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Term 2 Heat and Temperature One Mark Questions with Answer

7th Standard EM

    Reg.No. :
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Science

Time : 00:30:00 Hrs
Total Marks : 15
    5 x 1 = 5
  1. International unit of measuring temperature is __________

    (a)

    Kelvin

    (b)

    Fahrenheit

    (c)

    Celsius

    (d)

    Joule

  2. In thermometer when bulb comes in contact with hot object, liquid inside it

    (a)

    expands

    (b)

    contracts

    (c)

    remains same

    (d)

    none of above

  3. The body temperature of a healthy man is;

    (a)

    00C

    (b)

    370C

    (c)

    980C

    (d)

    1000C

  4. Mercury is often used in laboratory thermometers because it ___________

    (a)

    is a harmless liquid

    (b)

    is silvery in colour and is attractive in appearance

    (c)

    Expands uniformly

    (d)

    is a low cost liquid

  5. Which of the following temperature conversions is incorrect
     K ( Kelvin) = 0C ( Celsius) + 273.15

    (a)
    0C K
    -273.15 0
    (b)
    0C K
    -123. +150.15
    (c)
    0C K
    + 127. + 400.15
    (d)
    0C K
    + 450 + 733.15
  6. 5 x 1 = 5
  7. Doctor uses _____________ thermometer to measure the human body temperature.

    ()

    Clinical

  8. At room temperature Mercury is in _______________ state.

    ()

    Liquid

  9. Heat energy transfer from _______________ to ___________

    ()

    hot and cold

  10. -70C temperature is _______________ than 00C temperature.

    ()

    less

  11. The common laboratory thermometer is a ______________ thermometer

    ()

    Celsius scale

  12. 5 x 1 = 5
  13. Clinical thermometer

  14. (1)

    A form of energy

  15. Normal temperature of human body

  16. (2)

    37°C

  17. Heat

  18. (3)

    100°C

  19. Boiling point of water

  20. (4)

    Kink

  21. Melting point of water

  22. (5)

    OOC

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