Question 15 Marks
The question assesses the student's ability to identify and explain heat transfer process in real life situations.
(i) By what method of heat transfer does heat energy from the sun reach the earth?
(ii) Select the process of heat transfer which causes a breeze (wind) over land and sea.
(a) Conduction $\quad$ (b) Convection $\quad$ (c) Radiation
(iii) Explain in term of heat transfer, why houses at coastal area often have their windows facing the sea?
(iv) Suggest two domestic insulation techniques that the houses build at coastal areas could have to maintain constant temperatures.
(i) By what method of heat transfer does heat energy from the sun reach the earth?
(ii) Select the process of heat transfer which causes a breeze (wind) over land and sea.
(a) Conduction $\quad$ (b) Convection $\quad$ (c) Radiation
(iii) Explain in term of heat transfer, why houses at coastal area often have their windows facing the sea?
(iv) Suggest two domestic insulation techniques that the houses build at coastal areas could have to maintain constant temperatures.
Answer
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