WorksheetsHeat and its effects
Total questions: 25
Worksheet time: 29mins
- The temperature scale that has lower fixed point 0 degree celsius and the upper fixed point at 100 degree celsius is called
Kelvin scale
Celsius scale
Absolute scale
Fahrenheit scale
In which of the following modes of heat transfer, do the molecules travel from the hotter part of the body to the colder part?
Conduction
Convection
Radiation
All of the three
Ventilation in rooms is due to
Conduction
Convection
Radiation
All of the three
In heat transfer, heat always flows from the _?_ substance to the _?_ substance.
hotter to colder
colder to hotter
hotter to hotter
colder to colder
The candle will slowly heat the metal and transfer the heat directly to the mans hand. This is an example of _?_.
conduction
convection
radiation
The moving of air in the image is an example of _?_.
radiation
convection
conduction
Which material will heat travel through the fastest?
Plastic
Wood
Metal
How do molecules react when heat energy is added to them?
They feel warmer but stay in place
They feel warmer and move slower.
They feel warmer and move faster
Molecules do not react with heat energy only solar energy
Which of the following is an example of heat transfer by Conduction?
Burning your fingers on a hot iron.
Heat from a heater warming up your whole house
Standing by a campfire and feeling the heat.
All of the above.
Which of the following is an example of heat transfer by Convection?
Burning your fingers on a hot iron.
Heat from a heater warming up your whole house
Standing by a campfire and feeling the heat.
All of the above.
If two objects have different temperatures, heat will flow from the warmer object to the cooler one UNTIL ____________
one reaches a temperature of zero
they both have an equal temperature
one runs out of energy
