- 1. An example of the conductors of heat is
A) Plastic
B) Aluminium
C) Wood
- 2. An example of the conductors of heat is
A) Plastic
B) Iron
C) Wood
- 3. An example of insulators of heat is
A) Wood
B) Iron
C) Aluminium
- 4. An example of insulators of heat is
A) Aluminium
B) Iron
C) Plastic
- 5. The hotness of an object is determined by its __ __.
A) Pressure
B) Neither a or b
C) Both a and b
D) Temperature
- 6. Temperature of boiling water cannot be measured by a __ __ thermometer.
A) Clinical
B) Celcius
- 7. Temperature is measured in degree ___ _.
A) Celcius
B) Clinical
- 8. No medium is required for transfer of heat by the process of ___ _.
A) Conduction
B) Radiation
C) Convection
- 9. A cold steel spoon is dipped in a cup of hot milk. It transfers heat to its other end by the process of __ _ _.
A) Convection
B) Radiation
C) Conduction
- 10. Clothes of ___ _ colours absorb heat better than clothes of light colours.
A) Light
B) Orange
C) Dark
D) Brown
- 11. Land breeze blows during
A) night
B) winter
C) day
D) summer
- 12. Sea breeze blows during
A) night
B) day
C) summer
D) winter
- 13. Dark coloured clothes are preferred during
A) day
B) summer
C) winter
D) night
- 14. Light coloured clothes are preferred during
A) summer
B) winter
C) day
D) night
- 15. Transfer of heat from burner to pan is by
A) convection
B) radiation
C) conduction
- 16. Transfer of heat from pan to water is by
A) conduction
B) convection
C) radiation
- 17. Transfer of heat within water is by
A) convection
B) conduction
C) radiation
- 18. One litre of water at 30°C is mixed with one litre of water at 50°C. The temperature of the mixture will be
A) between 30°C and 50°C
B) more than 50°C but less than 80°C
C) 80°C
D) 20°C
- 19. An iron ball at 40°C is dropped in a mug containing water at 40°C. The heat will
A) flow from water to iron ball.
B) not flow from iron ball to water or from water to iron ball.
C) increase the temperature of both.
D) flow from iron ball to wate
- 20. A wooden spoon is dipped in a cup of ice cream. Its other end
A) becomes cold by the process of convection.
B) becomes cold by the process of conduction.
C) becomes cold by the process of radiation.
D) does not become cold.
- 21. Stainless steel pans are usually provided with copper bottoms. The reason for this could be that
A) such pans appear colourful.
B) copper is a better conductor of heat than the stainless steel.
C) copper is easier to clean than the stainless steel.
D) copper bottom makes the pan more durable.
- 22. Quiz on Comparing Quantities for CBSE/Class VII
Narayana Home School, Nanniode
- an online concept school
nhsnanniode@gmail.com
Type Yes to continue...
A) No
B) Yes
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