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Nature, Forms, and Sources of Energy · CAPE Environmental Science Unit 2

59 past-paper questions on Nature, Forms, and Sources of Energy, part of Energy and the Environment, from every CAPE Environmental Science Unit 2 paper on Quelpr.

Practise Nature, Forms, and Sources of Energy
  1. 5(a)2 marks· CAPE Environmental Science Unit 2 · 2004 · Paper 1a non-renewable energy resource
  2. 5(b)2 marks· CAPE Environmental Science Unit 2 · 2004 · Paper 1a form of potential energy
  3. 5(c)2 marks· CAPE Environmental Science Unit 2 · 2004 · Paper 1an energy source derived from solar energy.
  4. 6(a)2 marks· CAPE Environmental Science Unit 2 · 2004 · Paper 1Distinguish between 'nuclear fission' and 'nuclear fusion'.
  5. 5(a)2 marks· CAPE Environmental Science Unit 2 · 2004 · Paper 2What is 'liquid natural gas (LNG)'?
  6. 5(a)1 mark· CAPE Environmental Science Unit 2 · 2005 · Paper 1Define the term 'energy'.
  7. 5(b)(i)3 marks· CAPE Environmental Science Unit 2 · 2005 · Paper 1Outline ONE social dependence of Caribbean societies on a NAMED form of energy.
  8. 5(b)(ii)3 marks· CAPE Environmental Science Unit 2 · 2005 · Paper 1Outline ONE economic dependence of Caribbean societies on a NAMED form of energy.
  9. 6(a)2 marks· CAPE Environmental Science Unit 2 · 2005 · Paper 1Explain what is meant by the term 'renewable energy source'.
  10. 8(a)3 marks· CAPE Environmental Science Unit 2 · 2005 · Paper 1Write an appropriate annotated label for EACH of the features A, B, and C in Figure 1.
  11. 4(b)8 marks· CAPE Environmental Science Unit 2 · 2005 · Paper 2Discuss TWO constraints faced by non-oil producing Caribbean countries in satisfying the energy demands of their population.
  12. 5(a)2 marks· CAPE Environmental Science Unit 2 · 2005 · Paper 2Distinguish between 'nuclear fission' and 'nuclear fusion'.
  13. 5(b)4 marks· CAPE Environmental Science Unit 2 · 2005 · Paper 2Write the equation for the nuclear fission process used in nuclear reactors.
  14. 5(a)(i)2 marks· CAPE Environmental Science Unit 2 · 2006 · Paper 1Distinguish between 'energy' and 'power'.
  15. 5(a)(ii)2 marks· CAPE Environmental Science Unit 2 · 2006 · Paper 1Distinguish between 'renewable source of energy' and 'non-renewable source of energy'.
  16. 5(b)3 marks· CAPE Environmental Science Unit 2 · 2006 · Paper 1Explain why energy conversion processes have low efficiencies.
  17. 5(a)(i)5 marks· CAPE Environmental Science Unit 2 · 2006 · Paper 2Explain the function of control rods in a nuclear energy plant.
  18. 5(a)(ii)4 marks· CAPE Environmental Science Unit 2 · 2006 · Paper 2Explain the function of the primary water circuit in a nuclear energy plant.
  19. 4(a)2 marks· CAPE Environmental Science Unit 2 · 2007 · Paper 2Distinguish between a renewable energy source and a non-renewable energy source.
  20. 4(b)8 marks· CAPE Environmental Science Unit 2 · 2007 · Paper 2With reference to Figure 2, describe the basic principle of how energy is harnessed in each plant.
  21. 4(a)(i)1 mark· CAPE Environmental Science Unit 2 · 2008 · Paper 2List the types of fossil fuels.
  22. 4(a)(ii)3 marks· CAPE Environmental Science Unit 2 · 2008 · Paper 2Outline the formation of fossil fuels.
  23. 5(a)4 marks· CAPE Environmental Science Unit 2 · 2008 · Paper 2Describe the energy-conversion process occurring in the hydroelectric power plant, clarifying the meaning of 'potential energy' and 'kinetic energy'.
  24. 6(a)(i)2 marks· CAPE Environmental Science Unit 2 · 2008 · Paper 2State what is meant by a power rating of 60 W.
  25. 6(a)(ii)2 marks· CAPE Environmental Science Unit 2 · 2008 · Paper 2State what is meant by an efficiency of 5%.
  26. 4(a)(iii)3 marks· CAPE Environmental Science Unit 2 · 2009 · Paper 2State THREE uses that could fall under the 'Other' category in Figure 3.
  27. 6(a)(i)1 mark· CAPE Environmental Science Unit 2 · 2009 · Paper 2Identify the year in which the number of nuclear power plants on order was equal to the number of plants in operation.
  28. 6(a)(ii)1 mark· CAPE Environmental Science Unit 2 · 2009 · Paper 2Identify the year in which the number of nuclear power plants on order reached its peak.
  29. 6(a)(iii)1 mark· CAPE Environmental Science Unit 2 · 2009 · Paper 2Determine the number of nuclear power plants on order in 1995.
  30. 6(a)(iv)2 marks· CAPE Environmental Science Unit 2 · 2009 · Paper 2Calculate the average rate of decline in the number of nuclear power plants on order over the period shown in Figure 5.
  31. 3(b)(ii)1 mark· CAPE Environmental Science Unit 2 · 2011 · Paper 2Into which classification does the energy resource described in (b)(i) above fall?
