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1 markEnergetics

CAPE Chemistry Unit 1 · 2017 · Question 3(a)

Natural gas and propane are fuels for domestic use. A science class needs to determine which fuel is more economical for energy provision. You need to plan and design an experiment to achieve this task, including a hypothesis, aim, apparatus and materials, experimental method, variables, expected results, treatment of results, and one source of error.

Hypothesis

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Other parts of this question

  1. 3(b)Aim[1 mark]
  2. 3(d)Experimental method[3 marks]
  3. 3(e)(i)Variables: Manipulated[3 marks]
  4. 3(e)(ii)Variables: Responding[1 mark]
  5. 3(e)(iii)Variables: Controlled[1 mark]
  6. 3(f)Expected results[1 mark]
  7. 3(g)Treatment of results[1 mark]
  8. 3(h)ONE source of error in the experiment[1 mark]

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