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WorksheetsHeat Transfer
Total questions: 58
Worksheet time: 2hrs 43mins
Name
Class
Date
1.
The sun shines down on this family as the play on the beach.
a)
conduction
b)
convection
c)
radiation
2.
A group of friends gather around a fire to stay warm.
a)
conduction
b)
convection
c)
radiation
3.
The Gulf Stream is a current that brings warm ocean water from the south to the north.
a)
conduction
b)
convection
c)
radiation
4.
Walking on the warm sand sand with your bare feet.
a)
conduction
b)
convection
c)
radiation
5.
The man goes to take the hot pot off the stove with his bare hands.
a)
conduction
b)
convection
c)
radiation
6.
Warm air rises and the cool air sinks.
a)
conduction
b)
convection
c)
radiation
7.
The baby chickens are kept warm from the heat lamps.
a)
conduction
b)
convection
c)
radiation
8.
In this experiment, the WARM red dye and the COLD blue dye was placed in the water at the same time. The warm red dye rose to the top while the cold blue dye sank to the bottom.
a)
conduction
b)
convection
c)
radiation
9.
The candle will slowly heat the metal and transfer the heat directly to the mans hand.
a)
conduction
b)
convection
c)
radiation
10.
Johnny accidentally grabbed the handle of the hot pot.
a)
conduction
b)
convection
c)
radiation
11.
The warm air from this heater creates a current when the warm air rises and the cold air sinks.
a)
conduction
b)
convection
c)
radiation
12.
Heat transfers from an area of ____temperature to an area of ___ temperature.
a)
high to low
b)
low to high
c)
high to high
13.
Hot air moving up is an example of
a)
Radiation
b)
Conduction
c)
Magic
d)
Convection
14.
Molecules in cold things move more _________
than in hot things.
than in hot things.
a)
quickly
b)
slowly
c)
happily
d)
merrily
15.
The transfer of heat by currents through liquids of gases is called
a)
Perspiration
b)
Radiation
c)
Conduction
d)
Convection
16.
Conduction occurs in...
a)
solids
b)
liquids
c)
gases
17.
Warm air is __________ dense than cold air and rises creating convection currents.
a)
more
b)
less
18.
The chocolate bunny and the iron.
a)
conduction
b)
convection
c)
radiation
19.
Heat transfers from an area of ____temperature to an area of ___ temperature.
a)
high to low
b)
low to high
c)
high to high
20.
The chocolate bunny and the lamp.
a)
conduction
b)
convection
c)
radiation
21.
What heat transfer happens when you burn your hand by touching a fire?
a)
Radiation
b)
Conduction
c)
Convection
d)
I don't know!!!!!!!!!!!
22.
What kind of heat transfer happens when the sun is heating your body?
a)
Conduction
b)
Radiation
c)
Convection
d)
Density
23.
Ironing a shirt is an example of...
a)
condensation
b)
conduction
c)
convection
d)
radiation
24.
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
25.
Transfer of thermal energy through "space"
a)
conduction
b)
convection
c)
radiation
26.
Near the ceiling of a room the air is warmer; the warm air rises because of
a)
conduction
b)
convection
c)
radiation
27.
What is the transfer of heat by movement of liquids or gases?
a)
conduction
b)
convection
c)
radiation
28.
What is the transfer of heat by direct contact?
a)
conduction
b)
convection
c)
radiation
29.
What is a transfer of heat energy by electromagnetic waves through space?
a)
conduction
b)
convection
c)
radiation
30.
You are stirring a bowl of hot soup with a metal spoon. The spoon starts to feel warmer because of _?_.
a)
conduction
b)
convection
c)
radiation
31.
You buy a lava lamp from the store. As the lamp heats up, blobs of liquid rise to the top then sink back down to the bottom. This process continues because of _?_.
a)
conduction
b)
convection
c)
radiation
32.
You are doing your homework at a desk that is underneath a lamp. You start to feel hotter because of _?_ from the lamp.
a)
conduction
b)
convection
c)
radiation
33.
