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Answer the question in short: Why is the...

Answer the question in short:
Why is the outer coat of penguins of Antarctica black?

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TARGET PUBLICATION-HEAT-SOLVED
  1. Give scientific reasons: Dew drops are formed on the grass in winter.

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  2. Answer the question in short: Why are the houses in Rajasthan painted ...

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  3. Answer the question in short: Why is the outer coat of penguins of Ant...

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

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

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

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

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

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

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

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  11. Give reason : Why does a hot substance not remain hot after two or th...

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  12. Rub your palms against each other and put them on your cheeks. What do...

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  13. Apparatus: Bars of stainless steel, aluminium and copper, a candle, a ...

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  14. Apparatus: A beaker, potassium permaganate crystals, a burner, water, ...

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  15. Light a candle and stand it upright. Hold your hands on its two sides ...

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  16. Light a candle and stand it upright. Hold your hands on its two sides ...

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  17. Apparatus: Two aluminium tins of the same size, two small galsses, wat...

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  18. Apparatus: Glass bottle, baloon, hot water, etc. : Procedure: Fix a b...

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  19. Answer the question in short: What is meant by thermoware?

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  20. Oral Work : What is conduction of heat?

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