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Answer the following question: Why do w...

Answer the following question:
Why do we hold a steel glass in a handkerchief while drinking hot milk from it? What are other examples of this kind?

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  1. Use your brain power: Why do we wear woolen clothes in winter?

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  2. Use your brain power: Why do we use white clothes in summer and dark ...

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  3. Use your brain power: Why is there a gap at the joints of rails and o...

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  4. Use your brain power: Why is mercury or alcohol used in a thermometer...

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  5. Give scientific reasons: An ordinary glass bottle cracks when boiling...

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  6. Give scientific reasons: The telephone wires which sag in summer beco...

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  7. Give scientific reasons: Dew drops are formed on the grass in winter.

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  8. Give scientific reasons: In winter why does an iron pillar feel colde...

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  9. Give scientific reasons: We can feel the heat of a table lamp, under ...

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  10. Give scientific reasons: The hard water of a well becomes soft on ad...

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  11. Give scientific reasons: Ice is kept in sawdust to keep it from melti...

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  12. Give scientific reasons: An iron tyre is heated before it is fitted o...

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  13. Give scientific reasons: Two steel bowls stuck in each other can be s...

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  14. Answer the following question: For what different purpose do you use ...

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  15. Answer the following question: What can be different use of infrared ...

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  16. Answer the following question: Why does the halwai wrap up clothes ar...

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  17. Answer the following question: Why do we hold a steel glass in a hand...

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  18. Answer the following question in one sentence: What are the modes of h...

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  19. Answer the following question orally: What is the relation between de...

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  20. Answer the following question orally: Why thermos flask is called Dew...

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