wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Year 7 Science - Semester 2 Revision

Total questions: 80

Worksheet time: 2hrs 50mins

Name
Class
Date
1.
What is the net force?
a)
20 N 
b)
0 N 
c)
400 N 
d)
40 N 
2.

What is the unit to MEASURE force?

a)

Kilogram

b)

Meter

c)

Pounds

d)

Newton

3.

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

a)

friction

b)

force

c)

magnet

d)

gravity

4.
What is the net force?
a)
10 N
b)
0 N
c)
25 N
d)
1 N
5.
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.
6.
What is the net force?
a)
20 N 
b)
0 N 
c)
400 N 
d)
40 N 
7.

What is the unit to MEASURE force?

a)

Kilogram

b)

Meter

c)

Pounds

d)

Newton

8.

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

a)

friction

b)

force

c)

magnet

d)

gravity

9.
What is the net force?
a)
10 N
b)
0 N
c)
25 N
d)
1 N
10.
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.
11.
Balanced or unbalanced?
a)
balanced
b)
unbalanced
12.

Forces that have a net force of zero Newtons

a)

Balanced force

b)

Unbalanced force

13.
The sum of all forces acting on an object.
a)
Contact Force
b)
Balanced Force
c)
Unbalanced Force
d)
Net Force
14.
What will cause an object to move?
a)
Applied forces
b)
Balanced forces
c)
Unbalanced forces
15.
Balanced or Unbalanced?
a)
Balanced 
b)
Unbalanced
16.
A push or pull that causes a change in motion
a)
Friction
b)
Gravity
c)
Force
d)
Mass
17.
When forces are _________ the object DOES NOT move.
a)
unbalanced
b)
balanced
c)
heavy
d)
light
18.
When forces are ___________ the object will move.
a)
unbalanced
b)
balanced
c)
light
d)
gravity
19.
What is the net force of an object that is not moving?
a)
0 N
b)
100 N
c)
Upward force
d)
10 N
20.
Calculate the Net Force. 
a)
60N, Left 
b)
40N, Right 
c)
0N
d)
60N, Right
21.
Calculate the Net Force. 
a)
40N, Left
b)
40N, Right
c)
0N, Balanced
d)
75N, Right
22.
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
23.
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.
24.
What is the net force?
a)
400 N Up
b)
400 N Down
c)
- 400 N Down
d)
800 N Down
25.

Which example would be a balanced force?

a)

Train moving at a constant speed in the same direction.

b)

A skier going down a hill.

c)

A basketball being passed to a teammate.

d)

An apple falling to the floor.

26.

Forces that have a net force of zero Newtons

a)

Balanced force

b)

Unbalanced force

27.
The sum of all forces acting on an object.
a)
Contact Force
b)
Balanced Force
c)
Unbalanced Force
d)
Net Force
28.
What will cause an object to move?
a)
Applied forces
b)
Balanced forces
c)
Unbalanced forces
29.
Balanced or Unbalanced?
a)
Balanced 
b)
Unbalanced
30.
Calculate the Net Force. 
a)
60N, Left 
b)
40N, Right 
c)
0N
d)
60N, Right
31.
Calculate the Net Force. 
a)
40N, Left
b)
40N, Right
c)
0N, Balanced
d)
75N, Right
32.
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
33.
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.
34.
What is the net force?
a)
400 N Up
b)
400 N Down
c)
- 400 N Down
d)
800 N Down
35.

Which example would be a balanced force?

a)

Train moving at a constant speed in the same direction.

b)

A skier going down a hill.

c)

A basketball being passed to a teammate.

d)

An apple falling to the floor.

36.

You try to push your laptop across a table but it is not moving. What force might prevent the laptop from sliding?

a)

friction

b)

gravity

c)

magnetism

d)

normal

37.

Given the definition, select the correct vocabulary word: the sum of all the forces acting on a mass

a)

net force

b)

magnetism

c)

gravitational field

d)

magnetic field

38.

Given the definition, select the correct vocabulary word: a property of certain kinds of materials that causes them to attract ion or steel

a)

net force

b)

magnetism

c)

gravitational field

d)

magnetic field

39.

