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1 markTemperature Control and Ventilation

CSEC Integrated Science · May/June 2011 · Paper 2 · Question 3(b)(ii)

Formation of a sea breeze near a coastline.

Indicate the most likely direction of airflow by drawing arrows at positions A and B on Figure 4.

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Other parts of this question

  1. 3(a)(i)Suggest how heat energy is transferred from the sun to the tools.[2 marks]
  2. 3(a)(ii)Explain why the wooden handle of the hammer and the nail reached different temperatures.[2 marks]
  3. 3(a)(iii)Explain how the nervous system causes the carpenter to automatically drop the hot nail upon picking it up.[4 marks]
  4. 3(a)(iv)Name the process by which heat is transferred from the hot nail to the carpenter's hand.[1 mark]
  5. 3(a)(v)Explain how wearing a glove made of thick cloth prevents the carpenter's hand from being burned by a hot nail.[1 mark]
  6. 3(b)(i)Define what is meant by convection in relation to heat transfer.[1 mark]
  7. 3(b)(iii)Explain why the air circulates in the direction indicated in Figure 4.[3 marks]

More practice: the rest of this paper · more Temperature Control and Ventilation questions · all CSEC Integrated Science past papers