Water

Question 1

How do mines use water

Answer 1

To cool people and machines and separate gold from rock.

Question 2

Name two ways water is used to make electricity.

Answer 2

In a hydro electricity plant (water runs down from a high place and turns a turbine).
In a coal power station water is heated and the steam turns a turbine.

Question 3

Is there more slaty or fresh water on earth.

Answer 3

Salty (in the oceans)

Question 4

Describe the water cycle

Answer 4

The sun heats the ocean which causes evaporation. The water vapor condenses and forms clouds. The clouds get heavy and start raining. The rain falls on the land and creates streams which create River and run into lakes or back into the sea.

Question 5

Name two ways you can get water up from under the ground.

Answer 5

Boreholes and wells.

Question 6

Name 2 places where you can find fresh water.

Answer 6

Lakes,Streams,Rivers and wetlands.

Question 7

How do factory’s pollute water?

Answer 7

They use water to cool machines for many prosses.

Question 8

How do farms pollute water?

Answer 8

The chemicals they put on the plants pollute the water and the animal dung also pollutes the water.

Question 9

Name 3 things you use water for at home.

Answer 9

Cooking
Washing
Cleaning the house
Drinking
Personal hygiene