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3. 1.What does non – renewable mean? Give an example of a non renewable energy source. Cannot be replaced Example: fossil fuels (other examples exist) answer

4. 2. What does renewable mean? Give an example of a renewable energy source. Can be replaced Example: wind / solar/ hydro/ geothermal. (other examples exist) answer

5. 3.Give some examples of problems associated with non renewable energy sources. Examples: They will run out. Increased levels of carbon dioxide. Pollution from acid rain. answer

6. 4. Name some possible environmental effects of nuclear power. Example: Dealing with radioactive waste. answer

7. 5.Which element is used as a fuel in a nuclear power station? Uranium answer

8. 6.Name the process which occurs in a reactor chamber? Nuclear fission answer

9. 7.Name this process? Chain reaction answer

10. 8.Name a fossil fuel? Coal, oil and gas. answer

11. 9.What is a fossil fuel? A fuel made over millions of years from fossilised plants (coal) and sea creatures (oil and gas). answer

12. 10.How are fossil fuels used to generate energy? They are burned to release heat energy. This is used to boil water. The steam drives turbines which produce electricity in a generator The steam drives turbines which produce electricity in a generator answer

13. 11.Give an environmental impact of wind turbines? e.g. Scar on landscape Noise pollution Loss of natural habitat for some animals answer

14. 12.How does a windfarm produce energy? Wind turns blades of turbine. Turbines generate electrical energy. answer

15. 13.Give some benefits from wind farms. Renewable energy source. No production of pollutant gases such as carbon dioxide. answer

16. 14.What do you call energy from the sun? Solar energy answer

17. 15.Give an example of a benefit from solar energy? Renewable energy source Cheap to produce answer

18. 16.Give a disadvantage of solar energy? Intensity of sunlight varies answer

19. 17. What do you call electrical energy made using water flowing down a hill? Hydroelectric answer

20. 18.Give an advantage of hydroelectric power? Renewable source Does not produce pollutant gases such as carbon dioxide. answer

21. 19.What energy changes take place in a thermal power station (fossil fuel)? Chemical  heat  kinetic  electrical energy answer

22. 20. What energy changes take place in a hydroelectric power station? Potential  Kinetic  Electric answer

23. 21. What energy changes take place in a nuclear power station? answer Nuclear  heat  Kinetic  electrical energy