  32. 3(b)(iv)4 marks· CAPE Environmental Science Unit 2 · 2011 · Paper 2Give an explanation for the answer you provided in (b)(iii).
  33. 3(a)(i)2 marks· CAPE Environmental Science Unit 2 · 2012 · Paper 2Define the term 'energy efficiency'.
  34. 3(a)(ii)3 marks· CAPE Environmental Science Unit 2 · 2012 · Paper 2What percentage of this country's energy output is in some beneficial form? Show your working.
  35. 3(a)(iii)2 marks· CAPE Environmental Science Unit 2 · 2012 · Paper 2Assuming a total energy output of 1 x 10^15 BTU, how much energy is lost as unnecessary energy waste?
  36. 3(b)(i)1 mark· CAPE Environmental Science Unit 2 · 2012 · Paper 2Define the term 'kinetic energy'.
  37. 3(b)(ii)6 marks· CAPE Environmental Science Unit 2 · 2012 · Paper 2With the use of a suitably labelled diagram, explain how wind energy is harnessed to produce electricity.
  38. 4(b)(i)2 marks· CAPE Environmental Science Unit 2 · 2012 · Paper 2Define the term 'renewable energy'.
  39. 3(a)3 marks· CAPE Environmental Science Unit 2 · 2014 · Paper 2Copy the flow diagram and complete the blank spaces to show the energy transformations.
  40. 3(c)(i)3 marks· CAPE Environmental Science Unit 2 · 2014 · Paper 2Describe the trend illustrated in Figure 4.
  41. 3(c)(ii)6 marks· CAPE Environmental Science Unit 2 · 2014 · Paper 2Give TWO reasons to explain how EACH of the following factors may produce the trend in petroleum prices seen in Figure 4: technological limitations, geographical restrictions, and reliability of supply.
  42. 3(b)(i)2 marks· CAPE Environmental Science Unit 2 · 2015 · Paper 2Define the term 'efficiency of conversion' as it refers to energy.
  43. 3(c)(ii)6 marks· CAPE Environmental Science Unit 2 · 2015 · Paper 2In 2011, total world petroleum production was 87 331 600 barrels per day compared to 1 810 000 barrels per day of biofuel. Discuss TWO different reasons that could have resulted in this large disparity.
  44. 4(b)(i)1 mark· CAPE Environmental Science Unit 2 · 2015 · Paper 2Define the term 'energy'.
  45. 3(a)3 marks· CAPE Environmental Science Unit 2 · 2016 · Paper 2Outline the energy conversions that occur when a kettle boiling on a gas stove starts to whistle.
  46. 3(b)(i)2 marks· CAPE Environmental Science Unit 2 · 2016 · Paper 2Identify the MAJOR trend illustrated in Figure 3.
  47. 3(b)(ii)3 marks· CAPE Environmental Science Unit 2 · 2016 · Paper 2Calculate how much spent nuclear fuel accumulated in the United States between 1985 and 2000.
  48. 3(c)6 marks· CAPE Environmental Science Unit 2 · 2016 · Paper 2Compare and contrast the generation of electricity by conventional and nuclear methods, providing ONE similarity and TWO differences.
  49. 4(a)3 marks· CAPE Environmental Science Unit 2 · 2016 · Paper 2Using ONE example, briefly explain the importance of energy to Caribbean societies.
  50. 4(a)3 marks· CAPE Environmental Science Unit 2 · 2017 · Paper 2Electricity is described as a secondary energy source. State ONE primary energy source and distinguish between 'primary' and 'secondary' sources of energy.
  51. 4(c)(i)2 marks· CAPE Environmental Science Unit 2 · 2017 · Paper 2Define the term 'efficiency of conversion' as it refers to energy.
  52. 4(c)(ii)4 marks· CAPE Environmental Science Unit 2 · 2017 · Paper 2A Caribbean family consumes 7 200 MJ of energy per year on household lighting using incandescent light bulbs. Only 432 MJ of the energy used is actually converted into light. Calculate the efficiency of conversion of…
  53. 3(a)(ii)4 marks· CAPE Environmental Science Unit 2 · 2018 · Paper 2Draw a labelled diagram to illustrate the main components of a wind turbine used to generate electricity.
  54. 4(b)(i)3 marks· CAPE Environmental Science Unit 2 · 2018 · Paper 2List THREE limiting factors which may affect the supply and use of oil by this Caribbean country.
  55. 4(b)(ii)8 marks· CAPE Environmental Science Unit 2 · 2018 · Paper 2Discuss TWO of the limiting factors identified in (b)(i).
  56. 3(a)(i)1 mark· CAPE Environmental Science Unit 2 · 2019 · Paper 2Define the term 'energy'.
  57. 3(a)(ii)6 marks· CAPE Environmental Science Unit 2 · 2019 · Paper 2Explain the conversion of energy in a steam turbine electricity generator by using boxes I, II, and III to label and annotate Figure 2.
  58. 3(a)(i)3 marks· CAPE Environmental Science Unit 2 · 2021 · Paper 2Name the types of energy, I, II and III, involved in the energy conversion process.
  59. 3(a)(ii)3 marks· CAPE Environmental Science Unit 2 · 2021 · Paper 2Explain why one of the types of energy labelled on the diagram is usually considered 'unwanted'.

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