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WorksheetsForms of Energy Unit Review
Total questions: 62
Worksheet time: 51mins
Name
Class
Date
1.
The toy oven shown uses a lightbulb to bake small cakes. What types of energy does the toy oven use to bake the cakes?
a)
Electrical and thermal
b)
Mechanical and electrical
c)
Thermal and mechanical
d)
Light and sound
2.
Which object requires only mechanical energy to perform its main function?
a)
b)
c)
d)
3.
Biomass, petroleum, natural gas, propane, and coal are examples.
a)
Chemical Energy
b)
Radiant Energy
c)
Stored Mechanical Energy
d)
Gravitational Energy
4.
Stored energy
a)
Thermal Energy
b)
Stored Mechanical Energy
c)
Kinetic Energy
d)
Potential Energy
5.
Energy stored in the nucleus of an atom-the energy that holds the nucleus together. The energy in the nucleus of a uranium atom is an example.
a)
Electrical Energy
b)
Nuclear Energy
c)
Radiant Energy
d)
Potential Energy
6.
This type of energy is released when an atom's nucleus breaks apart OR the nuclei of two small atoms come together.
a)
thermal
b)
electromagnetic
c)
chemical
d)
nuclear
7.
This type of energy is the kinetic energy of the particles (the faster the particles move, the higher the temperature is)
a)
electrical
b)
mechanical
c)
thermal
d)
sound
8.
This type of energy is the sum of both the kinetic and potential energy. This is the energy of movement OR the stored energy that will cause movement.
a)
mechanical
b)
electrical
c)
sound
d)
chemical
9.
What is the Law of Conservation of Energy?
a)
All matter is made of particles that are in constant motion.
b)
Energy can only be created when a force acts on an object.
c)
Energy cannot be created or destroyed, but it can be transformed.
d)
Heating an object creates energy and cooling an object destroys energy.
10.
On a roller coaster, where is maximum kinetic 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
11.
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
12.
The ultimate source of energy is:
a)
The sky
b)
The sun
c)
Plants
d)
Movement
13.
Kinetic Energy is:
a)
the energy of motion
b)
always conserved
c)
stored energy
d)
not a form of energy
14.
What kind of energy is represented in the picture?
a)
Thermal
b)
Chemical
c)
Sound
d)
Nuclear
15.
What kind(s) of energy are involved when a television is working?
a)
light only
b)
light and heat only
c)
electricity only
d)
electrictiy, light, heat, and sound
16.
The ability to do work is the definition for which word
a)
chemical energy
b)
mechanical energy
c)
Energy
d)
produce
17.
Which of these items converts electrical energy to heat energy?
a)
refrigerator
b)
shower
c)
hair dryer
d)
calculator
18.
What happens to particles as they heat up?
a)
They slow down
b)
Nothing
c)
They don't move
d)
They speed up
19.
Sunlight, radio waves, and X-Rays are each examples of _______ energy.
a)
chemical
b)
electrical
c)
Potential
d)
electromagnetic
20.
Meeka knows that a lamp uses electrical energy to produce light.
What other form of energy does the lamp produce?
What other form of energy does the lamp produce?
a)
heat
b)
sound
c)
chemical
d)
mechanical
21.
Nu is making a poster to show different forms of energy.
Which statement about energy is NOT true?
Which statement about energy is NOT true?
a)
Energy is the ability to do work
b)
Energy is the ability to cause change
c)
Energy can cause something to move
d)
Energy gets stronger the more you use it
22.
Margaret drew pictures to show four forms of energy.
Which picture is NOT a good example of mechanical energy?
Which picture is NOT a good example of mechanical energy?
a)
electric fan
b)
desk lamp
c)
child on a swing
d)
person in a sailboat
23.
Four students each gave a toy car a push to set it in motion. The cars were identical.
Here are the distances the cars covered in the same period of time.
Car 1: 2.3 meters
Car 2: 1.8 meters
Car 3: 2.6 meters
Car 4: 1.4 meters
Which car had the greatest amount of mechanical energy?
Here are the distances the cars covered in the same period of time.
Car 1: 2.3 meters
Car 2: 1.8 meters
Car 3: 2.6 meters
Car 4: 1.4 meters
Which car had the greatest amount of mechanical energy?
a)
Car 1
b)
Car 2
c)
Car 3
d)
Car 4
24.
The unit for energy is the
a)
Newton
b)
Joule
c)
Kilogram
d)
Watt
25.
Other names for light energy are __________________________.
a)
Radiant or Sound
b)
Radiant or Electromagnetic
c)
Radiant or Thermal
d)
Radiant or Mechanical
26.
If both of these balls are traveling down a bowling lane at the SAME speed, which one would would have more kinetic energy?
Ball A = 500kg B = 100kg
Ball A = 500kg B = 100kg
a)
A
b)
B
c)
A and B have the same energy
d)
A and B do not have any energy
27.
At which two points on the pendulum, is the pendulum experiencing the greatest potential energy?
a)
A and B
b)
B and C
c)
C and D
d)
A and D
28.
