wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Heat Transfer: Conduction, Convection, Radiation

Total questions: 210

Worksheet time: 5hrs 43mins

Name
Class
Date
1.

Which of the following is an example of heat transfer by conduction?

a)

Boiling water in a pot

b)

A metal spoon getting hot when placed in a cup of hot tea

c)

Sunlight warming your skin

d)

Warm air rising near a heater

2.

Which of the following is an example of heat transfer by radiation?

a)

Touching a hot pan

b)

Warm air rising to the ceiling

c)

Feeling warmth from a campfire without touching it

d)

Water boiling in a kettle

3.

Which of the following is NOT an example of convection?

a)

Hot air rising above a radiator

b)

Water boiling in a pot

c)

Metal rod heating up at one end

d)

Ocean currents moving warm water

4.

Which of the following is an example of radiation?

a)

Heat from a light bulb warming your hands

b)

Heat traveling through a metal rod

c)

Warm water rising in a pot

d)

Heat moving from your hand to an ice cube

5.

What kind of heat transfer is occurring when the sun warms the sand?

a)

Conduction

b)

Convection

c)

Radiation

d)

All of them

6.

Dan heats up a sandwich in the microwave. What type of heat transfer is it from the microwave to the sandwich?

a)

convection

b)

conduction

c)

radiation

d)

microwave

7.

An iron is placed on your clothes to smooth out the wrinkles. The iron transfers heat to your clothes through____???

a)

conduction

b)

convection

c)

radiation

8.

A pot is placed directly on a stove. The pot gets hot due to ???

a)

conduction

b)

convection

c)

radiation

9.
You get sunburned due to __________ from the sun.
a)
conduction
b)
convection
c)
radiation
10.

You are baking a cake. When you open the oven, a gush of warm air flows out toward your face. This warm air is due to???

a)

conduction

b)

convection

c)

radiation

11.

Near the ceiling of a room the air is warmer. The warm air rises because of???

a)

conduction

b)

convection

c)

radiation

12.
Which will most likely occur when raw egg is placed on black pavement on a hot, summer day?
a)
The pavement will conduct the heat and cook the egg.
b)
The egg will reflect the heat and make the pavement hotter underneath.
c)
The egg will absorb the heat  and leave the pavement hotter underneath.
d)
The pavement will absorb the heat from the egg, and the egg will stay raw.
13.
Jordan places a hot spoon into a container of ice cream. How does this help him scoop  out the ice cream? 
a)
The coolness from the ice cream is conducted to the spoon making it easier to scoop out.
b)
The coolness from the ice cream is radiated to the spoon making it easier to scoop out.
c)
The warmth of the spoon is conducted to the ice cream  making it easier to scoop out.
d)
The warmth of the spoon is radiated  to the ice cream making it easier to scoop out.
14.
John put a heat pack on his cold feet. What will most likely be the result?
a)
The cold from John’s feet will  be radiated into  the heat pack.
b)
The warmth of the heat pack will be radiated  onto John’s feet.
c)
The cold from John’s feet will be conducted  into the heat pack.
d)
The warmth of the heat pack will be conducted  onto John’s feet.
15.
Which best describes the process of convection?
a)
Convection is the primary way  heat travels  through rays.
b)
Convection is the primary way heat travels  through metals.
c)
Convection is the primary way heat travels  through appliances.
d)
Convection is the primary way heat travels  through liquids and gasses.
16.

Which type of heat is being transferred in the image?

a)

Conduction

b)

Convection

c)

Radiation

17.

In heat transfer, heat always flows from the _______________ object to the _______________ object.

a)

hotter / colder

b)

colder / hotter

c)

hotter / hotter

d)

colder / colder

18.

Which of the following statements is true regarding heat energy?

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 faster you dance, the quicker you get tired.

19.

As you hold pieces of ice, they begi to melt from the warmth of you hand on them. This is because of

a)

Convection

b)

Conduction

c)

Radiation

20.

Warm air over the beach rises while cooler dense air from the ocean rushes in due to

a)

Convection

b)

Conduction

c)

Radiation

21.

