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4 marksElectricity Generation, Demand, and Management

CAPE Environmental Science Unit 2 · 2016 · Paper 2 · Question 4(c)(ii)

Testing an advertisement claiming energy-efficient bulbs reduce household electricity bills by 50%.

Identify the manipulated variable(s), responding variable(s) and control variable(s) in this experiment.

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Other parts of this question

  1. 4(a)Using ONE example, briefly explain the importance of energy to Caribbean societies.[3 marks]
  2. 4(b)(i)Define the term 'energy conservation'.[2 marks]
  3. 4(b)(ii)Suggest ONE approach to improve energy conservation in a Caribbean country's transportation sector, explain how it works, and assess its suitability for the…[4 marks]
  4. 4(c)(i)State the aim of this experiment.[1 mark]
  5. 4(d)Evaluate the feasibility of a Caribbean country switching electricity generation from fossil fuel to hydropower.[6 marks]

More practice: the rest of this paper · more Electricity Generation, Demand, and Management questions · all CAPE Environmental Science Unit 2 past papers