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Gravity

Total questions: 40

Worksheet time: 29mins

Name
Class
Date
1.
What is gravity?
a)
A force
b)
Energy
c)
A push
d)
All of them
2.
Without gravity we would________. 
a)
Float away
b)
Stay in the ground
c)
Nothing would happen.
d)
I don't know
3.
Which object has more mass? 
a)
Ball
b)
Earth
4.
Which object has a GREATER force of gravity?
a)
Ball
b)
Earth
5.
Which objects have a STRONG force of gravity?
a)
Objects with GREATER mass, like elephants
b)
Objects with LESS mass, like mice
6.
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. 
7.
Which has more mass, Earth or the Moon?
a)
Earth
b)
Moon
c)
The same
8.
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. 
9.
What is mass?
a)
How much MATTER makes up an object.
b)
How much GRAVITY is pulling an object.
10.
What is weight?
a)
The measure of how HEAVY something is.
b)
The measure of how much GRAVITY is pulling on an object.
c)
BOTH answers are correct.
d)
None of them.
11.
Where would you weight more, on Earth or on the Moon?
a)
Earth
b)
Moon
12.
Any object with mass has gravity.
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.
Which of the following never changes no matter where in the universe?
a)
weight
b)
force
c)
mass
d)
pounds
15.

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

16.

What is gravity?

a)

North

b)

Light

c)

Force of attraction

d)

South

17.

Find the definition of "orbit."

a)

360 degrees

b)

a curved path that an object makes around another object

c)

a trip

d)

a straight path

18.

What makes the earth follow an orbit around the sun?

a)

the earth's gravity

b)

the moon's gravity

c)

a meteoroid

d)

the sun's gravity

19.

Why is the sun's gravity very strong?

a)

because it is very hot

b)

because it is very small

c)

because it is a sphere

d)

because it is very large

20.
A person would weigh more on Jupiter than on the Earth because---
a)
Jupiter has less mass, and therefore less gravity
b)
Jupiter has more mass, and therefore less gravity.
c)
Jupiter has less mass, and therefore more gravity.
d)
Jupiter has more mass, and therefore more gravity
21.
As distance between two objects increase the pull of gravity 
a)
Increases
b)
Decreases
c)
Stays the same
22.
As mass increases, what happens to gravitational force?
a)
increases
b)
decreases
c)
stays the same
d)
i don't know
23.
Which model has greater gravitational attraction (if any)
a)
Model A
b)
Model B
c)
Both Model A and Model B (same gravity)
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.
How does changing the distance of the string in the model represent the orbits of the planets?
a)
the longer the string means the larger the planet
b)
the longer the string, the longer the orbit time of a planet
c)
the shorter the string, the longer the orbit time of the planet
d)
the shorter the string, the smaller the planet
26.
What is the difference between weight and mass?
a)
Mass is ignorant of direction. On the other hand, weight is a vector quantity; it is direction-aware.
b)
 there isn't much of a change between the two.
c)
Biiiiiig difference, but I'm not sure what it is.
d)
mass is the actual amount of material contained in a body and weight is the force exerted by the gravity.
27.

As mass _____________, gravity _______________

a)

increases, increases

b)

increases, decreases

c)

decreases, increases

d)

stays the same, increases

28.

As mass decreases, gravity ________________

a)

decreases

b)

increases

c)

stays the same

d)

does nothing

29.

As mass increases, gravity _______________

a)

increases

b)

decreases

c)

stays the same

d)

does nothing

30.

Which graph demonstrates how the gravitational force increases while mass increases.

a)
b)
c)
d)
31.

The Sun’s gravity pulls the Earth toward it and keeps it from floating away into space. What keeps the Earth from being pulled into the Sun?

a)

the Sun’s gravity

b)

the Moon’s gravity

c)

the Earth’s gravity

d)

the Earth's sideways motion

32.

The moon and other satellites rotate around the earth. Identify the force that keeps these satellites in orbit.

a)

gravity

b)

friction

c)

a strong force

d)

electromagnetic force

33.

What would happen to the planets in the solar system if the sun’s gravitational force were to suddenly disappear?

a)

They will stop spinning.

b)

They will start moving toward the Sun.

c)

They will stop moving and become static.

d)

They will fly away in straight lines.

34.
The property of a body to resist change in motion.
a)
mass
b)
weight
c)
volume
d)
inertia
35.
Objects with greater _________ also have greater inertia.
a)
speed
b)
mass
c)
temperature
d)
friction
36.
Because of inertia, a resting object will remain at ________.
a)
rest
b)
a constant speed
c)
school
d)
inertia 
37.
Because of inertia, a moving object will keep ________.
a)
at rest
b)
moving
c)
in one spot
d)
inertia 
38.

What two forces affect gravity?

a)

mass and inertia

b)

mass and distance

c)

mass and force

d)

mass and weight

39.
Gravity attracts all objects towards one another.
a)
False
b)
True
c)
It depends
40.
Every object in the universe attracts every other object.
a)
True
b)
False

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