CSEC Integrated Science · 2007 · Paper 2 · Question 5(c)(i)
Suggest the method of heat transfer from the hot iron to the metal rest on the ironing board.
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- 5(a)In the frame provided in Figure 6, draw what the bimetallic strip would look like when heated. Label A and B on your diagram.[2 marks]
- 5(b)(i)Define what a 'thermostat' is.[1 mark]
- 5(b)(ii)Complete Table 2 by writing the effect of EACH action indicated on the flow of electric current through the iron.[4 marks]
- 5(c)(ii)Suggest the method of heat transfer from the hot iron to an unlit candle wax placed near but not touching it.[1 mark]
- 5(d)Explain what is meant by 'ventilation'.[2 marks]
- 5(e)(i)Complete Table 3 to show the specific cause of EACH observed effect of poor ventilation.[3 marks]
- 5(e)(ii)State ONE way in which the ventilation in the room might be improved.[1 mark]
More practice: the rest of this paper · more Temperature Control and Ventilation questions · all CSEC Integrated Science past papers