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Gravity Practice Quiz

Total questions: 41

Worksheet time: 10hrs 15mins

Name
Class
Date
1.
A student was challenged to put the planets of the solar system in order by the amount of the force of gravity of each planet. What planet should be listed as having the greatest gravitational force?
a)
Jupiter
b)
Earth
c)
The Sun
d)
Uranus
2.
What is the massive object the planets of our solar system orbit?
a)
Venus
b)
Earth
c)
Jupiter
d)
The Sun
3.

What is the biggest factor in determining the motion of objects in our solar system?

a)

Gravity

b)

Magnetisim

c)

Sunlight

d)

Friction

4.

What determines an objects orbital path?

a)

The shape of the celestial body and its chemical components.

b)

The frictional forces acting on the bodies.

c)

The age of the bodies and their contact with other bodies.

d)

The velocity of the bodies and the force of gravity.

5.

Gravity is increased when:

a)

The distance between the objects increase.

b)

The mass of the object is decreased.

c)

The distance and mass both increase.

d)

The distance decreases and/or the mass increases.

6.

Gravity is decreased when:

a)

The distance between the objects decrease.

b)

The mass of the object is decreased and/or the distance is increased..

c)

The distance and mass both increase.

d)

The distance decreases and/or the mass increases.

7.

What two things affect the strength of gravity?

a)

mass and distance

b)

height and weight

c)

mass and speed

d)

friction and magnetisim

8.

Gravity is defined as:

a)

The speed force located in a time loop.

b)

The frictional force in empty space.

c)

The force of attraction between two or more objects.

d)

The path an object follows in space.

9.

The amount of matter in an object:

a)

mass

b)

gravitational field

c)

inertia

d)

velocity

10.

This picture has an apple falling and a blue arrow shows the direction it is being pulled by

a)

velocity

b)

mass

c)

gravity

d)

weight

11.
Gravity attracts all objects towards one another.
a)
False
b)
True
c)
It depends
d)
I don't care
12.

Any object with mass has a gravitational pull.

a)

True

b)

Sometimes

c)

False

d)

Never

13.
As distance between two objects increase the pull of gravity 
a)
Increases
b)
Decreases
c)
Stays the same
14.
Where would you have to travel to reduce your weight but not lose any mass?
a)
The moon
b)
The Sun
c)
Jupiter
d)
Saturn
15.
A person would weigh more on Jupiter than on the Earth because . . .
a)
Jupiter has more mass, and therefore more gravity
b)
Jupiter has less mass, and therefore more gravity
c)
Jupiter has more mass, and therefore less gravity
d)
Jupiter has less mass and therefore less gravity
16.
Gravity on Mars’ surface is much lower than it is here on Earth. This is because the mass of mars is ______ than Earth.
a)
less
b)
more
c)
the same
17.

As mass increases the force of gravity

a)

Increases

b)

Decreases

c)

Stays the same

18.

Earth's gravity pulls us....

a)

towards the center of Earth

b)

downwards

c)

upwards

d)

outwards

19.
What is gravity?
a)
A force
b)
Energy
c)
A push
d)
All of them
20.
Which objects have a STRONG force of gravity?
a)
Objects with GREATER mass, like elephants
b)
Objects with LESS mass, like mice
21.
Why can astronauts jump and float a little on the Moon?
a)
Because the Moon's gravity is NOT that STRONG.
b)
Because the Moon's gravity is VERY STRONG. 
22.
Do astronauts float away on the moon?
a)
No, because Moon's gravity pulls them down.
b)
Yes, they float and can't even walk!
23.
Objects with GREATER mass have a ______ force of gravity.
a)
STRONGER
b)
NOT TO STRONG
24.
Are astronauts in space and close to Earth being pulled by it?
a)
Yes, that's why they float (but they're actually falling)
b)
No, they don't feel Earth's gravity.
25.
A measure of the amount of matter in an object
a)
mass
b)
weight
c)
gravity
d)
pounds
26.

As mass decreases, what happens to gravitational force?

a)

increases

b)

decreases

c)

stays the same

d)

i don't know

27.

As the distance between two objects decreases, what happens to gravitational force?

a)

increases

b)

decreases

c)

stays the same

d)

I don't know

28.
Which of the following will not change in different gravitational fields?
a)
wieght
b)
force
c)
mass
d)
pounds
29.
Which of the following will change with different gravitational forces?
a)
mass
b)
amount of matter in an object
c)
weight
d)
kilograms
30.
A measure of gravitational force on an object.
a)
gravity
b)
weight
c)
mass
d)
kilograms
31.
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
32.
What do we call the path of an object when it goes around another object?
a)
Orbit
b)
Free Fall
c)
Projectile Motion
d)
Terminal Velocity
33.

How long does it take the Earth to make one rotation on its axis?

a)

365.25 days

b)

24 hours

c)

28 days

d)

12 hours

34.

How long does it take the Earth to orbit around the Sun?

a)

365.25 days

b)

28 days

c)

24 hours

d)

1 month

35.
True or false: When mass increases, gravity increases?
a)
False
b)
True
36.
How does distance affect gravity?
a)
Gravity decreases as distance increases.
b)
Distance decreases as gravity decreases
c)
Distance increases as gravity increases
d)
None of the above
37.
What is the force that pulls the earth towards the sun?
a)
Gravity
b)
inertia
c)
A force
d)
distance
38.

Complete the sentence: The force of gravity depends on...

a)

Gravity

b)

Inertia

c)

Distance and mass

d)

a force

39.
Why a ball falls to the ground?
a)
Earth's force of gravity is GREATER than the ball's, so the ball gets attracted to the ground. 
b)
Earth's force of gravity is LESS than the ball's, so the ball gets attracted to the ground. 
40.

What is the force that acts against gravity in order to keep planets in orbit?

a)

Air resistance

b)

Magnetic fields

c)

Friction

d)

The planet's velocity

41.

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

a)

increase because gravitational force increases

b)

decrease because gravitational force decreases

c)

decrease because gravitational force increases

d)

nothing, weight is not affected by gravitational force

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