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Assessment

Heat and It's transfer mechanism

Heat and It's transfer mechanism, conduction, heat transfer in solids, mode of heat transfer takes place in liquids and gases due to movement of particles, Convection, the following is a good conductor of heat, Aluminium, device is used to measure temperature, Thermometer, Heat always flows from hot to cold

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ninja coder

Chemistry

Grade VII

10 plays

100 players

ninja coder's avatar

ninja coder

Chemistry

Grade VII

10 plays

100 players

Worksheet

  • 1.

    Multiple Choice

    1 pts•30 s

    What is the mode of heat transfer in solids?

    Answer choices

    Radiation

    Conduction

    Evaporation

  • 2.

    Multiple Choice

    1 pts•30 s

    Which mode of heat transfer does not require a medium?

    Answer choices

    Conduction

    Convection

    Radiation

  • 3.

    Multiple Choice

    1 pts•30 s

    Which mode of heat transfer takes place in liquids and gases due to movement of particles?

    Answer choices

    Convection

    Radiation

    Conduction

  • 4.

    Multiple Choice

    1 pts•30 s

    Which of the following is a good conductor of heat?

    Answer choices

    Wood

    Aluminium

    Plastic

  • 5.

    Multiple Choice

    1 pts•30 s

    Which of the following is a poor conductor of heat?

    Answer choices

    Wool

    Copper

    Iron

  • 6.

    Multiple Choice

    1 pts•30 s

    Which surface absorbs maximum heat by radiation?

    Answer choices

    Dark and rough

    White and smooth

    Dark and dull

  • 7.

    Multiple Choice

    1 pts•30 s

    Which device is used to measure temperature?

    Answer choices

    Thermometer

    Barometer

    Hygrometer

  • 8.

    Multiple Choice

    1 pts•30 s

    What is the range of a clinical thermometer?

    Answer choices

    0°C to 100°C

    35°C to 42°C

    -10°C to 50°C

  • 9.

    Multiple Choice

    1 pts•30 s

    Why is mercury used in thermometers?

    Answer choices

    Mercury expands and contracts slowly

    Mercury is expensive

    Mercury is visible and shiny

  • 10.

    Multiple Choice

    1 pts•30 s

    Which mode of heat transfer is responsible for sea breeze?

    Answer choices

    Convection

    Conduction

    Radiation

  • 11.

    Multiple Choice

    1 pts•30 s

    Which of the following heats up quickly in hot tea?

    Answer choices

    Wooden spoon

    Metal spoon

    Plastic spoon

  • 12.

    Multiple Choice

    1 pts•30 s

    Which of the following will get hottest in the sun?

    Answer choices

    Snow

    White cloth

    Black cloth

  • 13.

    Multiple Choice

    1 pts•30 s

    Why should mercury thermometers be handled with care?

    Answer choices

    Mercury breaks down in cold

    Mercury is toxic

    Mercury does not show accurate reading

  • 14.

    Multiple Choice

    1 pts•30 s

    In which direction does heat naturally flow?

    Answer choices

    Heat always flows from hot to cold

    Heat flows from cold to hot

    Heat does not flow at all

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