Given the definition, select the correct vocabulary word: an invisible area of gravitational influence around a mass

a)

net force

b)

magnetism

c)

gravitational field

d)

magnetic field

40.

Given the definition, select the correct vocabulary word: an area of magnetic influence around a magnet

a)

net force

b)

magnetism

c)

gravitational field

d)

magnetic field

41.

Given the definition, select the correct vocabulary word: an object that sticks to iron (always a magnet no matter what)

a)

permanent magnet

b)

temporary magnet

c)

attract

d)

repel

42.

Given the definition, select the correct vocabulary word: to pull towards each other

a)

permanent magnet

b)

temporary magnet

c)

attract

d)

repel

43.

Given the definition, select the correct vocabulary word: to push away from each other

a)

permanent magnet

b)

temporary magnet

c)

attract

d)

repel

44.

Select ALL rules of magnetic attraction

a)

opposite poles attract

b)

like poles repel

c)

opposite poles repel

d)

like poles attract

45.
How can friction be reduced?
a)
reduce the force acting between the 2 surfaces
b)
reduce the roughness of the 2 surfaces coming in contact
c)
use wax, grease or oil
d)
all of the above are ways of reducing friction
46.
Which of the following is an example of friction that is harmful?
a)
Pencil marking on paper
b)
Engine parts wearing out
c)
sand placed on ice in the winter
d)
Using an eraser to erase marks
47.
Rougher surfaces have ...
a)
greater friction
b)
less friction
c)
the same level of friction
48.

Friction is a force that ________ the motion of an object.

a)

generates

b)

opposes

c)

creates

d)

adds to

49.
Sally experiences-
a)
Rolling Friction
b)
Sliding Friction
c)
Fluid Friction
d)
Static Friction
50.
Swimming fish experience-
a)
Rolling Friction
b)
Sliding Friction
c)
Fluid Friction
d)
Static Friction
51.
The amount of friction depends on the weight of the objects pressing together.
a)
True
b)
False
52.
What are 2 factors that determine the amount of friction between 2 objects?
a)
Force and roughness between surfaces
b)
hills and valleys and how smooth or rough the surface is
c)
Amount of force and amount of surface the comes in contact
d)
The force and the weight exerted on the surfaces
53.

Which of the following is NOT an example of friction?

a)

using the brakes on your bike to slow you down

b)

putting your hand out the window

c)

a satellite traveling through deep space

d)

a hockey puck going across an ice rink

54.
On which surface will a toy car travel the furthest?
a)
Carpet
b)
Polished Wood
c)
Ice
55.

What type of friction affects a moving car while driving?

a)

fluid friction

b)

sliding friction

c)

rolling friction

d)

fluid and rolling friction

56.

Walking is an example of which type of friction?

a)

fluid

b)

rolling

c)

static

d)

sliding

57.

Applying WD-40 to a squeaky door turns _________ friction into __________ friction.

a)

sliding ---> rolling

b)

sliding ---> fluid

c)

rolling ---> sliding

d)

static ---> rolling

58.

What type of friction will you have when two objects slide against each other?

a)

Sliding

b)

Rolling

c)

Static

d)

Fluid

59.

What type of friction will you see when air or liquid slows an objects movement?

a)

Rolling

b)

Fluid

c)

Static

d)

Sliding

60.

Friction happens because the microscopic hills and valleys of one surface get stuck on the hills and valleys of another surface.

a)

True

b)

False

61.

A football player will use which items to increase friction while playing?

a)

cleats

b)

jersey

c)

gloves

d)

shoulder pads

e)

cleats and gloves

62.

How can friction be helpful?

a)

erosion of topsoil

b)

wearing down of engine parts

c)

allows brakes of a car to operate

d)

holes in socks

63.

How can friction be reduced?

a)

make surfaces rougher

b)

increase force applied to objects in contact

c)

add a lubricant

d)

increase the weight of each object

64.

