1. Year 7 multiple-choice main test: answers 7I Energy resources
7A multiple-choice extension test: answers
Year 7 multiple-choice main test: answers 7I Energy resources
© Cambridge University Press 2003, 2006, I multiple-choice main test: answers

2. A train is travelling along a railway line. The train has...
Question 1
A train is travelling along a railway line. The train has...
A) elastic potential energy
B) gravitational potential energy
C) kinetic energy
D) light energy
© Cambridge University Press 2003, 2006, I multiple-choice main test: answers

3. Coal is a fuel. Before it is burnt coal contains... A) chemical energy
Question 2
Coal is a fuel. Before it is burnt coal contains...
A) chemical energy
B) elastic potential energy
C) heat energy
D) light energy
© Cambridge University Press 2003, 2006, I multiple-choice main test: answers

4. C) gravitational potential energy D) heat energy
Question 3
A cycle dynamo is used to make the lights on a bike work. The energy transformations for this are shown in the diagram.
The missing energy is:
A) chemical energy
B) electrical energy
C) gravitational potential energy
D) heat energy
© Cambridge University Press 2003, 2006, I multiple-choice main test: answers

5. The diagram shows a Bunsen burner.
Question 4
The diagram shows a Bunsen burner.
The part labelled X is the...
A) air hole
B) barrel
C) collar
D) gas tap
© Cambridge University Press 2003, 2006, I multiple-choice main test: answers

6. This chart shows the correct sequence for lighting a Bunsen burner.
Question 5
This chart shows the correct sequence for lighting a Bunsen burner.
Choose the instruction that completes the sequence.
A) Close the air hole.
B) Close the jet.
C) Open the air hole.
D) Open the jet.
© Cambridge University Press 2003, 2006, I multiple-choice main test: answers

7. The reading on this thermometer is... A) 43 °C B) 47 °C C) 53 °C
Question 6
The reading on this thermometer is...
A) 43 °C
B) 47 °C
C) 53 °C
D) 57 °C
© Cambridge University Press 2003, 2006, I multiple-choice main test: answers

8. The substance that is not a fossil fuel is... A) coal B) natural gas
Question 7
The substance that is not a fossil fuel is...
A) coal
B) natural gas
C) oil
D) wood
© Cambridge University Press 2003, 2006, I multiple-choice main test: answers

9. The fuel made from dead sea creatures is... A) coal B) nuclear C) oil
Question 8
The fuel made from dead sea creatures is...
A) coal
B) nuclear
C) oil
D) wood
© Cambridge University Press 2003, 2006, I multiple-choice main test: answers

10. This data suggests that gas will run out in the year... A) 2042
Question 9
The bar chart shows the estimated life of fossil fuels. This data was collected in the year 2002.
This data suggests that gas will run out in the year...
A) 2042
B) 2062
C) 2302
D) 2362
© Cambridge University Press 2003, 2006, I multiple-choice main test: answers

11. The fuel that makes the biggest contribution to acid rain is...
Question 10
The fuel that makes the biggest contribution to acid rain is...
A) coal
B) natural gas
C) oil
D) wood
© Cambridge University Press 2003, 2006, I multiple-choice main test: answers

12. Read the following statements about renewable energies carefully.
Question 11
Read the following statements about renewable energies
carefully.
1. Renewable energies will never run out.
2. Renewable energies cause less pollution than fossil fuels.
3. All renewable energy resources depend on the weather.
The statements that are correct are...
A) 1 only
B) 2 only
C) 1 and 2 only
D) 1, 2 and 3
© Cambridge University Press 2003, 2006, I multiple-choice main test: answers

13. The energy resource that is not renewable is... A) biomass
Question 12
The energy resource that is not renewable is...
A) biomass
B) geothermal
C) hydro-electric
D) nuclear
© Cambridge University Press 2003, 2006, I multiple-choice main test: answers

14. Question 13
The energy resource that did not originally get its energy from the Sun is...
A) biomass
B) geothermal
C) hydro-electric
D) oil
© Cambridge University Press 2003, 2006, I multiple-choice main test: answers

15. A wind turbine uses ________ energy in the wind. A) electrical
Question 14
A wind turbine uses ________ energy in the wind.
A) electrical
B) gravitational potential
C) heat
D) kinetic
© Cambridge University Press 2003, 2006, I multiple-choice main test: answers

16. Question 15
The renewable energy resource that gets its energy from the gravitational attraction of the Moon is...
A) geothermal
B) hydro-electric
C) solar
D) tidal
© Cambridge University Press 2003, 2006, I multiple-choice main test: answers

17. Question 16
The correct metric unit to use for the amount of energy in food is the...
A) calorie
B) joule
C) kilogram
D) watt
© Cambridge University Press 2003, 2006, I multiple-choice main test: answers

18. The graph shows the energy required for a minute of each activity.
Question 17
The graph shows the energy required for a minute of each activity.
You need most energy from food if you are...
A) jogging
B) riding a bike
C) sleeping
D) walking
© Cambridge University Press 2003, 2006, I multiple-choice main test: answers

19. Question 18
Harry has a daily diet with a total energy intake of kJ. Each day his body
uses kJ. If his diet continues like this for several days his mass will...
A) decrease a bit
B) decrease a lot
C) increase a bit
D) increase a lot
© Cambridge University Press 2003, 2006, I multiple-choice main test: answers

20. Where do plants get their energy to grow from? A) soil B) water
Question 19
Where do plants get their energy to grow from?
A) soil
B) water
C) the Sun
D) air
© Cambridge University Press 2003, 2006, I multiple-choice main test: answers

21. The list shows four substances used by plants. 1. carbon dioxide
Question 20
The list shows four substances used by plants.
1. carbon dioxide
2. glucose
3. oxygen
4. water
The two substances that a plant must have to make food are...
A) 1 and 3 only
B) 1 and 4 only
C) 2 and 3 only
D) 3 and 4 only
© Cambridge University Press 2003, 2006, I multiple-choice main test: answers