Questions on Energy Sources
Q5. Meera used the Internet to find out about energy resources. The drawing below shows what Meera saw on her computer screen.
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(a) One of the entries is related to fossil fuels. Coal is a fossil fuel. Give the names of two other fossil fuels.
Oil
and natural gas (methane)
2 marks
(b) The crossword clue that appears on the screen speaks of 'the most versatile form of energy'. What is this versatile energy form?
Electricity 
1 mark
(c)
(i) Wave energy is an example of a renewable energy resource. Name two other renewable energy resources.
Any two 
from:
-
wind
-
solar
-
tidal
-
biomass
-
geothermal
2 marks
(ii) Meera found out how wave energy can be used to generate electricity. She saw the diagram below on the Internet.
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The table below shows the stages in generating electricity. They are not in the correct order.
A |
The air turns the turbine. |
B |
The turbine turns the generator. |
C |
The waves move up the chamber. |
D |
The generator produces electricity. |
E |
The waves push the air up the chamber. |
Write the letters of the stages in the correct order.
CEABD 
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Lose a mark for each letter that is out of place.
3 marks
Maximum 8 marks