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KS3 Mass, weight and gravity

Total questions: 30

Worksheet time: 29mins

Name
Class
Date
1.

The further the distance between objects, the ...

a)

the stronger the gravitational attraction becomes

b)

the weaker the gravitational attraction becomes

c)

the gravitational attraction stays the same

2.

Which statement is true?

a)

An object will have the same mass on different planets but a different weight

b)

An object will have a different mass on different planets but the weight will stay the same

c)

An object will have the same mass and weight on different planets

3.

What unit is weight measured in?

a)

Grams

b)

Kilograms

c)

Newtons

d)

N/Kg

4.

What unit is mass measured in?

a)

Grams

b)

Kilograms

c)

Newtons

d)

N/Kg

5.

The sun is at the centre of our solar system, it is a ....

a)

planet

b)

star

c)

galaxy

d)

moon

6.

How many planets orbit around the sun?

a)

7

b)

9

c)

8

d)

10

7.

What planet is closest to the sun?

a)

Neptune

b)

Earth

c)

Mercury

d)

Venus

8.

How long does it take for the Earth to complete one rotation about its axis?

a)

24 hours

b)

1 month

c)

1 year

9.

How long does it take for the Earth to orbit the sun once?

a)

24 hours

b)

1 month

c)

365 1/4 days

10.

What causes the seasons?

a)

The Earths rotation

b)

The Earths tilt

c)

The moon

d)

The weather

11.
The force of gravity acting on an object is the object's ______.
a)
mass
b)
matter
c)
weight 
d)
friction 
12.
The amount of matter in an object is 
a)
pressure
b)
weight
c)
mass
d)
force
13.
Which of the following never changes no matter where in the universe?
a)
weight
b)
force
c)
mass
d)
pounds
14.
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
15.
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
16.
The force of gravity on Jupiter is a little more than 2 times the gravitational force on Earth. If an object has a mass of 50 kg and a weight of 490 N on Earth, what would be the object's approximate mass and weight on Jupiter?
a)
50 kg and 490 N
b)
100 kg and 490 N
c)
50 kg and 980 N
d)
100 kg and 980 N
17.
Gravity attracts all objects towards one another.
a)
False
b)
True
c)
It depends
18.
What is gravity?
a)
A force
b)
Energy
c)
A push
d)
All of them
19.
If an object mass =30 Kg on the Earth, what would be it's weight on Earth?
a)
30 N
b)
300 kg
c)
3000N
d)
300 N
20.
If the mass of an object is 1000 kg on Earth, what is it's mass on the moon?
a)
10kg
b)
100kg
c)
1000kg
d)
10,000kg
21.

What is missing?

a)

D

b)

N

c)

W

d)

L

22.
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
23.
If a bowling ball and a feather were dropped at the same time, in a room with no air resistance (vacuum), which object will hit the ground first?
a)
Bowling Ball
b)
Feather
c)
Both would hit at the same time
d)
Neither one would hit the ground because air is what pushing things down.
24.
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
25.
Which model has greater gravitational attraction (if any)
a)
Model A
b)
Model B
c)
Both Model A and Model B (same gravity)
26.

Why do all of the planets orbit the sun rather than Earth?

a)

the sun has more mass

b)

the sun is a star

c)

the Earth is heavier

d)

the sun is in the middle of the milky way

27.

Weight is constant.

a)

True

b)

False

28.

You have a ball with a weight of 76N. What is the mass of the ball?

a)

76N

b)

76kg

c)

7.6kg

d)

7.6N

29.

What do you use to measure the weight of an object?

a)
b)
c)
d)
30.

If the weight of a body on the Earth's surface is 600 N, what would be it's weight in the space?

a)

600 N

b)

less than 600 N

c)

more than 600 N

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