A huge boulder at the state park gets so hot during the day.

a)

Convection

b)

Conduction

c)

Radiation

22.

The cause of weather systems on earth is

a)

Convection

b)

Conduction

c)

Radiation

23.

When you use a microwave, what is the main way that heat is transferred?

a)

Convection

b)

Conduction

c)

Radiation

24.

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.

25.

What is heat?

a)

Heat

b)

Energy

c)

Thermal energy

d)

Thermal conductivity

26.

Ricardo was cooking spaghetti in a pot. When he went to touch the handle it was hot and he burned his hand. What form of heat transfer caused him to burn his hand?

a)

Convection

b)

Conductoin

c)

Conduction

d)

Why should I care?

27.

Makai is boiling water in a pot on the stove. He wonders how all of the water in the pot gets hot even though only the bottom level of the water is near the heat source. What kind of heat transfer causes all of the water to get hot?

a)

Conduction

b)

Convectoin

c)

Convection

d)

Conuction

28.

Jerry was trying to take his pizza out of the oven. When he reached for the pan he accidently burned his arm when he reached in for the pizza. What type of heat transfer caused this?

a)

Conevction

b)

Convection

c)

Codnuction

d)

Conduction

29.

Mike was trying to light a match, when he did he accidently burned his hand. What kind of heat transfer allowed this to happen?

a)

Conduction

b)

Convection

c)

Radiation

30.

Jimmy is a astronaut, when he was in space he drifted close to the sun. He said that he felt the hottest he had ever felt. What kind of heat transfer caused this?

a)

Radaition

b)

Radiation

c)

Convection

d)

Conduction

31.

What would you expect to happen to the gas inside a sealed container when the temperature drops, and why?

a)

The particles would spread out more because decreasing the temperature causes the particles to have more kinetic energy.

b)

The particles would spread out more because decreasing the temperature causes the particles to have less kinetic energy.

c)

The particles would move faster because decreasing the temperature causes the particles to have more kinetic energy.

d)

The particles would move more slowly because decreasing the temperature causes the particles to have less kinetic energy.

32.

Kinetic Energy is the energy of _________

a)

thermal

b)

movement

c)

potential

d)

atoms

33.

While temperature refers to an average of the kinetic energy of particles, thermal energy refers to ———— kinetic energy

a)

Transferred

b)

Total

c)

Added

d)

Lost

34.

Molecules with more kinetic energy move ———- than molecules with less kinetic energy

a)

Lower

b)

Faster

c)

Higher

d)

Slower

35.

The movement of thermal energy from a hotter object to a colder one is called

a)

Motion

b)

Kinetic energy

c)

Temperature

d)

Heat

36.

A cat is hanging out several feet from a fire in a fireplace. This causes the kitty cat to get warm. The kitty cat is warm because of...

a)

Convection

b)

Conduction

c)

Radiation

d)

The fur sweater he's wearing!

37.

A certain type of decorative lamp contains colored liquids. These liquids form globs that break off and rise to the top of the liquid. The globs rise due to

a)

Convection

b)

Conduction

c)

Radiation

d)

Globulation

38.

A cat is hanging out several feet from a fire in a fireplace. This causes the kitty cat to get warm. The kitty cat is warm because of...

a)

Convection

b)

Conduction

c)

Radiation

d)

The fur sweater he's wearing!

39.

A certain type of decorative lamp contains colored liquids. These liquids form globs that break off and rise to the top of the liquid. The globs rise due to

a)

Convection

b)

Conduction

c)

Radiation

d)

Globulation

40.

Near the ceiling of a room, the air is warmer. The warmer air is rising because of

a)

Convection

b)

Conduction

c)

Radiation

d)

It was told to by this crazy fool!

41.

In a swimming pool, the water near the surface is slightly warmer. The temperature of the water near the top rises because of

a)

Convection

b)

Conduction

c)

Radiation

d)

Too many dogs being in the pool!

42.

