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

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

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

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

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

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

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

7. Calculate the cost of the electricity used by the Boyd family. answer Electricity meter reading at the end of June 3479 August 4639 Cost per unit First 150 units cost 20p Remaining units cost 5p £80.50

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

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

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

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

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

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

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

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

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

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

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

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

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

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.

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

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

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

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

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

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