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WorksheetsHeat Transfer
Total questions: 20
Worksheet time: 15mins
Name
Class
Date
1.
What is the definition of CONVECTION
a)
When heat transfers through waves.
b)
When heat transfers from objects that are touching.
c)
a hot liquid or air that expands, becomes less dense, and rises or becomes more dense, and sinks.
d)
Heat traveling from the sun
2.
What is the definition of CONDUCTION?
a)
When heat is transferred from objects like rays of light or electromagnetically.
b)
a hot liquid or air that expands, becomes less dense, and rises or becomes more dense, and sinks.
c)
When heat transfers from objects that are touching.
d)
When heat transfers through the heater or AC in your house.
3.
Radiation=
a)
physical contact
b)
warm air rising
c)
heat moving through empty space
d)
say what?
4.
Specific heat is....
a)
The measure of kinetic energy of an objects particles
b)
A measure of the energy needed to increase the average kinetic energy of the particles
c)
The heating caused by the motion of flluid due to temperature difference
d)
The transfer of energy by electromagnetic radiation
5.
Boiling Water
a)
Conduction
b)
Convection
c)
Radiation
6.
Curling Iron
a)
Conduction
b)
Convection
c)
Radiation
7.
Sun Bathing
a)
Conduction
b)
Convection
c)
Radiation
8.
Feet on Hot Sand
a)
Conduction
b)
Convection
c)
Radiation
9.
Lava Lamp
a)
Conduction
b)
Convection
c)
Radiation
10.
Heat Lamps
a)
Conduction
b)
Convection
c)
Radiation
11.
Making toast in a toaster.
a)
Conduction
b)
Convection
c)
Radiation
12.
Laying out in the sun.
a)
Conduction
b)
Convection
c)
Radiation
13.
Burning your hand on a hot pan
a)
Conduction
b)
Convection
c)
Radiation
14.
Freezing outside on a cold day.
a)
Conduction
b)
Convection
c)
Radiation
15.
Tongue freezing to a metal pole.
a)
Conduction
b)
Convection
c)
Radiation
16.
Warming hand over a radiator.
a)
Conduction
b)
Convection
c)
Radiation
17.
A group of friends gather around a fire to stay warm.
a)
conduction
b)
convection
c)
radiation
18.
Near the ceiling of a room the air is warmer. The warm air rises because of
a)
conduction
b)
convection
c)
radiation
19.
How is heat transferred when boiling a pot of water on the stove?
a)
conduction
b)
convection
c)
combustion
d)
radiation
20.
Which best explains how bacon is fried on a stove burner?
a)
The bacon creates a convection current, the heat rises to the pan, and then rises to the stove burner.
b)
The bacon transfers heat directly to the pan, and the pan transfers heat directly to the stove burner.
c)
The stove burner radiates heat to the pan, and the pan radiates heat to the bacon.
d)
The stove burner transfers heat directly to the pan, and the pan directly transfers heat to the bacon.
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