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Sci grade 5 2nd Quarter revision

Total questions: 85

Worksheet time: 3hrs 1mins

Name
Class
Date
1.

Which is the first law?

a)

Law of gravity

b)

Law of inertia

c)

Law of motion

2.

What is the second law about?

a)

how much an object will accelerate for a given net force

b)

Every object that goes up will go down again because of gravity

3.

Who created the three laws of motion?

a)

Albert Einstein

b)

Stephen Hawking

c)

Isaac Newton

d)

Kendall Jenner

4.

What is F = ma?

a)

Force, motion, action

b)

Force, mass, acceleration

c)

Force, muscle, action

5.

how many laws are they?

a)

2

b)

5

c)

3.14

d)

3

6.

“For every action, there is an equal and opposite reaction”.

a)

First law

b)

Second law

c)

Third law

d)

All of the above

7.

I move a chair, the chair stops moving if I stop moving it

a)

First law

b)

Second law

c)

Third law

d)

Choclos

8.

Which of Newton's three laws does the following example illustrate? If you have a hockey puck sliding along a table, it will eventually come to a stop.

a)

first law

b)

second law

c)

Third law

9.

Why are these laws important?

a)

They lay the groundwork for later physics developments

b)

They are the first laws made by humans

c)

They were discovered by accident

10.

What is this picture about?

a)

3rd law of motion

b)

2 girls diving

c)

1st law of motion

d)

Choclos

11.

Which of these is not one of the laws?

a)

Inertia

b)

F=ma

c)

gravity is all around us

d)

When one body puts force on another body, the other body exerts a force in opposite in direction on the first body.

12.

Force is measured in...

a)

pounds

b)

Strongness

c)

Newtons

d)

FLOCCINAUCINIHILIPILIFICATION

13.

the absolute unit of force

a)

Newtons

b)

Hulk

c)

kg

d)

Shaq

14.

Why do we have to wear seatbelts?

a)

Inertia

b)

Gravity

c)

Force

d)

acceleration

15.

How long will an object remain in rest?

a)

Until a force acts on it

b)

Until god wants

c)

Its not moving anyway....

d)

5 minutes more

16.

Why is it hard to move a bed from one side to another?

a)

Friction

b)

Gravity

c)

Deceleration

d)

Bad luck

17.

Why is it harder to push bowling balls than pushing basketballs?

a)

Bowling balls have more mass

b)

Basketball is the better sport

c)

Bowling balls have more friction

18.

Why do you move left when a car moves right?

a)

Inertia

b)

Gravity

c)

Force

19.

What is Newton’s law

a)

One of the people to make laws for the us

b)

Laws of motion

c)

Laws of gravity

20.

finish the law “every action has a equal....

a)

Answer

b)

Reactions

c)

And

d)

and opposite reaction

21.

what laws are Newton’s law select all the apply

a)

Gravity exists

b)

For every action there is an equal and opposite reaction.

c)

Every object in a state of uniform motion will remain in that state of motion unless an external force acts on it.

d)

All of the above

e)

Force equals mass times acceleration

22.

Why dose every action have an equal and opposite reaction.

a)

Forces

b)

Gravity

c)

pressure

d)

All of the above

23.

why is there Newton’s law?

a)

So we know the laws of forces

b)

So we know the laws of gravity

c)

So we know the law

d)

All of the above

24.
A magician pulls a tablecloth out from under dishes and glasses on a table without disturbing them.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
25.
This person bought coffee and put it on the seat next to them. If they stopped quickly and the coffee spilled which law would that represent?
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
26.
Force = Mass x Acceleration
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 4th Law
27.
To compare the two pictures would require...
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 11th Law
28.
Which has more Inertia? 
a)
Truck
b)
Ant
c)
A cat
d)
A skateboard
29.

A 20 kg bike accelerates at 10 m/s2. what was the force?

a)

25 N

b)

200 N

c)

20 N

d)

10 N

30.
Suppose that a sled is accelerating at a rate of 2 m/s2. If the net force is tripled then what is the new acceleration of the sled?
a)
12 m/s/s
b)
6 m/s/s
c)
12 in/s/s
d)
120 m/s/s
31.
True of False?
An object's inertia is effected by its mass.
a)
False
b)
True
32.
What law of motion does this picture represent?
a)
Newtons 3rd law
b)
Newtons 4th law
c)
Newtons 1st law
d)
Newtons 2nd law 
33.
What law of motion does this picture represent?
a)
Newtons 1st law
b)
law of gravity 
c)
Newtons 4th law 
d)
Newtons 2nd law
34.

Friction is a force that acts:

a)

in the same direction as the motion.

b)

opposite to the direction of the motion.

c)

opposite to the applied forces.

d)

the same direction as the applied force.

35.

What law describes what happens if you are riding a skateboard and hit something (like a rock) with the front wheels and you fall off.

a)

Newtons 3rd law

b)

Newtons 1st law

c)

Law of gravity

d)

Law of movement

36.

True or False. Acceleration of an object is directly proportional to the net force acting on it?

a)

True

b)

False

37.
Which type of force(s) will cause a change in an object's motion?
a)
gravity
b)
zero net force
c)
balanced forces
d)
unbalanced forces
38.

Which law says that pushing a child on a swing is easier than pushing an adult on the same swing.

a)

1st Law .

b)

2nd Law.

c)

3rd Law.

