Question

Why are the houses with thatched roofs cooler than the houses with concrete roofs in summer? Explain.

Answer 1

1. Mud houses with thatched roofs keep cool in summer and warm in winter as compared to concrete houses because the thatched roof contains a large amount of trapped air.
2. Similarly, mud is a bad conductor of heat. Hence, in summer, the heat from outside does not flow in and in winter, the heat from inside does: not flow out.
3. Thus, they remain cool in summer and warm in winter.