1. Energy Quiz 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27

2. 1. Energy is the ability of a (physical) system to do what?
answer
Work

3. 2. Name four types of energy?
answer
Heat, light, electrical,
kinetic (movement), sound,
chemical and nuclear fuels

4. 3. State the energy changes in a light bulb
answer
Electrical light + heat

5. 4.What type of energy is stored in food?
answer
Chemical energy

6. 5. What do kilojoules measure?
answer
The energy in food

7. 6. What type of energy powers many of the appliances in our homes?
answer
Electrical energy

8. 7. Calculate the cost of the electricity used by the Boyd family.
answer
Electricity meter reading at the end of
June
August
Cost per unit
First 150 units cost 20p
Remaining units cost 5p
£80.50

9. 8. Most of our electricity is generated using what type of fuel?
answer
Coal, oil and gas

10. 9. What is the collective name for the following fuels; coal, oil and gas?
answer
Fossil fuels

11. 10. When were fossil fuels formed?
Millions of years ago
answer

12. 11. What was coal formed from?
answer
Forests / trees

13. 12. What were coal and gas formed from?
answer
From sea creatures

14. 13. What is produced when fossil fuels are burnt in a power station?
answer
Heat ( which boils the water)

15. 14 In a power station, what is the function of the generator?
Produces electricity
answer

16. 15. State the energy change that occurs in an electrical generator.
answer
Kinetic (movement) electrical

17. 16. Name a gas produced by burning fossil fuels that contributes to the greenhouse effect..
answer
Carbon dioxide

18. 17. List three alternative means of generating electricity
answer
Solar power, tidal power, geothermal, wind power, hydroelectricity, wave

19. 18. What is geothermal power
answer
Energy from hot material in the earth’s crust.

20. 19. What is hydroelectric power
answer
Energy generated by water, held in dams, being released to flow down hillsides.

21. 20. What do we call energy that will not run out?
answer
renewable energy

22. The fossil fuels will run out.
21. Energy from fossil fuels is non renewable. What does the term non-renewable mean?
answer
The fossil fuels will run out.

23. 22. State the energy changes that occur in a hairdryer
answer
Electrical heat (+ sound +kinetic (movement) + light)

24. 23. Scotland is a small country with a large coastline and lots of rain and wind. Suggest one type of alternative energy the country could generate in the future
Wind
Tidal
Hydroelectric
answer

25. Heating- water, homes, food Sound – radio, TV, Playstation
24. Energy is used in the home for lighting. Name another use for energy in the home?
answer
For example
Heating- water, homes, food
Sound – radio, TV, Playstation

26. 25. State two ways we can reduce energy loss from our homes.
answer
Loft insulation
Cavity wall insulation,
Laying carpets,
Lagging pipes,
Double glazing
Draught excluder on the letter box

27. Climate change with increasing temperatures
26. What is global warming
answer
Climate change with increasing temperatures

28. 27. Name a greenhouse gas, which causes global warming.
answer
Example
Carbon dioxide
Methane