Your best friend has a bunk bed. You move from the bottom bunk to the top bunk and notice that the air is warmer. The warm air rises because of _?_.
a)
conduction
b)
convection
c)
radiation
34.
You are doing your homework at a desk that is underneath a lamp. You start to feel hotter because of _?_ from the lamp.
a)
conduction
b)
convection
c)
radiation
35.
You are in science class and want to see if the hot plates were used recently. You place your hand near the side of the hot plate. Without touching the hot plate, your hand feels warmer. Heat is transferred to your hand by _?_.
a)
conduction
b)
convection
c)
radiation
36.
Which of the following is the best example of conduction?
a)
A light bulb warming a lampshade
b)
An egg cooking in a frying pan
c)
Water boiling in a pot
d)
Gases circulating in the atmosphere
37.
What causes the circulation of air in the atmosphere?
a)
Air in the atmosphere is heated by the sun and sinks to the ground.
b)
The ground is heated by the sun and then heats the air, causing the air to rise.
c)
Air loses heat to the ground and then rises upward to obtain more energy.
d)
The sun heats the clouds which forces the cooler air to move away and sink.
38.
The moving of air in the image is an example of _?_.
a)
radiation
b)
convection
c)
conduction
39.
What is the definition of CONVECTION
a)
When heat transfers through the heater or AC in your house.
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)
hot liquid or air that expands, becomes less dense, and rises or becomes more dense, and sinks.
40.
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.
41.
What is the definition of RADIATION
a)
hot liquid or air that expands, becomes less dense, and rises or becomes more dense, and sinks.
b)
When heat is transferred from objects like rays of light or electromagnetically.
c)
When heat transfers from objects that are touching.
d)
When heat transfers through the heater or AC in your house.
42.
What is convection?
a)
The transfer of heat between solids
b)
The transfer of heat between liquids or between gases
c)
The transfer of heat through packets of energy or waves
43.
What is conduction?
a)
The transfer of heat between solids
b)
The transfer of heat between liquids or between gases
c)
The transfer of heat through packets of energy or waves
44.
What is radiation?
a)
The transfer of heat between solids
b)
The transfer of heat between liquids or between gases
c)
The transfer of heat through packets of energy or waves
45.
What type of heat transfer is the following: toasting a bread.
a)
Conduction
b)
Convection
c)
Radiation
46.
What type of heat transfer is the following?: using a heater in winter.
a)
Conduction
b)
Convection
c)
Radiation
47.
What type of heat transfer is the following?: tanning in the beach.
a)
Conduction
b)
Convection
c)
Radiation
48.
What type of heat transfer is the following?: barbecuing.
a)
Conduction
b)
Convection
c)
Radiation
d)
The three of them
49.
What type of heat transfer is the following?: baking a cake.
a)
Conduction
b)
Convection
c)
Radiation
50.
What type of heat transfer is the following?: a cup of hot coffee resting in a room.
a)
Conduction
b)
Convection
c)
Radiation
51.
What type of heat transfer is the following?: using a curling iron.
a)
Conduction
b)
Convection
c)
Radiation
52.
Hot coffee is stirred with a spoon, the spoon get hot due to...
a)
Conduction
b)
Convection
c)
Radiation
53.
A kid holds the back of his hand near an iron to see if it´s hot. Heat is transferred by...
a)
Conduction
b)
Convection
c)
Radiation
54.
In a swimming pool the water near the surface is slightly warmer. The warm water rises because of ...
a)
Conduction
b)
Convection
c)
Radiation
55.
Near the ceiling of a room the air is warmer. The warmer air rises because of...
a)
Conduction
b)
Convection
c)
Radiation
56.
A huge rock at the state park gets so hot during the day (by the sun) that you can't sit on it from...
a)
Conduction
b)
Convection
c)
Radiation
57.
You lay on a hot rock at night so that you can keep warm by ...
a)
Conduction
b)
Convection
c)
Radiation
58.
Warm air over the beach raises while cooler dense air from the ocean rushes in due to...
a)
Conduction
b)
Convection
c)
Radiation
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