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WorksheetsHeat Transfer
Total questions: 40
Worksheet time: 53mins
Name
Class
Date
1.
Emily made a cup of tea and stirred it with a spoon. The spoon became warm, How was the heat from the tea transferred to the spoon?
a)
Convection
b)
Radiation
c)
Conduction
d)
Evaporation
2.
A hot rock is dropped into a pail of cool water. Heat energy transferred from the rock to the water by
a)
Boiling
b)
Evaporation
c)
Conduction
d)
Radiation
3.
A hot water bottle is placed under a pillow. What happens to the heat energy?
a)
The heat spreads from the water bottle to the pillow.
b)
The heat in the bottle absorbs the heat from the pillow
c)
The heat in the bottle changes to chemical energy
d)
The heat energy builds up and increases the waters temperature.
4.
The best example of heat transfer by convection is when
a)
Sunlight warms soil
b)
A ceiling fan blows air
c)
Flames heat up a pan
d)
Heat rises in a chimney
5.
A pan of soup is being heated on an electric stove. A metal spoon is used to occasionally stir the soup. Which of the following is an example of heat being transferred by convection?
a)
Heating the pan
b)
Heating the soup
c)
Heating the spoon
d)
Heating the burner
6.
Which numbered part of the picture represents the way that energy from the sun reaches Earth?
a)
1
b)
2
c)
3
d)
4
7.
What is the original source of most of the energy that people use?
a)
Energy that reaches Earth by radiation from the sun.
b)
Energy that reaches the earth by convection from the sun.
c)
Energy that reaches the earth by radiation from the core.
d)
Energy that reaches the earth by conduction from the core.
8.
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.
9.
What causes your skin to feel warm when it is in the sun on a summer day?
a)
Particles in the atmosphere reflect energy from the sun downward.
b)
Hot particles from the sun still carry some heat when they reach your skin.
c)
The solar wind carries heated air from the sun's atmosphere to earth's surface.
d)
The sun radiates energy that passes through space and the atmosphere to your skin.
10.
How many kinds of heat transfer are there?
a)
1
b)
2
c)
3
d)
4 or more
11.
What heat transfer happens when you burn your hand by touching a fire?
a)
Radiation
b)
Conduction
c)
Convectio
d)
I don't know!!!!!!!!!!!
12.
The baby chickens are kept warm from the heat lamps demonstrates this type of heat transfer.
a)
conduction
b)
convection
c)
radiation
13.
Which describes what can happen as a result of radiation?
a)
A piece of wood burns in a fire.
b)
A shirt is hot after having been ironed.
c)
A can of soup is heated in a pot on a stove.
d)
A car’s inside temperature rises to over 100 degrees on a sunny day.
14.
What is the meaning of convection?
a)
cold rises heat falls
b)
heat
c)
cold
d)
hot rises cold falls
15.
What is the meaning of conduction
a)
when heat transfers from objects that are not touching
b)
heat rise
c)
cold fall
d)
when heat transfers from objects that are touching
16.
What kind of heat is happening when the sun heats your body
a)
conduction
b)
convection
c)
density
d)
radiation
17.
What is happening when heat rises
a)
density
b)
conduction
c)
radiation
d)
convection
18.
Heat rises
a)
true
b)
false
19.
Cold falls
a)
false
b)
true
20.
Heat energy traveling through space is an example of _____
a)
convection
b)
density
c)
radiation
d)
conduction
21.
Heat travels in waves
a)
true
b)
false
22.
All energy comes from the sun
a)
true
b)
false
23.
Heat is energy
a)
false
b)
true
24.
Heat always travels from _____ to ______ objects
a)
hot to cold
b)
cold to hot
c)
cold to cold
d)
hot to hot
25.
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.
26.
Ironing a shirt is an example of...
a)
condensation
b)
conduction
c)
convection
d)
radiation
27.
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
28.
Is Iron a Conductor or Insulator?
a)
Conductor
b)
Insulator
29.
Which is NOT an insulator.
a)
Wool
b)
Plastic
c)
Copper
d)
Glass
30.
Is Wood a conductor or Insulator?
a)
Conductor
b)
Insulator
31.
What is NOT an example of an insulator in the kitchen?
a)
An oven mitt
b)
Pots and pans
c)
A wooden spoon
d)
A plastic measuring cup
32.
Mittens help keep your hands warm in winter because:
a)
They are conductors of heat.
b)
They are fuzzy.
c)
They are conductors of electrical energy.
d)
They are insulators.
33.
Which is the best insulator?
a)
glass
b)
copper
c)
air
d)
iron
34.
Which is a good example of conduction?
a)
walking on the hot sand at the beach
b)
getting a sunburn
c)
moving the twirly thing at hanging in the room
d)
the movement of a hot air ballon
35.
The transfer of heat by two things touching is______?
a)
conduction
b)
convection
c)
radiation
d)
condensation
36.
Which is the best example of convection?
a)
making the twirly thing move hanging from the ceiling
b)
getting warm by the fireplace
c)
the Sun heating water in a mud puddle
d)
getting a burn by touching a hot pot
37.
The transfer of heat energy through space is____?
a)
convection
b)
conduction
c)
radiation
d)
precipitation
38.
The transfer of thermal energy by the movement of liquids and gases is______?
a)
convection
b)
conduction
c)
radiation
d)
evaporation
39.
The candle will slowly heat the metal and transfer the heat directly to the mans hand.
a)
conduction
b)
convection
c)
radiation
40.
Most substances contract when cooled because:
a)
the particles move slower and become further apart
b)
the particles move faster and become farther apart
c)
the particles move faster and become closer together
d)
the particles move slower and become closer together
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