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WorksheetsGravity & Inertia Review
Total questions: 36
Worksheet time: 48mins
Name
Class
Date
1.
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
2.
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
3.
As distance between two objects increase the pull of gravity
a)
Increases
b)
Decreases
c)
Stays the same
4.
What is the SI unit used to measure force?
a)
pounds
b)
grams
c)
newtons
d)
friction
5.
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
6.
The amount of matter in an object is
a)
pressure
b)
weight
c)
mass
d)
force
7.
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
8.
________ hold all of the planets in orbit around the sun.
a)
gravity
b)
string
c)
Bill Nye
d)
duct tape
9.
The movement of an object around another object. In space, this is usually an ellipse or oval shape.
a)
Tilt of Earth's axis
b)
Rotation
c)
Revolution
d)
Ellipitical
10.
Shape of the Earth's orbit around the sun
a)
Tilt of Earth's axis
b)
Rotation
c)
Revolution
d)
Ellipitical
11.
The path of an object as it revolves around another object in space
a)
Tilt of Earth's axis
b)
Rotation
c)
Revolution
d)
Orbit
12.
Which force in the Solar System is similar to the tension in the string?
a)
Friction
b)
Inertia
c)
Force
d)
Gravity
13.
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
14.
What is the tendency of an object to resist a change in motion?
a)
coffee
b)
motion
c)
inertia
d)
gravity
15.
What two main factors keep a planet in motion?
a)
mass and size
b)
weight and mass
c)
force and motion
d)
gravity and inertia
16.
As distance between two objects increase, the pull of gravity
a)
Increases
b)
Decreases
c)
Stays the same
17.
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
18.
What is the net force?
a)
40 N left
b)
0 N Balalnced
c)
400 N right
d)
40 N right
19.
Inertia is the tendency of an object to resist a change in its ___________.
a)
temperature
b)
shape
c)
size
d)
motion
20.
Objects with greater _________ also have greater inertia.
a)
speed
b)
mass
c)
temperature
d)
friction
21.
Because of inertia, a resting object will remain at ________.
a)
rest
b)
a constant speed
c)
school
d)
inertia
22.
Because of inertia, a moving object will keep ________.
a)
at rest
b)
moving
c)
in one spot
d)
inertia
23.
To change the motion of an object, inertia must be overcome by a __________ acting on the object.
a)
temperature
b)
speed
c)
force
d)
velocity
24.
You push on a tree with 20 N of force. If the tree doesn't move, the tree is pushing back on you with _____of force.
a)
20N
b)
40N
c)
10N
d)
70N
25.
______is a force that resists motion between two surfaces that are in contact.
a)
Inertia
b)
Friction
c)
acceleration
d)
resistance
26.
Forces that cancel each other are called __________ forces
a)
inactivated
b)
balanced
c)
null
d)
neutral
27.
If a feather and a hammer are dropped at the same time on the moon, where there is no atmosphere, which one will hit the ground first?
a)
Neither, there is no gravity on the moon.
b)
hammer because it has more mass
c)
feather because it has less mass
d)
both will hit at the same time
28.
What keeps the moon in orbit around Earth?
a)
Mass & distance
b)
Mass & weight
c)
Inertia & gravity
d)
Gravity & mass
29.
Four groups of students were trying to find out how to make a car roll the farthest distance after going down a ramp.
Which would be the best for a new group to do to make a car roll the farthest?
Which would be the best for a new group to do to make a car roll the farthest?
a)
Raise the ramp and wrap sandpaper around the wheels
b)
Oil the wheels and wrap sandpaper around the wheels
c)
Lower the ramp and oil the wheels
d)
Raise the ramp and oil the wheels
30.
What causes a falling skydiver to slow down after the parachute opens?
a)
air resistance
b)
gravity
c)
inertia
d)
reference motion
31.
Which runner had a head start?
a)
A
b)
B
c)
C
32.
Marta rides her bike 10 miles in 5 hours. Joel rides his bike 11 miles in 5 hours. Avery rides her bike 15 miles in 5 hours. Which child rides her bike faster?
a)
Marta
b)
Avery
c)
Joel
33.
In a duck race, a rubber duck travelled 400 meters in 10 seconds? What was the rubber duck´s speed?
a)
40
b)
40 minutes
c)
40mm/s
d)
40m/s
34.
How long did it take this object to travel back to its reference/starting point?
a)
20 s
b)
30 s
c)
60 s
d)
100 s
35.
At 60 seconds, how far had this object traveled?
a)
0 m
b)
10 m
c)
20 m
d)
40 m
36.
At what rate did the rain fall?
a)
2 cm per hour
b)
1/4 cm per hour
c)
1/2 cm per hour
d)
4 cm per hour
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