A fireman that is at a building that is on fire feels a door and it is hot. Why does his hand feel hot?

a)

Convection

b)

Conduction

c)

Radiation

d)

The Human Torch was on the other side!

43.

A huge boulder at the state park in Arizona gets so hot during a mid summer's day. This is due to...

a)

Convection

b)

Conduction

c)

Radiation

d)

Boogie Fever

44.

A house burns down. On the house next to it, the vinyl siding is twisted and warped by the heat. The heat was transferred across to the other house by

a)

Convection

b)

Conduction

c)

Radiation

d)

Marvin the Martian

45.

As you hold a piece of ice, it begins to melt from the warmth of you hand on it. This is because of

a)

Convection

b)

Conduction

c)

Radiation

d)

the fact that you are the Human Torch from the Fantastic Four.

46.

In heat transfer, heat always flows from the _______________ object to the _______________ object.

a)

hotter / colder

b)

colder / hotter

c)

hotter / hotter

d)

colder / colder

47.

Which of the following statements is true regarding heat energy?

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 faster you dance, the quicker you get tired.

48.

Hot coffee is stirred with a spoon, the spoon gets hot due to

a)

Convection

b)

Conduction

c)

Radiation

49.

A chair is placed several feet from a fire in a fireplace. The fireplace has a glass screen. The side of the chair facing the fireplace gets warm because of

a)

Convection

b)

Conduction

c)

Radiation

50.

A certain type of decorative lamp contains colored liquids. These liquids form globs that break off and rise to the top of the liquid. The globs rise due to

a)

Convection

b)

Conduction

c)

Radiation

51.

Near the ceiling of a room the air is warmer. The warm air rises because of

a)

Convection

b)

Conduction

c)

Radiation

52.

In a swimming pool, the water near the surface is slightly warmer. The warm water rises because of

a)

Convection

b)

Conduction

c)

Radiation

53.

You are in the top bunk of a bunk bed and you want to turn the air conditioner on while your friend on the bottom bunk is fine is caused by

a)

Convection

b)

Conduction

c)

Radiation

54.

The cause of weather systems on earth is

a)

Convection

b)

Conduction

c)

Radiation

55.

A fireman feels a door and it is hot. Why does his hand feel hot?

a)

Convection

b)

Conduction

c)

Radiation

56.

A huge boulder at the state park gets so hot during the day.

a)

Convection

b)

Conduction

c)

Radiation

57.

Warm air over the beach rises while cooler dense air from the ocean rushes in due to

a)

Convection

b)

Conduction

c)

Radiation

58.

A house burns down. On the house across the street, all of the vinyl siding is twisted and warped by the heat. The heat was transferred across the street by

a)

Convection

b)

Conduction

c)

Radiation

59.

As you hold pieces of ice, they begi to melt from the warmth of you hand on them. This is because of

a)

Convection

b)

Conduction

c)

Radiation

60.

A group of friends gather around a fire to stay warm.

a)

conduction

b)

convection

c)

radiation

61.
The Gulf Stream is a current that brings warm ocean water from the south to the north.
a)
conduction
b)
convection
c)
radiation
62.
In heat transfer, heat always flows from the _______________ substance to the _______________ substance.
a)
Hotter to colder
b)
Colder to hotter
c)
Hotter to hotter
d)
Colder to colder
63.
The type of heat transfer that happens through direct contact of molecules or particles with each other is ___________________.
a)
Convection
b)
Conduction
c)
Radiation
d)
insulation.
64.
The kind of heat transfer that travels through space in electromagnetic waves is ______________________.
a)
insulation.
b)
Radiation
c)
Conduction
d)
Convection
65.
___________________ is the type of heat transfer that occurs in fluids, such as warm air rising and cold air sinking; creating wind.
a)
Convection
b)
Conduction
c)
Radiation
d)
insulation.
66.

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.

67.

When you use a microwave, what is the main way that heat is transferred?

a)

Convection

b)

Conduction

c)

Radiation

68.
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.
69.
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
70.

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.

