Heat and It's transfer mechanism

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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Chemistry

Grade7

10 Plays

100 Participants

Worksheet

14 Qs

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