How is motor oil a real-world application related to friction?

a)

Motor oil is greasy.

b)

Motor oil decreases the friction between engine parts.

c)

Motor oil increases the sliding friction in engine parts.

d)

Motor oil tastes bad.

65.

Only ____________________ can move from one another object to another object when rubbed.

a)

neutron

b)

electron

c)

proton

66.

When two different types of insulators are rubbed together, ____________ electric charges are produced.

a)

mobile

b)

static

c)

no

d)

some

67.

Choose the correct reason why the hair stand and attracted to the balloon when the balloon is rubbed to the hair?

a)

Both balloon and hair are neutral

b)

Both balloon and hair are same charged

c)

The balloon is negatively charged and hair is neutral

d)

The balloon and hair are different charged

68.

What is the result of the force of attraction that exists between the positive charges on the ground and the negative charges in the clouds?

a)

Raining

b)

Lightning

c)

Thunder

d)

Whirlpool

69.
Any object with mass has gravity.
a)
True
b)
Sometimes
c)
False
d)
Never
70.
Which model has greater gravitational attraction (if any)
a)
Model A
b)
Model B
c)
Both Model A and Model B (same gravity)
71.
Which system has the greater gravitational attraction between the two objects (if any)?
a)
System A
b)
System B
c)
Same gravitational attraction fro System A and System B
72.
Two factors effecting the magnitude of the force of gravity between 2 objects are...
a)
mass and distance 
b)
mass and matter
c)
distance and weight 
d)
weight and mass
73.
If Earth's mass was cut in half, what would happen to your mass?
a)
increase because gravitational force increases
b)
decrease because gravitational force decreases
c)
decrease because gravitational force increases
d)
nothing, mass is not affected by gravitational force
74.
The force of gravity acting on an object is the object's ______.
a)
mass
b)
matter
c)
weight 
d)
friction 
75.
What is the SI unit used to measure force? 
a)
pounds 
b)
grams 
c)
newtons 
d)
friction
76.
The amount of matter in an object is 
a)
pressure
b)
weight
c)
mass
d)
force
77.
A person would weigh less on on the Moon than on the Earth because . . .
a)
Moon has more mass, and therefore more gravity
b)
Moon has less mass, and therefore more gravity
c)
Moon has more mass, and therefore less gravity
d)
Moon has less mass and therefore less gravity
78.
The farther apart two objects are, the __ their gravity.
a)
weaker
b)
stronger
c)
more equal
79.
If iron filings are sprinkled around the magnet, what will happen? 
a)
The filings will move away from the magnet's field.
b)
The filings within the magnetic field will show an attraction between the north and south poles.
c)
The filings will not create a pattern.
d)
The filings within the magnetic field will show how the 2 ends of the magnet are repulsive.
80.
Which answer best describes this image?
a)
The positive charge is repelling the negative charge.
b)
The blue charged object will repel the negatively red charged object.
c)
The positively charged red object will be attracted to the negatively charged blue object.

Similar Resources on Wayground

Révisions Seconde maths-sciences

80 questions

Révisions Seconde maths-sciences

quiz

Worksheet

•

1st - 12th Grade

Net Force/Friction/Newton's 3rd Law/Momentum Review

75 questions

Net Force/Friction/Newton's 3rd Law/Momentum Review

quiz

Worksheet

•

6th - 8th Grade

P1 - Energy Equations

80 questions

P1 - Energy Equations

quiz

Worksheet

•

4th - 7th Grade

7th - Chapter 5 Test Thermal Energy

83 questions

7th - Chapter 5 Test Thermal Energy

quiz

Worksheet

•

7th Grade

Ôn tập cuối năm môn vật lý

77 questions

Ôn tập cuối năm môn vật lý

quiz

Worksheet

•

1st Grade - University

magnetism revision

75 questions

magnetism revision

quiz

Worksheet

•

7th - 9th Grade

kiểm tra vật lí 10 kì 1

81 questions

kiểm tra vật lí 10 kì 1

quiz

Worksheet

•

1st - 12th Grade

Energy and Heat Transfer

80 questions

Energy and Heat Transfer

quiz

Worksheet

•

6th - 8th Grade