71.
The baby chickens are kept warm from the heat lamps demonstrates this type of heat transfer. 
a)
conduction
b)
convection
c)
radiation
72.
Walking on the warm sand sand with your bare feet demonstrates this type of heat transfer. 
a)
conduction
b)
convection
c)
radiation
73.
A group of friends gather around a fire to stay warm.
a)
conduction
b)
convection
c)
radiation
74.

Near the ceiling of a room the air is warmer. The warm air rises because of

a)

conduction

b)

convection

c)

radiation

75.

A huge rock at the state park gets so hot during the day because of

a)

conduction

b)

convection

c)

radiation

76.

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

77.

In heat transfer, heat always flows from the _______________ substance to the _______________ substance.

a)

Hotter to colder

b)

Colder to hotter

c)

Hotter to hotter

d)

Colder to colder

78.

The handle of a metal spoon warms up when it is placed in a hot bowl of soup because of

a)

Convection

b)

Conduction

c)

Radiation

d)

insulation.

79.

When you use a microwave, what is the main way that heat is transferred?

a)

Convection

b)

Conduction

c)

Radiation

d)

insulation.

80.

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

81.

An iron is placed on your clothes to smooth out the wrinkles. The iron transfers heat to your clothes through

a)

conduction

b)

convection

c)

radiation

82.

A pot is placed directly on a stove. The pot gets hot due to

a)

conduction

b)

convection

c)

radiation

83.

You get sunburned due to __________ from the sun.

a)

conduction

b)

convection

c)

radiation

84.

Near the ceiling of a room the air is warmer. The warm air rises because of

a)

conduction

b)

convection

c)

radiation

85.

The heat from a lamp allows a lizard to remain warm. This is an example of which type of heat transfer?

a)

radiation

b)

conduction

c)

convection

d)

insulation

86.
What is a PUSH or PULL of an object?
a)
Motion
b)
Force
c)
Friction
d)
Gravity
87.
Balanced or unbalanced?
a)
balanced
b)
unbalanced
88.
How will this object move? 
a)
It won't move. 
b)
It will move to the right. 
c)
It will move to the left. 
d)
It will move up. 
89.
How will this object move? 
a)
It won't move. 
b)
It will move to the right. 
c)
It will move to the left. 
d)
It will move in both directions. 
90.

Balanced or unbalanced?

(a)  

91.

What are the balanced forces?

a)

forces that are not equal in size and are opposite in direction

b)

forces that are equal in size and opposite in direction.

92.

What are the unbalanced forces?

a)

forces that are equal in size and opposite in direction.

b)

forces that are not equal in size and are opposite in direction

93.
If an object is not moving the forces acting upon it are _____________
a)
unbalanced
b)
weak
c)
balanced
d)
Hulk Smash!
94.
If these teams are pulling with the same amount of force what will happen?
a)
The boy in blue will win.
b)
They will not move at all.
c)
The boy in red will win.
d)
Both will fall down.
95.
What will cause an object to move?
a)
Applied forces
b)
Balanced forces
c)
Unbalanced forces
96.
Are the forces acting on the rope balanced or unbalanced?
a)
Balanced
b)
Unbalanced
97.

a)

Balanced

b)

Unbalanced

98.

a)

Balanced

b)

Unbalanced

99.

a)

Balanced

b)

Unbalanced

100.

A force has both strength and _____.

a)

power

b)

direction

c)

color

d)

balance

101.

Why did Izzy fall when playing tug of war?

a)

he tripped

b)

unbalanced forces

c)

balanced forces

d)

he was pushed

102.
What is a PUSH or PULL of an object?
a)
Motion
b)
Force
c)
Friction
d)
Gravity
103.
Balanced or unbalanced?
a)
balanced
b)
unbalanced
104.
How will this object move? 
a)
It won't move. 
b)
It will move to the right. 
c)
It will move to the left. 
d)
It will move up. 
105.
How will this object move? 
a)
It won't move. 
b)
It will move to the right. 
c)
It will move to the left. 
d)
It will move in both directions. 
106.

Balanced or unbalanced?