39.
What surface would probably offer the least friction if you were to slide a box across it?
a)
glass
b)
wood
c)
carpet
d)
brick
40.
Which describes friction?
a)
a unit that is a measure of speed
b)
a force that works against gravity
c)
a form of energy that depends on light and heat
d)
a force that opposes motion between two surfaces that are touching
41.
The force of gravity acting on an object is the object's ______.
a)
Mass
b)
Matter
c)
Weight 
d)
Terminal velocity 
42.
The rougher the surface, the faster an object will travel over the surface.
a)
True
b)
False
43.
What two forces act on a skydiver?
a)
Gravity and Air resistance
b)
Gravity and Falling friction
c)
Gravity and static fricion
d)
Gravity and pull
44.
What is a force?
a)
Motion
b)
Work
c)
Push or a pull
d)
What Luke Skywalker does
45.
When is there a change in motion?
a)
When the forces are balanced.
b)
When the forces are unbalanced.
c)
Never.
d)
When the forces are equal.
46.

What are pushes and pulls?

a)

kinds of force

b)

kinds of movement

c)

kinds of speed

47.

What can you do to make a swing go higher?

a)

Push it more gently

b)

Push it harder

c)

Stop Pushing

48.

Something that is moving is in _________.

a)

force

b)

motion

c)

change

49.

A __________ is a push or pull.

a)

juggler

b)

motion

c)

force

50.

A force that moves something away from you.

a)

push

b)

pull

51.
The force that opposes the motion of two surfaces sliding past each other is called ___________.
a)
acceleration
b)
inertia
c)
friction
d)
unbalanced
52.
What are balanced forces?
a)
Forces in the same direction
b)
Forces of the same size
c)
forces of the same size in opposite directions
53.
What is the unit of force?
a)
Kilogram
b)
Meter
c)
Pascal
d)
Newton
54.
What type of force?
a)
Magnetic
b)
Gravitational
c)
Applied
d)
Normal
55.
What force brings the pencil down?
a)
Applied
b)
Magnetic
c)
Normal
d)
Gravitational
56.
What happens when two north poles of a magnet are placed together?
a)
they repel
b)
they attract
c)
they cancel each other out
d)
the strength of the magnet is doubled
57.
A north pole and a south pole will attract.
a)
True
b)
False
58.

If the net force is equal to zero, the forces acting on the object are

a)

balanced

b)

unbalanced

59.
What force holds the planets in motion around the sun?
a)
Magnetic
b)
Electrical
c)
Gravitational
d)
Air Resistance
60.
What does the strength of gravity between two objects depend upon?
a)
Mass & distance
b)
Mass & weight
c)
Gravity & inertia
d)
Inertia & mass
61.
What force ultimately slows the roller coaster to a stop?
a)
Applied
b)
Normal
c)
Friction
d)
Magnetic
62.
Jupiter has about 317 times more mass than Earth. What can you infer from this fact? 
a)
That Jupiter’s gravitational force is much weaker than on Earth’s gravitational force.
b)
That Jupiter’s gravitational force is much stronger than Earth’s gravitational force.
c)
That Jupiter’s and Earth’s gravitational forces are equal.
d)
Mass has no effect on the gravitational force between two objects
63.

If the net force is equal to zero, the forces acting on the object are

a)

balanced

b)

unbalanced

64.
Balanced forces do not change the objects speed or 
a)
direction
b)
distance 
c)
time
d)
mass
65.
The unit of force is
a)
m/s
b)
m/s^2
c)
newton
d)
kg
66.
What is the net force?
a)
5000 N right
b)
4000 N right
c)
40 N left
d)
4000 N left
67.
Jonny and Patty are pushing against a basketball. Both of them push against theball on opposite sides with a force of 20 N to keep the ball still. What is the net force?
a)
400 N
b)
24 N
c)
0 N
d)
40 N
68.
What is the net force in this picture?
a)
50 Newtons to the right
b)
950 Newtons to the right
c)
950 Newtons to the left
d)
50 Newtons to the left
69.
What is it called when the force of gravity is acting on an object?
a)
Weight
b)
Sliding Friction
c)
Momentum
d)
Projectile Motion
70.

What is the net force?

a)

3 N

b)

3 N, right

c)

17 N, right

d)

3 N, left

71.
Who wins the tug of war with what net force?
a)
The person on the left with 20 N
b)
The person on the left with 80 N
c)
The people on the right with 20 N
d)
The people on the right with 100 N
72.
What is the net force?
a)
20 N 
b)
0 N 
c)
400 N 
d)
40 N 
73.

What is the unit to MEASURE force?

a)

Kilogram

b)

Meter

c)

Pounds

d)

Newton

74.

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

a)

friction

b)

force

c)

magnet

d)

gravity

75.
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.
76.
Balanced or unbalanced?
a)
balanced
b)
unbalanced
77.

Forces that have a net force of zero Newtons

a)

Balanced force

b)

Unbalanced force

78.
The sum of all forces acting on an object.
a)
Contact Force
b)
Balanced Force
c)
Unbalanced Force
d)
Net Force
79.
What will cause an object to move?
a)
Applied forces
b)
Balanced forces
c)
Unbalanced forces
80.
Calculate the Net Force. 
a)
60N, Left 
b)
40N, Right 
c)
0N
d)
60N, Right
81.
What is a Force?
a)
The distance
b)
Mass
c)
A push or pull
d)
Give me a  failing grade 
82.
All objects in the universe have a gravitational attraction to each other. 
a)
True
b)
False
83.
This type of force resist motion between two surfaces that are pressed together
a)
contact
b)
gravity
c)
friction
84.

If both forces are going in the same direction you should______ those forces

a)

Add

b)

Subtract

c)

Divide

d)

Multiply

85.

When forces are going in the opposite direction of each other you should do what do find the net force

a)

Subtract

b)

Add

c)

Divide

d)

Multiply

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