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Forces Recap Quiz Y7

Total questions: 34

Worksheet time: 23mins

Name
Class
Date
1.

Which model has more gravity?

a)

Model A

b)

Model B

c)

Both models have the same gravity

2.

As mass increases (goes up), what happens to gravity

a)

increases (goes up)

b)

decreases (goes down)

c)

stays the same

d)

it goes up and then down

3.

If Earth's mass was cut by half, what would happen to your mass?

a)

increase because gravity increases

b)

decrease because gravity decreases

c)

decrease because gravity increases

d)

nothing, mass always stays the same

4.
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
5.

Which of the following never changes no matter where we are in the universe?

a)

weight

b)

force

c)

mass

d)

pounds

6.

The amount of matter in an object is this object's

a)

pressure

b)

weight

c)

mass

d)

force

7.
The force of gravity acting on an object is the object's ______.
a)
mass
b)
matter
c)
weight 
d)
friction 
8.

What's the unit of weight?

a)

pounds

b)

grams (g)

c)

newtons (N)

d)

kilograms (kg)

9.
What is gravity?
a)
A force
b)
Energy
c)
A push
d)
All of them
10.

Without gravity we would________.

a)

Float away

b)

Stay in the ground

c)

Nothing would happen

d)

I don't know

11.
Which has more mass, Earth or the Moon?
a)
Earth
b)
Moon
c)
The same
12.

What is mass?

a)

How much STUFF is in an object.

b)

How much GRAVITY is pulling an object.

13.

The scientific unit of weight is

a)

kg

b)

N

c)

pounds

d)

m/s

14.

The scientific unit of mass is

a)

Kg

b)

N

c)

pounds

d)

ounces

15.

Calculate the weight of a person whose mass is 75kg on the moon. The moon's gravity is 1.6 N/kg.


weight = mass x gravity

a)

120kg

b)

120N

c)

12cm

d)

£120

16.

Calculate the weight of a dog on Uranus. The dog's mass is 45kg. The Uranus' gravity is 8.87 N/kg.


weight = mass x gravity

a)

380N

b)

399.15N

c)

5.07N

d)

399.15kg

17.

If the mass of an object is 1000 kg on Earth, what is its mass on the moon?

a)

10kg

b)

100kg

c)

1000kg

d)

10,000kg

18.

Which is the correct equation for calculating weight?

a)

weight = mass + gravity

b)

weight = mass x gravity

c)

weight = mass - gravity

d)

weight = mass / gravity

19.

Mass ....

a)

changes depending on how much gravity is acting on it

b)

is always different

c)

never changes no matter where you are

d)

is never the same

20.

If my mass on Earth was 56 kg, then my mass on the moon would be...


Moon's gravity is 1.6N/kg


Weight = mass x gravity

a)

56N

b)

89.6 N

c)

56 kg

d)

89.6 kg

21.

Which ones are examples of forces?

a)

gravity

b)

twist

c)

friction

d)

air resistance

22.

How do we measure forces?

a)

Newtons

b)

metres

c)

pounds

d)

Celsius

23.

What is true about this image?

a)

It shows unbalance forces.

b)

It shows balanced forces.

c)

The people on the right are winning.

d)

The people on the left are winning.

24.

What is true about this picture?

a)

the forces are balanced

b)

the forces are unbalanced

25.
If an object is not moving the forces acting upon it are _____________
a)
unbalanced
b)
weak
c)
balanced
d)
Hulk Smash!
26.
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.
27.
Are forces balanced or unbalanced when a marble rolls down a ramp?
a)
Balanced
b)
Unbalanced
28.
Are the forces acting on the rope balanced or unbalanced?
a)
Balanced
b)
Unbalanced
29.
Are the forces acting on the rope balanced or unbalanced?
a)
Balanced
b)
Unbalanced
30.

What force is slowing this car down?

a)

gravity

b)

magnetism

c)

twist

d)

air resistance

31.

What is the name of the force that keeps our feet on the ground?

a)

gravity

b)

air resistance

c)

push

d)

upthrust

32.

A force can change an object's shape

a)

true

b)

false

33.

A force can change an object's speed

a)

true

b)

false

34.

A force CAN'T change an object's direction

a)

true

b)

false

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