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WorksheetsPhysics Energy and Motion review
Total questions: 46
Worksheet time: 39mins
Name
Class
Date
1.
Energy due to motion is ____________ energy.
a)
Potential
b)
Energy
c)
Kinetic
d)
Friction
2.
__________ energy is the energy due to an object's position or condition
a)
Potential
b)
Kinetic
c)
None of the above
d)
All of the above
3.
The faster an object moves, the ________ kinetic energy it has.
a)
more
b)
less
c)
none of the above
d)
all of the above
4.
Gravitational potential energy depends on the ________ and ________ of the object.
a)
Height and mass
b)
Friction and movement
c)
Mass and Movement
d)
Height and Friction
5.
Elastic potential energy is the ability to stretch or _________
a)
pull
b)
straighten
c)
compress
d)
stretch
6.
What kind of energy is in a rock at the edge of a cliff?
a)
Potential
b)
Kinetic
c)
both
d)
neither
7.
Which is the best example that something has kinetic energy?
a)
a. a car parked on a steep hill
b)
b. a tennis ball rolling across the court
c)
c. a picture hanging on the wall
d)
d. a piece of coal before it's burned
8.
Which point has the most potential energy?
a)
D
b)
F
c)
B
d)
A
9.
What is happening to the energy of the girl from point A to point B
a)
kinetic changes to potential
b)
potential changes to kinetic
c)
energy is lost
d)
energy is gained
10.
Which point has the greatest kinetic energy?
a)
W
b)
X
c)
Y
d)
Z
11.
The law of conservation of energy means ________________________
a)
Energy CAN be created and destroyed or transformed
b)
Energy can be used up or transformed
c)
Energy CANNOT be created or destroyed, only transformed
d)
Energy cannot be transformed
12.
Why can't the skater reach the same point where he was released when he goes up the other side of the ramp?
a)
because he is heavy
b)
because his mass is slowing him down
c)
because he gets tired
d)
because friction is slowing him down
13.
Which bowling ball has LESS kinetic energy
a)
8 m/s
b)
10 m/s
c)
they have the same amount of enery
d)
none of these
14.
Which has the greatest gravitational potential energy?
a)
a minicooper
b)
a semi truck
c)
a human
d)
a baby
15.
When a pendulum swings, at which point is kinetic energy highest?
a)
1
b)
2
c)
3
d)
4
16.
When a pendulum swings, at which point is potential energy at its greatest? (assume there is no friction)
a)
1 and 5
b)
2 and 4
c)
3
d)
4 and 5
17.
YOUR BODY OBTAINS ENERGY FROM THE FOOD YOU EAT. WHAT IS THE FORM OF ENERGY IN FOOD?
a)
KINETIC
b)
ELASTIC
c)
GRAVITATIONAL
d)
CHEMICAL
18.
WHAT ANOTHER NAME FOR THERMAL ENERGY?
a)
HEAT ENERGY
b)
ITS SIZE
c)
ITS POTENTIAL ENERGY
d)
ITS MECHANICAL ENERGY
19.
WHICH OF THESE DESCRIBES THE LAW OF CONSERVATION OF ENERGY?
a)
NO MACHINE IS 100% EFFICIENT
b)
ENERGY IS NEITHER CREATED OR DESTROYED
c)
THE ENERGY RESOURCES OF EARTH ARE LIMITED
d)
THE ENERGY OF A SYSTEM IS ALWAYS DECREASING
20.
AS A ROLLER COASTER MOVES DOWN A HILL, POTENTIAL ENERGY IS CONVERTED INTO KINETIC ENERGY, THERMAL ENERGY, AND SOUND ENERGY. WHAT IS TRUE ABOUT THE TOTAL ENERGY OF THIS SYSTEM?
a)
ENERGY IS GAINED (CREATED) AS THE ROLLER COASTER MOVES
b)
ENERGY IS LOST (DESTROYED) AS THE ROLLER COASTER MOVES
c)
THE TOTAL ENERGY REMAINS THE SAME AS THE ROLLER COASTER MOVES
d)
THE TOTAL ENERGY CONSTANTLY CHANGES AS THE ROLLER COASTER MOVES
21.