(a)  

107.

What are the balanced forces?

a)

forces that are not equal in size and are opposite in direction

b)

forces that are equal in size and opposite in direction.

108.

What are the unbalanced forces?

a)

forces that are equal in size and opposite in direction.

b)

forces that are not equal in size and are opposite in direction

109.
If an object is not moving the forces acting upon it are _____________
a)
unbalanced
b)
weak
c)
balanced
d)
Hulk Smash!
110.
If these teams are pulling with the same amount of force what will happen?
a)
The boy in blue will win.
b)
They will not move at all.
c)
The boy in red will win.
d)
Both will fall down.
111.
What will cause an object to move?
a)
Applied forces
b)
Balanced forces
c)
Unbalanced forces
112.
Are the forces acting on the rope balanced or unbalanced?
a)
Balanced
b)
Unbalanced
113.

a)

Balanced

b)

Unbalanced

114.

a)

Balanced

b)

Unbalanced

115.

a)

Balanced

b)

Unbalanced

116.

A force has both strength and _____.

a)

power

b)

direction

c)

color

d)

balance

117.

Why did Izzy fall when playing tug of war?

a)

he tripped

b)

unbalanced forces

c)

balanced forces

d)

he was pushed

118.

Which of the following is an example of a balanced force?

a)

An airplane taking off.

b)

Kicking a football.

c)

A car slowing down.

d)

A car waiting at a red light.

119.

A car accelerating around a mountain curve.

a)

Balanced Force

b)

Unbalanced Force

120.
Balanced forces can cause
a)
an object to speed up or slow down
b)
an object to stay still or move at a constant speed and direction
121.

Two boys are playing tug-of-war. They both pull on the rope and the rope moves to the left.

a)

The forces are balanced.

b)

The forces are unbalanced.

122.

The dog is pulling on the leash. The boy is also pulling on the leash. They both move to the right. Why?

a)

Because the forces are balanced.

b)

Because the forces are unbalanced.

123.

A soccer ball is on the ground. It is not moving. Are the forces acting on the ball balanced or unbalanced?

a)

The forces acting on the ball are balanced.

b)

The forces acting on the ball are unbalanced.

124.

When an object continues to move in the same direction at the same speed, we consider to the object to be:

a)

Balanced

b)

Unbalanced

125.

When an object changes it motion and starts to accelerate, we consider to the object to be:

a)

Balanced

b)

Unbalanced

126.

For an object to change it's speed or direction, the forces must be:

a)

Balanced

b)

Unbalanced

127.

A ball rolling down a hill and stopping at the bottom is an example of:

a)

Balanced forces

b)

Unbalanced forces

128.

An arm wrestling game, where equal force is applied on both sides.

a)

balanced

b)

unbalanced

129.

When an object does not change its motion:

a)

Balanced forces

b)

Unbalanced forces

c)

Gravity

130.

A boulder sitting at the top of a hill.

a)

Balanced forces are acting on the boudler

b)

Unbalanced forces are acting on the boulder

c)

There are no forces acting on the boulder

131.

A cup falling off a table.

a)

Balanced

b)

Unbalanced

132.

The moon orbiting the Earth at a constant speed.

a)

Balanced Force

b)

