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7th Science - Heat and Temperature Model Question Paper Sep-30 , 2019

Heat and Temperature

7th Science - Heat and Temperature Model Question Paper

Heat and Temperature Model Question Paper

7th Standard

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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

  4. Doctor uses _________ thermometer to measure the human body temperature.

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    Clinical

  5. At room temperature Mercury is in _______ state.

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    Liquid

  6. Heat energy transfer from ________ to ______.

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    high temperature to low temperature

  7. -70C temperature is _____ than 00C temperature.

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    less

  8. The common laboratory thermometer is a _______ thermometer.

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    Celsius

    9. 5 x 1 = 5

  9. Clinical thermometer

    10. (1)

    0oC

  10. Normal temperature of human body

    11. (2)

    Kink

  11. Heat

    12. (3)

    A form of energy

  12. Boiling point of water

    13. (4)

    100°C

  13. Melting point of water

    14. (5)

    37°C
    3 x 2 = 6

  14. Jyothi was prepared to measure the temperature of hot water with a clinical thermometer. Is it right or wrong? Why?

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

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

    17. 2 x 3 = 6

  17. 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.

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

    19. 3 x 5 = 15

  19. Draw the diagram of a clinical thermometer and label its parts.

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

  21. 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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