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.

    ()

        

  6. At room temperature Mercury is in _______________ state.

    ()

          

  7. Heat energy transfer from _______________ to ___________

    ()

           

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

    ()

           

  9. The common laboratory thermometer is a ______________ thermometer

    ()

           

  10. 5 x 1 = 5
  11. Clinical thermometer

  12. (1)

    1000C

  13. Normal temperature of human body

  14. (2)

    370C

  15. Heat

  16. (3)

    Kink

  17. Boiling point of water

  18. (4)

    00C

  19. Melting point of water

  20. (5)

    A form of energy

    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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