Home
Class 7
PHYSICS
Use your brain power: Why do we wear wo...

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

Text Solution

Verified by Experts

Wool is the bad conductor of heat. we wear woolen clothes to maintain our body temperature and also for protecting yourself against cold air.
Promotional Banner

Topper's Solved these Questions

  • EFFECTS OF LIGHT

    NAVNEET PUBLICATION|Exercise QUESTION BANK|49 Videos

  • IN THE WORLD OF STARS

    NAVNEET PUBLICATION|Exercise QUESTION BANK|102 Videos

Similar Questions

Explore conceptually related problems

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

Use your brain power! Why is the upper end of the lightning conductor pointed?

Use your brain power : What are the needs of cells?

Use your brain power! Why don't the leaves of these plants rot in water?

Use your brain power! Why does the pitcher plant feed on insects even though it produces food by photosynthesis?

Use your brain power! Why does water trickle off lotus leaves?

Use your brain power : How are cells protected?

NAVNEET PUBLICATION-HEAT-QUESTION BANK
  1. Explain the following: Convection of heat

    Text Solution

    |

  2. Explain the following: Radiation

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |