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WorksheetsHeat Transfer
Total questions: 10
Worksheet time: 5mins
What is heat transfer?
Flow of thermal energy irrespective of reservoir temperature
Flow of energy in the form of heat from high-temperature reservoir to low-temperature reservoir
Flow of thermal energy from low-temperature reservoir to high-temperature reservoir
None of the above
How many different types of heat transfer exist?
1
2
3
4 or more
Heat is the transfer of _____ from one object to another due to a difference in temperature.
Time
Force
Energy
Velocity
Which of the following is a unit of measurement for heat?
Calorie
Joule
BTU
All of the above
The man's hand will immediately receive heat from the metal as the candle gradually warms it. That is called____?
Conduction
Convection
Radiation
Toasting bread in a toaster is an example of
Condensation
Convection
Conduction
Radiation
"Metals" are the best____?
Insulators of heat
Conductors of heat
Conductors of light
Insulators of electricity
Quilts and jackets keep us warm by
Trapping air
Preventing release of heat from our body
Heating itself up
Maintaining body temperature
'Air' is___?
Thermal conductor
Thermal insulator
Electrical conductor
An electrolyte
Trees help in making environment?
Cool
Warm
Hot
Clean
