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6th Standard Science - Heat Model Question Paper Sep-25 , 2019

Heat 

6th Standard Science - Heat Model Question Paper

Heat Model Question Paper

6th Standard

    Reg.No. :
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Science

Time : 01:00:00 Hrs
Total Marks : 40
    3 x 1 = 3

  1. When an object is heated, the molecules that make up the object

    (a)

    begin to move faster

    (b)

    lose energy

    (c)

    become heavier

    (d)

    become lighter

  2. The unit of heat is

    (a)

    newton

    (b)

    joule

    (c)

    volt

    (d)

    celsius

  3. An iron ball at 50°C is dropped in a mug containing water at 50o C. The heat will

    (a)

    flow from iron ball to water

    (b)

    not flow from iron ball to water or from water to iron ball

    (c)

    flow from water to iron ball

    (d)

    increase the temperature of both

    4. 3 x 1 = 3

  4. Heat flows from a ____________ body to a ____________ body.

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    Lower temperature, hlgher temperature

  5. The SI unit of temperature is ________.

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    kelvin

  6. Two bodies are said to be in the state of thermal________ if there is no transfer of heat taking place.

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    thermal equilibrium

    7. 3 x 1 = 3

  7. Heat is a kind of energy that flows from a hot body to a cold body.

    (a) True
    (b) False

  8. Thermal expansion is always a nuisance.

    (a) True
    (b) False

  9. The unit of heat and temperature are the same.

    (a) True
    (b) False
    10. 5 x 1 = 5

  10. Heat

    11. (1)

    100oC

  11. Temperature

    12. (2)

    0oC

  12. Thermal Equilibrium

    13. (3)

    joule

  13. Ice cube

    14. (4)

    kelvin

  14. Boiling water

    15. (5)

     

    No heat flow
    3 x 2 = 6

  15. Heat : Joule :: Temperature :_______

  16. ice cube : 0oC :: Boiling water :_____

  17. Total Kinetic Energy of molecules: Heat :: Average Kinetic Energy : __________

    18. 2 x 2 = 4

  18. What is temperature?

  19. What do you understand by thermal equilibrium?

    20. 2 x 3 = 6

  20. What difference do you think heating the solid will make in their molecules ?

  21. Distinguish between heat and temperature.

    22. 2 x 5 = 10

  22. Explain thermal expansion with suitable examples.

  23. Suppose your normal body temperature were lower than what it is. How would the sensation of hot and cold change?

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