0
Q
What is a solar cell?
A
A solar cell is device that produces electricity directly from energy from the sun.
1
Q
What is an advantage and disadvantage of fossil fuels.
A
A: Reliable
D: Non renewable
D: CO2 is produced (greenhouse gas)
D: SO2 is produced causing acid rain
2
Q
What colour are the pipes in a solar heating panel usually painted?
A
The pipes are usually painted black.
3
Q
Why does the demand for electricity vary between summer and winter?
A
The demand increase in winter because it gets colder so more energy is used to heat homes.
4
Q
What type of area would be most suitable for a wind farm?
A
A large, flat area of high ground.
5
Q
What are 2 types of renewable electricity
A
Wind
Solar
GCSE Physics Year 10 Nitrogen
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