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Lesson 7 & 8 Gravity

Total questions: 82

Worksheet time: 1hrs 14mins

Name
Class
Date
1.
What is gravity?
a)
A force
b)
Energy
c)
A push
d)
All of them
2.

Which has more mass, the Earth or the Moon?

a)

Earth

b)

Moon

c)

Their masses are the same

3.

Which has a STRONGER force of gravity, the Earth or the Moon?

a)

Earth

b)

Moon

4.
Any object with mass has gravity.
a)
True
b)
Sometimes
c)
False
d)
Never
5.

What two things determine the gravity of an object?

a)

mass & weight

b)

mass & distance

c)

density & mass

d)

volume & distance

6.

When will the forces of gravity between two objects be the GREATEST?

a)

when the masses of both objects are small and the objects are far apart

b)

when the masses of both objects are large and the objects are close together

c)

when the masses of both objects are small and the objects are close together

d)

when the masses of both objects are large and the objects are far apart

7.

Which statement about gravity is true?

a)

gravity causes objects to pull towards one another

b)

gravity causes objects to push away from each other

c)

gravity only takes place between planets

d)

the moon doesn't have any gravity

8.

Which model has greater gravitational attraction.

a)

Model A

b)

Model B

c)

Model A and B have the same amount of gravitational attraction.

9.

What keeps the planets in orbit around the sun?

a)

gravity

b)

friction

c)

density

d)

distance

10.

When will the gravity between two objects be the LEAST?

a)

when the masses of both objects is small and the objects are close together

b)

when the masses of both objects is small and the objects are far apart

c)

when the masses of both objects is large and the objects are close together

d)

when the masses of both objects is large and the objects are far apart

11.
Gravity attracts all objects towards one another. 
a)
True
b)
False 
12.
As distance between objects increases the pull of gravity...
a)
increases 
b)
decreases 
c)
Stays the same 
13.
An example of a gravitational interaction is that the Earth... 
a)
orbits the sun
b)
orbits the moon
c)
orbits other planets 
d)
None of the above 
14.
__________holds all of the planets in orbit around the sun.
a)
Force
b)
Motion
c)
Weight
d)
Gravity
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.
Which of the following will not change in different gravitational fields?
a)
weight
b)
force
c)
mass
d)
pounds
17.

What two things determine the gravity of an object?

a)

mass & weight

b)

mass & distance

c)

density & mass

d)

volume & distance

18.
Any object with mass has gravity.
a)
True
b)
Sometimes
c)
False
d)
Never
19.
The law of universal gravitation is credited to whom?
a)
Einstein
b)
Galileo
c)
Darwin
d)
Newton
20.
The amount of matter in an object is 
a)
pressure
b)
weight
c)
mass
d)
force
21.
Which of the following never changes no matter where in the universe?
a)
weight
b)
force
c)
mass
d)
pounds
22.
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
23.
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. 
24.
Which has more mass, Earth or the Moon?
a)
Earth
b)
Moon
c)
The same
25.
Which has a STRONGER force of gravity, Earth or the Moon?
a)
Earth
b)
Moon
26.
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. 
27.
Is weight AFFECTED by gravity?
a)
YES, depending on the force of gravity is how much you weight.
b)
NO, it is not related.
28.
What is mass?
a)
How much MATTER makes up an object.
b)
How much GRAVITY is pulling an object.
29.
Where would you have more mass, on Earth or on the Moon?
a)
Earth
b)
Moon
c)
IS THE SAME, mass DOESN'T CHANGE
d)
In both Planets.
30.
What is the definition of "weight"?
a)
measure of the force of gravity on your body
b)
the time it takes to get on a ride 
c)
the amount of matter in an object
d)
the size of an object
31.

As mass increases, what happens to gravitational force?

a)

increases

b)

decreases

c)

stays the same

32.
When mass increases then gravity
a)
Decreases
b)
Increases
c)
Stays the same
33.

Which of the following has the strongest gravitational pull?

a)

The Earth

b)

Mars

c)

The Sun

34.

How much gravity an object has depends on it's _______

a)

Speed

b)

Mass

c)

Acceleration

35.
The amount of matter in an object is 
a)
pressure
b)
weight
c)
mass
d)
force
36.

Units used to measure Mass of an object

a)

Centimeters

b)

Milliliters

c)

Grams

37.
The tendency of an object to resist changes in its motion is...
a)
inertia
b)
force
c)
acceleration
d)
velocity
38.
Any push or pull on an object.
a)
force
b)
velocity 
c)
inertia
d)
momentum
39.
A Newton is a unit of...
a)
force
b)
inertia
c)
acceleration
d)
velocity
40.
You are carrying a lunch tray when you bump into the edge of a table.  Although the tray did not tip, your milk falls off of the front of the tray.
a)
Newton's
1st
Law of Motion
b)
Newton's
2nd
Law of Motion
c)
Newton's
3rd
Law of Motion
41.
This person bought coffee and put it on the seat next to them. If they stopped quickly and the coffee spilled which law would that represent?
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
42.

What is another name for Newton’s 1st law?

a)

Law of Inertia

b)

Law of Acceleration

c)

Law of Action/Reaction

43.

