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WorksheetsFCJH 8th Grade Spring Final Ultimate Review!
Total questions: 40
Worksheet time: 1hrs 6mins
Name
Class
Date
1.
Inertia is the tendency of an object to resist a change in its ___________.
a)
temperature
b)
shape
c)
size
d)
motion
2.
Newton's third law states that any action will have a(n) _______ and ______ reaction
a)
Equal and similar
b)
Equal and opposite
c)
Equal and different
d)
Greater and opposite
3.
What are the appropriate units to describe acceleration?
a)
m/s
b)
m/s2
c)
cm
d)
there are no units associated with acceleration
4.
How much force is needed to accelerate a 2 kg physics book to an acceleration of 6 m/s/s? (F=m x a)
a)
36 N
b)
12 N
c)
3 N
d)
0.33 N
5.
What direction does friction act relative to motion?
a)
in the same direction
b)
in the opposite direction
c)
need more information
d)
depends on the force
6.
Newton's First Law of Motion is also known as the Law of _____.
a)
Inertia
b)
Conservation of Mass
c)
Action and Reaction
d)
Mass and Acceleration
7.
Newton's Second Law of Motion says that if you want to increase the acceleration of an object, you have to _____.
a)
increase the unbalanced force
b)
decrease the unbalanced force
c)
increase the object's mass
d)
make sure all forces are balanced
8.
"Terminal velocity" is the velocity at which _____
a)
point at which a falling object hits the ground
b)
the point at which an object can no longer accelerate
c)
the point at which an object lifts off the ground and flies
d)
the point at which any object stops
9.
A measure of the gravitational force exerted on an object
a)
newton
b)
weight
c)
free fall
d)
inertia
10.
What is the difference between mass and weight?
a)
mass is how much matter is in an object, and weight is the gravitational pull on that object
b)
mass and weight are the same
c)
weight affects how much mass is in an object
d)
weight is determined by how many atoms make up an object
11.
Acceleration is force divided by mass, or F = ma.
a)
Newton's First Law
b)
Newton's Second Law
c)
Newton's Third Law
d)
net force
12.
What is speed?
a)
how far you go
b)
how much distance is covered over a period of time
c)
how fast you accelerate
d)
the change in the location of a object
13.
Total distance divided by total time is
a)
average speed
b)
constant speed
c)
instantaneous speed
d)
acceleration
14.
What is velocity?
a)
the quickness of an object
b)
the location of an object
c)
acceleration
d)
speed in a specific direction
15.
Can be measured in meters per second (m/s)
a)
Distance
b)
Time
c)
Speed
d)
Acceleration
16.
How far will a person go if they jog for 2 hours at a speed of 12 km/hr?
a)
6 km
b)
0.5 km
c)
10 km
d)
24 km
17.
A crumpled piece of paper hits the ground before a flat sheet of paper because
a)
the acceleration of gravity is greater on the crumpled paper.
b)
there is more air resistance against the flat paper.
c)
the crumpled paper is more massive
d)
the crumpled paper is less massive.
18.
A plane traveled for about 2.5 hours at a velocity of 1200 km/hr. What distance did it travel?
a)
3000 km
b)
480 km
c)
3000 m
d)
480 m
19.
When are you undergoing an acceleration in a car?
a)
speed up
b)
slow down
c)
make turns
d)
All of the above
20.
LT4: The graph shows Ashley riding her bike to Maria's house.
What was occurring from point B to point C?
What was occurring from point B to point C?
a)
She was increasing her speed.
b)
She stopped for 4 minutes
c)
She was decreasing in speed
21.
LT4: The graph shows Ashley riding her bike to Maria's house.
What is occurring from point A to point B?
What is occurring from point A to point B?
a)
they are traveling at a constant speed
b)
they are decreasing in speed
c)
they stopped to take a break
22.
Acceleration: is the rate of change in ___________.
a)
speed
b)
distance
c)
velocity
d)
displacement
23.
No machine in existence has 100% efficiency due to ____________________.
a)
magic
b)
friction
c)
smoke
d)
input
24.
The unit used to measure power is the
a)
Watt
b)
Newton
c)
Joule
d)
Newton*meter
25.
A force exerted over a distance to move an object is ______________________.
a)
power
b)
work
c)
momentum
d)
Watt
26.
The unit used to measure work is the
a)
Watt
b)
Newton
c)
Joule
d)
meter
27.
Calculate the amount of work done if you use a 100N force to push a 50 kg box 5 m across the kitchen floor.
a)
250 J
b)
500 J
c)
5000 J
d)
50,000 J
28.
Work/Time = ________?
a)
Force
b)
Speed
c)
Velocity
d)
Power
29.
Force X Distance = _______?
a)
Work
b)
Power
c)
Energy
d)
Force
30.
A push or pull
a)
simple machine
b)
fulcrum
c)
force
d)
wedge
31.
45,000 Joules of work done in 90 seconds results in how much power?
a)
50 watts
b)
500 watts
c)
5000 watts
d)
4,050,000 watts
32.
What is effort (input) force?
a)
the force required by a machine in order to accomplish work (the force you put on the machine)
b)
the force which an effort force must overcome in order to do work on an object via a simple machine.
c)
the force the machine exerts on a object
d)
the output work times the input distance
33.
What is load (output) force?
a)
the force required by a machine in order to accomplish work (the force you put on the machine)
b)
the force that must be exerted (put out) to do work on an object via a simple machine by a human.
c)
the force the machine exerts on a object
d)
the output work times the input distance
34.
What affects the strength of gravity between two objects?
a)
The density of the objects
b)
The mass of the objects
c)
The distance between the objects
d)
Both the mass and the distance between the objects
35.
Who am I?
a)
Mckey Mouse
b)
Mickey Mouse
c)
Mickey Mous
d)
Mouse
36.
a)
Nemo
b)
meno
c)
memo
d)
Neimo
37.
Energy of motion is which type of energy?
a)
Potential
b)
Kinetic
c)
Sound
d)
Gravitational
38.
What type of energy is in this picture?
a)
Kinetic
b)
Potential
c)
Chemical
d)
Sound
39.
On a roller coaster, where is maximum potential energy?
a)
At the bottom of a big hill
b)
When going around a corner
c)
When going upside down
d)
At the top of a big hill
40.
According to which law of energy, energy can't be created or destroyed?
a)
First law of motion
b)
The law of tacos
c)
Laws of Energy
d)
law of conservation of energy
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