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Question
Why do we wear dark coloured clothes in winter? Why do we wear light coloured clothes in summer? How do woollen clothes keep us warm during winter? [3 MARKS]
Why do we wear dark coloured clothes in winter? Why do we wear light coloured clothes in summer? How do woollen clothes keep us warm during winter? [3 MARKS]
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Solution
Reasons:1 Mark each
Woollen clothes: 1 Mark
Dark coloured clothes absorb more heat so we feel comfortable in dark coloured clothes in winter.
We wear light coloured clothes in summer because they reflect most of the heat that falls on them.
Woollen clothes keep us warm during winters because they are poor conductors of heat. They trap our body heat, thus keeping us warm.
Reasons:1 Mark each
Woollen clothes: 1 Mark
Dark coloured clothes absorb more heat so we feel comfortable in dark coloured clothes in winter.
We wear light coloured clothes in summer because they reflect most of the heat that falls on them.
Woollen clothes keep us warm during winters because they are poor conductors of heat. They trap our body heat, thus keeping us warm.
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