Which is an example of sound energy?
a)
light energy
b)
plucking a guitar string
c)
turning the lights on
d)
splitting nuclei
22.
You have just turned on a fan.
What type of energy is this?
What type of energy is this?
a)
Electric
b)
Radiant
c)
Nuclear
d)
Thermal
23.
Thermal energy is...
a)
burning logs
b)
turning on a fan
c)
sun energy
d)
splitting of nuclei
24.
Which energy transformation occurs in a toaster?
a)
chemical to electric
b)
electric to thermal
c)
kinetic to chemical
d)
thermal to potential
25.
Which energy transformation below matches?
Animals eating food?
Animals eating food?
a)
electrical to potential
b)
chemical to kinetic
c)
potential to chemical
26.
Which energy transformation below matches?
Burning coal or carbon-based fuel at a powerplant?
Burning coal or carbon-based fuel at a powerplant?
a)
chemical to heat to electrical
b)
mechanical to chemical to sound
c)
electrical to chemical to heat
27.
Moving water can be used to produce electricity because
a)
most forms of energy can be converted into other forms
b)
energy cannot be converted into other forms of energy
c)
potential energy can be converted into kinetic energy, but not vice versa
d)
kinetic energy can be converted into potential energy, but not vice versa
28.
Is energy always conserved?
a)
Always
b)
Often
c)
Never
d)
Sometimes
29.
What type of energy is in this picture?
a)
Kinetic
b)
Potential
c)
Chemical
d)
Sound
30.
What force ultimately slows the roller coaster to a stop?
a)
Applied
b)
Normal
c)
Friction
d)
Magnetic
31.
What is the net force?
a)
30 N
b)
25 N
c)
5 N
d)
55 N
32.
If these teams are pulling with the same amount of force what will happen?
a)
The boy in blue will win.
b)
They will not move at all.
c)
The boy in red will win.
d)
Both will fall down.
33.
Balanced or unbalanced?
a)
balanced
b)
unbalanced
34.
What will cause an object to move?
a)
Applied forces
b)
Balanced forces
c)
Unbalanced forces
35.
Speed is
a)
the distance covered per unit of time
b)
the time it takes something to move a certain distance
c)
distance x time
d)
time x distance
36.
Wheels on a skateboard most likely experiences-
a)
Rolling Friction
b)
Sliding Friction
c)
Fluid Friction
d)
Static Friction
37.
Sally experiences-
a)
Rolling Friction
b)
Sliding Friction
c)
Fluid Friction
d)
Static Friction
38.
Swimming fish experience-
a)
Rolling Friction
b)
Sliding Friction
c)
Fluid Friction
d)
Static Friction
39.
Objects balanced on Timmy's head experiences-
a)
Rolling Friction
b)
Sliding Friction
c)
Fluid Friction
d)
Static Friction
40.
A type of friction that occurs when air pushes against a moving object causing it to negatively accelerate
a)
surface area
b)
air resistance
c)
descent velocity
d)
gravity
41.
Which of the following is an example of friction that is helpful?
a)
Brakes used on a bike
b)
Tires from a car on the road
c)
Tread on the bottom of your shoes
d)
All are examples that are helpful
42.
How does friction affect speed?
a)
more friction decreases speed
b)
more friction increases speed
c)
less friction decreases speed
d)
less friction doesn't affect speed
43.
What is velocity?
a)
the quickness of an object
b)
the location of an object
c)
acceleration
d)
speed in a specific direction
44.
What is Newton's First Law
a)
F=ma
b)
Every action has an equal and opposite reaction
c)
An object at rest stays at rest, an object in motion stays in motion.
d)
Friction
45.
A change in velocity over time is
a)
Scalar
b)
Speed
c)
Acceleration
d)
Motion
46.
Which is an example of zero acceleration?
a)
A merri-go-round moving at a constant rate
b)
A car coming to a stop
c)
A boat speeding up
d)
A person running on a treadmill at a rate of 6 MPH
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