Unbalanced Force

133.
What is the net force?
a)
40 N left
b)
0 N Balalnced
c)
400 N right
d)
40 N right
134.
The tendency of an object at rest to stay at rest unless it is acted upon by a force is called ___________________
a)
inertia
b)
motion
c)
gravity
d)
lubricant
135.
A wheeled cart is moving to the right at a constant speed.  Two forces of equal magnitude are acting upon the cart. Which of the following best describes the forces and motion of the cart?
a)
Balanced Forces, Constant Speed
b)
Balanced Forces, Acceleration
c)
Unbalanced Forces, Constant Speed
d)
Unbalanced Forces, Acceleration
136.
How will this object move? 
a)
It won't move. 
b)
It will move to the right. 
c)
It will move to the left. 
d)
It will move up. 
137.
How will this object move? 
a)
It won't move. 
b)
It will move to the right. 
c)
It will move to the left. 
d)
It will move in both directions. 
138.
What is the net force?
a)
30 N left
b)
25 N right
c)
5 N left
d)
55 N right
139.
Calculate the Net Force. 
a)
60N, Left 
b)
40N, Right 
c)
0N
d)
60N, Right
140.
Calculate the Net Force. 
a)
40N, Left
b)
40N, Right
c)
0N, Balanced
d)
75N, Right
141.
If there were no friction, a moving object would keep moving forever.
a)
True
b)
False
142.
To find net force, you must specify the direction in which each force acts. 
a)
True
b)
False
143.
Why does a book on a table not move?
a)
No forces are acting on the book
b)
Gravity is the only force acting on the book
c)
Forces of the table pushing up and gravity pulling down are balanced
144.
What will cause an object to move?
a)
Applied forces
b)
Balanced forces
c)
Unbalanced forces
145.
What is the net force?
a)
400 N Up
b)
400 N Down
c)
- 400 N Down
d)
800 N Down
146.
Forces can change the ________ of a moving object.
a)
direction
b)
push
c)
pull
d)
friction
147.
A box is moving to the left up a ramp. Which way is the force of friction pointing?
a)
down the ramp to the right
b)
up the ramp to the left
c)
there is no friction
d)
straight up
148.
If an object is not moving the forces acting upon it are _____________
a)
unbalanced
b)
weak
c)
balanced
d)
Hulk Smash!
149.
On which surface would friction be the greatest?
a)
carpet
b)
ice
c)
snow
d)
water
150.

A force has both strength and _____.

a)

power

b)

direction

c)

color

d)

balance

151.

Which of these involves balanced and unbalanced forces?

a)

golf

b)

pool (billiards)

c)

hoverboarding

d)

all of these

152.
Which could be an example of a balanced force?
a)
An asteroid moving at a constant speed through space 
b)
A car accelerating from a stop sign
c)
A box of dishes falling from a counter 
d)
A rocket taking off 
153.
Which could be an example of an unbalanced force?
a)
A plate sitting on a dining table
b)
A ball at the top of a hill that is not moving
c)
Earth orbiting the Sun 
d)
A baseball that has been thrown to home plate.
154.
You and your dad are moving the couch from one side to another. Your dad pushes with a force of 35 N to the right and you push with a force of 25 N right. What is the net force on the couch?
a)
60 N right
b)
10 N left
c)
60 n right
d)
50 N left
155.
What is the net force?
a)
40 N left
b)
0 N Balalnced
c)
400 N right
d)
40 N right
156.
What is the net force?
a)
400 N Up
b)
400 N Down
c)
- 400 N Down
d)
800 N Down
157.

Which of the following is an example of an unbalanced force?

a)
b)
c)
d)
158.
How will this object move? 
a)
It won't move. 
b)
It will move to the right. 
c)
It will move to the left. 
d)
It will move up. 
159.
The unit for force is a called a: 
a)
Galileo
b)
Newton
c)
Aristotle
160.
When the resulting force is greater than zero what type of force is acting on the objects? 
a)
balanced force
b)
unbalanced force
161.

The sum of all forces acting on an object is

a)

balanced.

b)

unbalanced.

c)

friction.

d)

the net force.

162.
What is a force?
a)
the PUSH or PULL on an object 
b)
The MOTION an object creates
c)
The objects HITTING one another
d)
Going REALLY FAST
163.
If there are two forces going in the same direction how would you find the net force?
a)
Subtract
b)
Add
c)
Neither
d)
Multiply
164.
You push on a tree with 20 N of Force. If the tree doesn't move, the tree is pushing back on you with _____of Force.
a)
20 N 
b)
40 N 
c)
10 N 
d)
0 N
165.
What are balanced forces?
a)
forces of the same size, in opposite directions
b)
the same size in the same direction
c)
forces in opposite directions
d)
forces at right angles to each other
166.
What is the net force?
a)
17 N Right
b)
3 N Right
c)
3 N Left
d)
17 N Left
167.

