Questions on Energy Sources

Q4. The drawing shows Mark’s house. He uses three methods to generate electricity.

Draw a straight line from each of the two methods below to the main energy resource used to generate electricity. Draw only two lines.

2 marks

(b)

(i) The solar cells cannot work at night. Give the reason for this.

1 mark

(ii) The wind turbine cannot generate electricity all the time. Give the reason for this.

1 mark

Maximum 4 marks