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P1: Quiz 11
P1: Quiz 11
1) Give a definition of a renewable energy source.
2)
a) Briefly explain how wind turbines generate electricity.
b) Why are the turbines found on top of a tall tower?
c) Give 3 positives of using wind turbines to generate electricity.
d) Give 3 negatives of using wind turbines to generate electricity.
3) Solar cells can be used to generate electricity.
a) Give 2 positives of using solar cells to generate electricity.
b) Give 3 negatives of using solar cells to generate electricity.
4) Solar panels can be used to heat up water. What can the heated water be used for in a home?
2)
a) Briefly explain how wind turbines generate electricity.
b) Why are the turbines found on top of a tall tower?
c) Give 3 positives of using wind turbines to generate electricity.
d) Give 3 negatives of using wind turbines to generate electricity.
3) Solar cells can be used to generate electricity.
a) Give 2 positives of using solar cells to generate electricity.
b) Give 3 negatives of using solar cells to generate electricity.
4) Solar panels can be used to heat up water. What can the heated water be used for in a home?