If these teams are pulling with the same amount of force what will happen?

a)

The boy in blue will win.

b)

They will not move at all.

c)

The boy in red will win.

d)

Both will fall down.

168.

A card sliding across a table.

a)

Unbalanced force

b)

Balanced force

169.

A cat shoving a glass off a table

a)

Unbalanced force

b)

Balanced force

170.

An airplane taking off

a)

Unbalanced force

b)

Balanced force

171.

When Izzy and Zoe pull on the rope with the same amount of force, the forces are _____.

a)

increased

b)

unbalanced

c)

balanced

d)

decreased

172.

Waving a flag

a)

Unbalanced force

b)

Balanced force

173.

A person standing still while leaning on a wall

a)

Unbalanced force

b)

Balanced force

174.

Parked Car

a)

Balanced Forces

b)

Unbalanced Forces

175.

The moon orbiting the Earth at a constant speed.

a)

Balanced Force

b)

Unbalanced Force

176.

A lamp sitting on a table.

a)

Balanced Force

b)

Unbalanced Force

177.

A car accelerating around a mountain curve.

a)

Balanced Force

b)

Unbalanced Force

178.

The tendency of an object at rest to stay at rest unless it is acted upon by a force is called

a)

gravity

b)

inertia

c)

motion

d)

force

179.

You and your dad are moving the chair from one side to another. Your dad pushes with a force of 35 N to the right and you push with a force of 25 N right. What is the net force on the couch?

a)

60 N right

b)

60 n right

c)

10 N left

d)

9 N left

180.

Which could be an example of an unbalanced force?

a)

Earth orbiting the Sun

b)

A ball at the top of a hill that is not moving

c)

A plate sitting on a stand

d)

A baseball that has been thrown to home plate.

181.

A wheeled cart is moving to the right at a constant speed. Two equal forces are acting upon the cart. Which of the following best describes the forces and motion of the cart?

a)

Unbalanced Forces, Constant Speed

b)

Unbalanced Forces, Acceleration

c)

Balanced Forces, Constant Speed

d)

Balanced Forces, Acceleration

182.

What will cause an object to move?

a)

Unbalanced forces

b)

Balanced forces

c)

Applied forces

183.

A ____________ is a push or a pull on an object.

a)

chemical

b)

gravity

c)

magnet

d)

force

184.

What happens when a cold drink sits in a hot room?

a)

It remains cold

b)

It gets warmer

c)

It starts boiling

d)

It starts to freeze

185.

Dan heats up a sandwich in the microwave. What type of heat transfer is it from the microwave to the sandwich?

a)

convection

b)

conduction

c)

radiation

d)

microwave

186.

Jayden puts his hand in a fire. What heat transfer is it from the fire to Jayden's hand?

a)

Energy

b)

Convection

c)

Radiation

d)

None of the above

187.

Liam is cooking pasta. He starts with just a pot of hot water then he adds the cold pasta how does the pasta get cooked?

a)

conduction

b)

radiation

c)

convection

d)

conduction and convection

188.

Brooks is at recess in a sunny day. He drinks water from his water bottle, the water was hot. how'd the water get hot?

a)

Conduction

b)

Convection

c)

radiation

d)

all of the above

189.

An iron is placed on your clothes to smooth out the wrinkles. The iron transfers heat to your clothes through____???

a)

conduction

b)

convection

c)

radiation

190.

A pot is placed directly on a stove. The pot gets hot due to ???

a)

conduction

b)

convection

c)

radiation

191.
You get sunburned due to __________ from the sun.
a)
conduction
b)
convection
c)
radiation
192.

You are baking a cake. When you open the oven, a gush of warm air flows out toward your face. This warm air is due to???

a)

conduction

b)

convection

c)

radiation

193.

