WorksheetsHeat Transfer
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
What kind of heat transfer happens when the sun heats your body?
a)
Conduction
b)
Radiation
c)
Convection
d)
Density
2.
Warm air rises and the cool air sinks demonstrates this type of heat transfer.
a)
conduction
b)
convection
c)
radiation
d)
Insolation
3.
When you iron a shirt, the shirt gets warm. This type of heat transfer is an example of
a)
condensation
b)
conduction
c)
convection
d)
radiation
4.
Warm air is __________ dense than cold air and rises creating convection currents.
a)
more
b)
less
5.
The man takes the hot pot off the stove with his bare hands and his hands get burned. This is an example of
a)
conduction
b)
convection
c)
radiation
6.
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.
7.
A group of friends gather around a fire to stay warm. This is an example of
a)
conduction
b)
convection
c)
radiation
8.
The baby chickens are kept warm from the heat lamps. This demonstrates what kind of heat transfer?
a)
conduction
b)
convection
c)
radiation
9.
The transfer of heat by currents through liquids of gases is called
a)
Perspiration
b)
Radiation
c)
Conduction
d)
Convection
10.
A metal spoon heated by hot soup. This is an example of
a)
Conduction
b)
Transpiration
c)
Convection
d)
Radiation
11.
"Lava lamps" contain colored liquids. These liquids form globs that rise to the top due to
a)
conduction
b)
convection
c)
radiation
12.
Near the ceiling of a room the air is warmer; the warm air rises because of
a)
conduction
b)
convection
c)
radiation
13.
A huge rock at the state park gets hot during the day. The rock was warmed from the Sun by
a)
conduction
b)
convection
c)
radiation
14.
You lay on a hot rock and keep warm from the rock by
a)
conduction
b)
convection
c)
radiation
15.
A crayon placed on a dark driveway in bright sunlight melted into a colorful puddle. What caused the crayon to melt?
a)
Solar radiation heated the driveway and then heat transferred to the crayon by conduction.
b)
Solar radiation heated the driveway and then heat transferred to the crayon by radiation.
c)
Solar convection heated the driveway and then heat transferred to the crayon by radiation.
d)
Solar convection heated the driveway and then heat transferred to the crayon by conduction.
16.
Which statement is true?
a)
The quicker a molecule moves, the colder it is.
b)
The slower a molecule moves, the warmer it is.
c)
The quicker a molecule moves, the warmer it is
d)
The movement of a molecule doesn't affect its temperature
17.
The picture shows heat transfer by
a)
Conduction
b)
Convection
c)
Radiation
18.
Cold air sinks. True or false?
a)
true
b)
false
19.
This is a lava lamp. When the light bulb heats the wax, the wax rises. When the wax cools, it falls. This cycle of rising/falling is an example of:
a)
Conduction.
b)
Convection.
c)
Radiation.
20.
The Gulf Stream is a current that brings warm ocean water from the south to the north. What type of heat transfer is this?
a)
conduction
b)
convection
c)
radiation
d)
Insolation
100 %
