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WorksheetsHeat Transfer
Total questions: 38
Worksheet time: 39mins
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.
What heat transfer happens when you burn your hand by touching a fire?
a)
Radiation
b)
Conduction
c)
Convection
d)
greenhouse
5.
The heat from a hot burner to a pot is transferred by ______.
a)
convection
b)
insulation
c)
radiation
d)
conduction
6.
The way the heat is moving from the hot coffee is called...
a)
convection
b)
radiation
c)
insulation
d)
conduction
7.
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.
8.
Warm air rises and the cool air sinks demonstrates this type of heat transfer.
a)
conduction
b)
convection
c)
radiation
d)
insulation
9.
The baby chickens are kept warm from the heat lamps demonstrates this type of heat transfer.
a)
conduction
b)
convection
c)
radiation
10.
Walking on the warm sand sand with your bare feet demonstrates this type of heat transfer.
a)
conduction
b)
convection
c)
radiation
11.
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)
insulation
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.
The candle will slowly heat the metal and transfer the heat directly to the mans hand.
a)
conduction
b)
convection
c)
radiation
15.
Transfer of thermal energy through "space"
a)
conduction
b)
convection
c)
radiation
16.
Transfer of thermal energy through "flow"
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.
You get sunburned due to __________ from the sun.
a)
conduction
b)
convection
c)
radiation
20.
A chair is placed several feet from a fireplace. The fireplace has a glass screen. The side of the chair facing the fireplace gets warm because of
a)
conduction
b)
convection
c)
radiation
21.
You're holding hands with your best friend. Your friend's hands are REALLY warm and yours are really cold. After a few minutes, this has changed. How might you explain what happened?
a)
The cold energy from your hand transferred to your friend's hand through conduction.
b)
The heat energy from your friend's hand transferred to your hand through conduction.
c)
The cold energy from your hand transferred to your friend's hand through convection.
d)
The heat energy from your friend's hand transferred to your hand through convection.
22.
Which mode of heat transfer (convection, conduction or radiation) explains why the Sun warms the Earth during the day.
a)
Convection
b)
Conduction
c)
Radiation
d)
Convection & Radiation
23.
A toaster toasting bread is an example of
a)
condensation
b)
conductio
c)
convection
d)
radiation
24.
Johnny accidentally grabbed the handle of the hot pot.
a)
conduction
b)
convection
c)
radiation
25.
The man goes to take the hot pot off the stove with his bare hands.
a)
conduction
b)
convection
c)
radiation
26.
The heat from a hot burner to a pot is transferred by ______.
a)
convection
b)
insulation
c)
radiation
d)
conduction
27.
What happens when ice cubes melt in a glass?
a)
Heat travels from the ice to the warmer water.
b)
No energy is transferred.
c)
Heat is transferred from the warmer water to the ice cubes.
d)
The water warms up due to the humidity
28.
A girl lays out at the beach to get a sun tan. What type of heat transfer is the girl experiencing? conduction
a)
conduction
b)
convection
c)
radiation
d)
reflection
29.
How is the heat from the fire being transferred to the boy?
a)
Radiation
b)
Conduction
c)
Reflection
d)
Transformation
30.
What type of heat transfer is occurring in the water inside the pot?
a)
Conduction
b)
Convection
c)
Radiation
d)
Reflection
31.
Convection=
a)
physical contact
b)
warm air rising
c)
heat moving through empty space
d)
cold air rising
32.
Conduction=
a)
physical contact
b)
warm air rising
c)
heat moving through empty space
d)
cold air rising
33.
The three types of heat transfer are...
a)
spilling hot soup in your lap
b)
hot, hotter, and hottest
c)
conduction, convection and radiation
d)
conduction, convection and tickling
34.
In class we put some candles on a metal spoon. We help one end of the spoon over a flame and watched the heat travel through the spoon and melt the candles on the other side. What kind of heat transfer was this?
a)
conduction
b)
radiation
c)
convection
d)
visible
35.
Everyday the earth is warmed by the sun. What kind of heat transfer is taking place in this process?
a)
radiation
b)
conduction
c)
convection
d)
visible
36.
_____________ occurs when warm air rises and is replaced by cooler air
a)
convection
b)
visible conduction
c)
radiation
37.
Which of the following is NOT a form of heat transfer?
a)
decay
b)
conduction
c)
convection
d)
radiation
38.
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)
visible
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