Near the ceiling of a room the air is warmer. The warm air rises because of???

a)

conduction

b)

convection

c)

radiation

194.
Which will most likely occur when raw egg is placed on black pavement on a hot, summer day?
a)
The pavement will conduct the heat and cook the egg.
b)
The egg will reflect the heat and make the pavement hotter underneath.
c)
The egg will absorb the heat  and leave the pavement hotter underneath.
d)
The pavement will absorb the heat from the egg, and the egg will stay raw.
195.
Jordan places a hot spoon into a container of ice cream. How does this help him scoop  out the ice cream? 
a)
The coolness from the ice cream is conducted to the spoon making it easier to scoop out.
b)
The coolness from the ice cream is radiated to the spoon making it easier to scoop out.
c)
The warmth of the spoon is conducted to the ice cream  making it easier to scoop out.
d)
The warmth of the spoon is radiated  to the ice cream making it easier to scoop out.
196.
John put a heat pack on his cold feet. What will most likely be the result?
a)
The cold from John’s feet will  be radiated into  the heat pack.
b)
The warmth of the heat pack will be radiated  onto John’s feet.
c)
The cold from John’s feet will be conducted  into the heat pack.
d)
The warmth of the heat pack will be conducted  onto John’s feet.
197.
Which best describes the process of convection?
a)
Convection is the primary way  heat travels  through rays.
b)
Convection is the primary way heat travels  through metals.
c)
Convection is the primary way heat travels  through appliances.
d)
Convection is the primary way heat travels  through liquids and gasses.
198.

Which type of heat is being transferred in the image?

a)

Conduction

b)

Convection

c)

Radiation

199.

Doug is making popcorn in a oven. He put kernels on a pan in the oven. which type(s) of heat transfer can help cook the popcorn.

a)

conduction

b)

convection

c)

radiation

d)

all of the above

200.

A cat is hanging out several feet from a fire in a fireplace. This causes the kitty cat to get warm. The kitty cat is warm because of...

a)

Convection

b)

Conduction

c)

Radiation

d)

The fur sweater he's wearing!

201.

A cat is hanging out several feet from a fire in a fireplace. This causes the kitty cat to get warm. The kitty cat is warm because of...

a)

Convection

b)

Conduction

c)

Radiation

d)

The fur sweater he's wearing!

202.

A certain type of decorative lamp contains colored liquids. These liquids form globs that break off and rise to the top of the liquid. The globs rise due to

a)

Convection

b)

Conduction

c)

Radiation

d)

Globulation

203.

Near the ceiling of a room, the air is warmer. The warmer air is rising because of

a)

Convection

b)

Conduction

c)

Radiation

d)

It was told to by this crazy fool!

204.

In a swimming pool, the water near the surface is slightly warmer. The temperature of the water near the top rises because of

a)

Convection

b)

Conduction

c)

Radiation

d)

Too many dogs being in the pool!

205.

A fireman that is at a building that is on fire feels a door and it is hot. Why does his hand feel hot?

a)

Convection

b)

Conduction

c)

Radiation

d)

The Human Torch was on the other side!

206.

A huge boulder at the state park in Arizona gets so hot during a mid summer's day. This is due to...

a)

Convection

b)

Conduction

c)

Radiation

d)

Boogie Fever

207.

A house burns down. On the house next to it, the vinyl siding is twisted and warped by the heat. The heat was transferred across to the other house by

a)

Convection

b)

Conduction

c)

Radiation

d)

Marvin the Martian

208.

As you hold a piece of ice, it begins to melt from the warmth of you hand on it. This is because of

a)

Convection

b)

Conduction

c)

Radiation

d)

the fact that you are the Human Torch from the Fantastic Four.

209.

In heat transfer, heat always flows from the _______________ object to the _______________ object.

a)

hotter / colder

b)

colder / hotter

c)

hotter / hotter

d)

colder / colder

210.

Which of the following statements is true regarding heat energy?

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 faster you dance, the quicker you get tired.

Similar Resources on Wayground

Muscular and Skeletal System Functions

211 questions

Muscular and Skeletal System Functions

quiz

Worksheet

•

7th Grade

Unit 5 - Long revision

215 questions

Unit 5 - Long revision

quiz

Worksheet

•

7th Grade