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Heat and Temperature Model Question Paper

7th Standard EM

    Reg.No. :
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Science

Time : 01:00:00 Hrs
Total Marks : 40
    3 x 1 = 3
  1. International unit of measuring temperature is __________

    (a)

    Kelvin

    (b)

    Fahrenheit

    (c)

    Celsius

    (d)

    Joule

  2. The body temperature of a healthy man is;

    (a)

    00C

    (b)

    370C

    (c)

    980C

    (d)

    1000C

  3. 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

  4. 5 x 1 = 5
  5. Doctor uses _____________ thermometer to measure the human body temperature.

    ()

    Clinical

  6. At room temperature Mercury is in _______________ state.

    ()

    Liquid

  7. Heat energy transfer from _______________ to ___________

    ()

    hot and cold

  8. -70C temperature is _______________ than 00C temperature.

    ()

    less

  9. The common laboratory thermometer is a ______________ thermometer

    ()

    Celsius scale

  10. 5 x 1 = 5
  11. Clinical thermometer

  12. (1)

    A form of energy

  13. Normal temperature of human body

  14. (2)

    100°C

  15. Heat

  16. (3)

    37°C

  17. Boiling point of water

  18. (4)

    Kink

  19. Melting point of water

  20. (5)

    OOC

    3 x 2 = 6
  21. Jyothi was prepared to measure the temperature of hot water with a clinical thermometer. Is it right or wrong? Why?

  22. What is the use of kink in clinical thermometer?

  23. Why do we jerk a clinical thermometer before we measure the body temperature?

  24. 2 x 3 = 6
  25. Swathi kept a laboratory thermometer in hot water for some time and took it out to read the temperature. Ramani said it was a wrong way of measuring temperature. Do you agree with Ramani? Explain your answer.

  26. The body temperature of Srinath is 990F. Is he suffering from fever? If so, why?

  27. 3 x 5 = 15
  28. Draw the diagram of a clinical thermometer and label its parts.

  29. What must be the temperature in Fahrenheit, so that it will be twice its value in Celsius?

  30. Go to a veterinary doctor (a doctor who treats animals). Discuss and find out the normal temperature of domestic animals and birds.

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