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6.1.2 Gravity & Inertia

Total questions: 30

Worksheet time: 22mins

Name
Class
Date
1.

A measure of the amount of matter in an object

a)

matter

b)

mass

c)

volume

d)

force

2.

The attraction of one particle or body to another

a)

mass

b)

force

c)

friction

d)

gravity

3.

Larger masses have a

a)

weaker gravitational force

b)

stronger gravitational force

c)

equal gravitational force

4.

Holds the Earth and other planets in orbit around the Sun.

a)

The Sun's gravitational force

b)

The moon's gravitational force

c)

The Earth's gravitational force

d)

The lack of gravitational force

5.

moons orbit

a)

other moons

b)

the Sun

c)

asteroids

d)

planets

6.
Because of inertia, a moving object will keep ________.
a)
at rest
b)
moving
c)
in one spot
d)
inertia 
7.
Because of inertia, a resting object will remain at ________.
a)
rest
b)
a constant speed
c)
school
d)
inertia 
8.

Which model has greater gravitational attraction (if any)

a)

Model A

b)

Model B

c)

Both Model A and Model B (same gravity)

9.
Which of the following will change with different gravitational forces?
a)
mass
b)
amount of matter in an object
c)
weight
d)
kilograms
10.
the tendency of an object to resist a change in its motion
a)
acceleration
b)
inertia
c)
mass
d)
frame of reference
11.
Objects with greater _________ also have greater inertia.
a)
speed
b)
mass
c)
temperature
d)
friction
12.

The measure of how fast an object is going is called _______.

a)

frame of reference

b)

speed

c)

force

d)

displacement

13.

The amount of matter in an object is called ______________.

a)

displacement

b)

mass

c)

friction

d)

friction

14.

What two forces affect gravity?

a)

mass and inertia

b)

mass and distance

c)

mass and force

d)

mass and weight

15.
What forces cause a planet to orbit?
a)
gravity and orbit
b)
gravity and inertia
c)
gravity and mass
d)
gravity and weight
16.
What would happen to the planets in the solar system if the sun’s gravitational force were to suddenly disappear?
a)
They will stop moving and become static.
b)
They will stop spinning.
c)
They will fly away in straight lines.
d)
They will start moving toward the Sun
17.
Which planet has the greatest attraction to the sun?
a)
Mercury
b)
Venus
c)
Earth
d)
Mars
18.

As distance between objects increases, the pull of gravity...

a)

increases

b)

decreases

c)

Stays the same

19.
Which of the following never changes no matter where you are in the universe? 
a)
Pounds 
b)
weight 
c)
Force
d)
Mass
20.
A person weights _______ on the moon than they do on Earth.
a)
the same
b)
more
c)
less
21.

Choose the image that has the most gravitational pull:

a)
b)
22.

As mass increases, what happens to gravitational force?

a)

increases

b)

decreases

c)

stays the same

23.

As distance increases, what happens to gravitational force?

a)

increases

b)

decreases

c)

stays the same

24.
Which System has the greater gravitational pull between the two objects?
a)
System 1
b)
System 2
c)
Same: there is no gravitational attraction between the two objects
25.

If the force of gravity from the Sun were to suddenly disappear, Earth would ____

a)

Continue to travel in a straight path

b)

Continue to move in a curve around the Sun

c)

Continue to move in a curve, but the curve would be larger

d)

Stop moving completely

26.

What two factors affect the pull of gravity on an object? (choose ALL that are true)

a)

How far away an object is

b)

The mass of an object

c)

The name of the planet

d)

How many people are on the planet

27.

You travel to the Moon. Which of the following is true? (choose ALL that are true)

a)

Your mass stays the same

b)

Your weight stays the same

c)

Your mass is different

d)

Your weight is different

28.

When you travel to a planet, like Jupiter, where the force of gravity is greater than on Earth, _____

a)

You will "weigh more" than on Earth

b)

You will "weigh less" than on Earth

c)

You will have "less mass" than on Earth

d)

You will have "more mass" than on Earth

29.
The strength of the force of gravity between two objects depends on _____ factors
a)
The masses of objects and the gravitational pull
b)
The mass of the planet and the mass of the object
c)
The masses of objects and the distance between them
d)
All of the above
30.
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