What is the formula for the law of acceleration?

a)

M = F x A

b)

F = M x A

c)

A = F x M

44.
For every action, there is an equal and opposite reaction.
a)
Newton's
1st
Law of Motion
b)
Newton's
2nd
Law of Motion
c)
Newton's
3rd
Law of Motion
45.
If an object is stationary (not moving) the forces acting upon it are _____________
a)
unbalanced
b)
weak
c)
balanced
d)
Hulk Smash!
46.

Which of Newton's laws is shown

a)

1st law

b)

3rd law

c)

2nd law

47.
Which one is balanced?
a)
top
b)
bottom
c)
both
d)
neither
48.

An object in motion stops when.....

a)

It falls of an edge.

b)

it is acted upon by an outside force.

c)

It is eaten

d)

It never stops

49.

The formula for Force is:

a)

Force= Magnet x Acceleration

b)

Force= Mass x Acceleration

c)

Force= Mass x Arsenic

d)

Funny= Monkey x Arrive

50.

When you push a boat off from the dock, you are demonstrating Newton's 3rd Law of Motion. It simply states that for every action there is an equal and opposite _______________?

a)

Motion

b)

Reaction

c)

Change

d)

Push

51.

Newtons 3rd Law of Motion states:

a)

An object at rest will remain at rest unless acted upon by an outside force.

b)

For every action, there is an equal and opposite reaction

c)

The greater the mass of an object, the more force it will take to accelerate the object

52.

It takes more force to accelerate the iron man on the left than the iron man on the right because the iron man on the left has more mass. This best describes

a)

Newton's first law, the law of inertia

b)

Newton's second law, the law of acceleration

c)

Newton's third law, the law of action reaction

d)

The law of universal gravitation

53.

What is Newton's 1st law?

a)

Law of Force and Acceleration

b)

Law of Inertia

c)

Law of Action-Reaction

d)

Law of motion

54.

Newton's Universal Law of Gravitation explained about...

a)

Gravitational force

b)

Magnetic force

c)

Centripetal force

55.

what is the factors that affect gravitational force

a)

mass, distance

b)

speed, distance

c)

momentum, mass

56.

what is the relationship between mass of object and distance between objects..

a)

mass increase, gravitational force increase

b)

mass increase, gravitational force decrease

c)

mass decrease, gravitational force increase

57.

Newton's Law of Universal Gravitation affects

a)

All objects with mass in the known universe

b)

All objects and empty space in the known universe

c)

Thoughts and Ideas

d)

Only things that are the color red

58.

If one of two objects increases its mass, it _________ the gravitational pull between the two objects

a)

increases

b)

decreases

c)

has no effect on

d)

eliminates

59.

If one of two objects decreases its mass, it _________ the gravitational pull between the two objects

a)

increases

b)

decreases

c)

has no effect on

d)

eliminates

60.

If two objects increase their distance, it _________ the gravitational pull between the two objects

a)

increases

b)

decreases

c)

has no effect on

d)

eliminates

61.

If two objects decreases their distance, it _________ the gravitational pull between the two objects

a)

increases

b)

decreases

c)

has no effect on

d)

eliminates

62.

Every object with mass is gravitationally attracted to each other object with mass in the entire universe.

a)

True

b)

False

63.

Which of the following laboratory tools is used to measure the mass of an object?

a)
b)
c)
d)
64.

Which object in our solar system has the greatest mass?

a)

Mercury

b)

Sun

c)

Jupiter

d)

Earth

65.

The amount of matter in an object is known as its _______.

a)

Volume

b)

Weight

c)

Mass

d)

Density

66.

Gravity depends on which of the following:

a)

Mass

b)

Volume

c)

Radius

d)

Surface area

67.

True or False: The greater the mass of an object, the greater the amount of gravitational force it has.

a)

True

b)

False

68.

How does the time it takes for a planet to orbit the sun change as you move through the solar system?

a)

Planets furthest from the sun take the longest time to orbit.

b)

Planets closest to the sun take the longest time to orbit.

c)

The time to orbit is about the same for all planets.

d)

Inner planets have long orbits and outer planets have short orbits.

69.

Weight is constant.

a)

True

b)

False

70.
The force of gravity acting on an object is the object's ______.
a)
mass
b)
matter
c)
weight 
d)
friction 
71.
The amount of matter in an object is 
a)
pressure
b)
weight
c)
mass
d)
force
72.
The scientific unit of weight is
a)
Kg
b)
N
c)
pounds
d)
Kgm/s
73.
The scientific unit for mass is
a)
Kg
b)
N
c)
pounds
d)
ounces
74.
If an object has more mass, then it will
a)
weigh more.
b)
weigh less.
c)
weigh the same as an object with less mass.
d)
always have more volume than an object with less mass.
75.
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
76.
Which objects have a STRONG force of gravity?
a)
Objects with GREATER mass, like elephants
b)
Objects with LESS mass, like mice
77.
The force of gravity acting on an object is the object's ______.
a)
mass
b)
matter
c)
weight 
d)
friction 
78.
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
79.
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
80.
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
81.

Weight is _________.

a)

the quantity of matter in an object.

b)

the measure of an object's inertia.

c)

the force exerted by gravity on an object's mass.

d)

equal to the mass of an object.

82.

Weight is constant.

a)

True

b)

False

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