the world appear to have a small amount of water per person?

On the west side there's not much water available per person.

6. Observe the diagram of water use.

a) What are the main uses of water?

The most use of water is on Reservoir losses from evaporation and seepage.

b) Which uses have increased the most over the last century?

The Industrial, Community and Reservoir losses from evaporation and seepage seem to have increased a lot over the century, because they are very steep.