Answers to AQA GCSE Wind and Solar

Answers to Practice Questions

1. Describe the difference between solar cells and solar heating panels

Solar cells use sunlight to produce electricity

Solar heating panels Absorb IR from the sun to heat water, to provide hot water to the house.

2. Why would solar be considered to be an unreliable energy resource

Solar intensity varies throughout the day, season or year. There is no sunlight overnight.

3. What can the electricity be used for that is generated?

Heating of homes with electric heaters

Transportation (electric vehicles)

Electrical appliances