WorksheetsHeat Transfer
Total questions: 20
Worksheet time: 18mins
Name
Class
Date
1.
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.
2.
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
3.
What kind of heat transfer happens when the sun is heating your body?
a)
Conduction
b)
Radiation
c)
Convection
d)
Density
4.
Which of the following is an example of convection?
a)
A hair dryer is drying up your hair.
b)
When the AC or heater changes the temperature.
c)
When a car engine turns hot after being turned on.
d)
When you are making soup and the water is rising and lowering.
5.
What heat transfer happens when you burn your hand by touching a fire?
a)
Radiation
b)
Conduction
c)
Convectio
d)
I don't know!!!!!!!!!!!
6.
Which of the following is needed for convection to happen?
a)
Fluid/s
b)
Light in the form or rays
c)
Electromagnetic waves
d)
Fire
7.
When a pot is touching a stove that is on, what heat transfer is happening?
a)
I don't know??????
b)
Radiation
c)
Conduction
d)
Convection
8.
The way the heat is moving from the hot coffee is called...
a)
convection
b)
radiation
c)
insulation
d)
conduction
9.
Warm air rises and the cool air sinks demonstrates this type of heat transfer.
a)
conduction
b)
convection
c)
radiation
d)
Insolation
10.
The baby chickens are kept warm from the heat lamps demonstrates this type of heat transfer.
a)
conduction
b)
convection
c)
radiation
11.
Walking on the warm sand sand with your bare feet demonstrates this type of heat transfer.
a)
conduction
b)
convection
c)
radiation
12.
Ironing a shirt is an example of...
a)
condensation
b)
conduction
c)
convection
d)
radiation
13.
Warm air is __________ dense than cold air and rises creating convection currents.
a)
more
b)
less
14.
Johnny accidentally grabbed the handle of the hot pot.
a)
conduction
b)
convection
c)
radiation
15.
A group of friends gather around a fire to stay warm.
a)
conduction
b)
convection
c)
radiation
16.
Transfer of thermal energy through "flow" of liquids and gases
a)
conduction
b)
convection
c)
radiation
17.
Transfer of thermal energy through "touch"
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.
A huge rock at the state park gets so hot during the day because of
a)
conduction
b)
convection
c)
radiation
20.
You get sunburned due to __________ from the sun.
a)
conduction
b)
convection
c)
radiation
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