The law of conservation of energy states:
Energy cannot be created or destroyed, it can only change transform from one kind of energy to another.
Energy cannot be created or destroyed, it can only change transform from one kind of energy to another.
a)
True
b)
False
29.
Any moving object will eventually slow down and stop due to...
a)
Weight
b)
Friction
c)
Gravity
d)
Potential energy
30.
The skater has the greatest __________________ energy at the top of the ramp.
a)
Gravitational Potential
b)
Elastic Potential
c)
Kinetic
d)
Chemical
31.
When a rubber band is stretched, it is demonstrating which type of energy?
a)
thermal
b)
elastic potential
c)
gravitational potential
d)
mechanical
32.
At what position does the cyclist have the least gravitational potential energy?
a)
A
b)
B
c)
C
d)
D
33.
Which answer choice best describes what is happening at point B of the diagram?
a)
Lowest kinetic energy, highest potential energy
b)
Highest kinetic energy, lowest potential energy
c)
Potential and kinetic energies are the same
34.
In an energy transformation, some energy ALWAYS turns into...
a)
Thermal Energy
b)
Nuclear Energy
c)
Mechanical Energy
d)
Radiant Energy
35.
At what position does the rock have the greatest kinetic energy?
a)
A
b)
B
c)
D
d)
E
36.
Energy transformations occur when...
a)
energy is created through conduction
b)
energy changes from one form to another
c)
two forces slide together that are touching
d)
a chemical reaction takes place
37.
When a soccer ball is on a field, the energy it has just before being kicked is called
a)
kinetic energy
b)
potential energy
c)
mechanical energy
d)
chemical energy
38.
The roller coaster cart has the most gravitational potential energy at position-
a)
W
b)
X
c)
Y
d)
Z
39.
Which energy conversion is taking place when you put gasoline in a car?
a)
thermal -> electrical
b)
mechanical -> electrical
c)
chemical -> mechanical
d)
mechanical -> electromagnetic
40.
what type of energy is stored in a battery?
a)
electrical
b)
chemical
c)
thermal
d)
mechanical
41.
Electrical Energy is transferred to _____ Energy.
a)
Thermal
b)
Solar
c)
Electrical
d)
None
42.
Which items would have this energy transformation: chemical energy -> electrical, light and thermal energy?
a)
turning on a flashlight
b)
nuclear power plant
c)
digesting an apple
d)
tanning bed
43.
Which items would have this energy transformation: chemical energy -> mechanical energy?
a)
person running
b)
candle burning
c)
windmill turning
d)
playing a violin
44.
The diagram below shows a hot air balloon rising. Propane gas tanks are seen at the bottom of the balloon. What energy transformations occur when propane gas is used to lift the balloon?
a)
Mechanical to light to chemical
b)
Chemical to mechanical to thermal
c)
Thermal to chemical to light
d)
Chemical to thermal to mechanical
45.
The picture showing the energy conversion
Chemical → heat
is:
a)
b)
c)
d)
46.
The picture showing the energy conversion
Light → chemical
is:
a)
b)
c)
d)
47.
The picture showing the energy conversion
Chemical → light & heat
is:
a)
b)
c)
d)
48.
A washing machine turns electrical energy into
a)
Light energy
b)
Chemical energy
c)
Mechanical energy
49.
Electrical -> Mechanical -> Sound
a)
A triple beam balance measuring an object’s mass
b)
A pencil sharpener plugged into a wall outlet
c)
A projector displaying a diagram on the screen
d)
A working flashlight used to light up a dark corner
50.
What is the formula for work?
a)
Force = work x distance
b)
Distance = force x work
c)
Work = force x distance
d)
Work = force x mass
51.
a push or pull is
a)
mass
b)
force
c)
inertia
d)
gravity
52.
Which is an example of a force?
a)
looking at the sky
b)
pushing a bike
c)
reading a book
53.
Fred kicks a ball with a force of 20N to George, who is 5M away. How much work was done to the ball?
a)
25J
b)
100J
c)
4J
d)
75J
54.
45J of work were done on the object that moved 5M. How much force was applied to the object?
a)
8N
b)
225N
c)
9N
d)
0N
55.
What are the units for distance?
a)
Feet
b)
Miles
c)
Meters
d)
Kilometers
56.
What are the units for work?
a)
pounds (lb)
b)
centimeters (cm)
c)
grams (g)
d)
Joules (J)
57.
A force exerted over a distance to move an object is ______________________.
a)
power
b)
work
c)
momentum
d)
Watt
58.
Which of the following is the best example of work being done.
a)
doing homework
b)
lifting a box
c)
pushing a stationary box
d)
holding a box
59.
A 5000N block is lifted 10 m. How much work was done?
a)
50000 J
b)
5000 J
c)
500 J
d)
50 J
60.
If you do 40 joules of work lifting a 10N box, how high is the shelf you move it to.
a)
400m
b)
40m
c)
50m
d)
4m
61.
if you push a cart with a force of 60 N for 2 m... how much work have you done
a)
120 J
b)
30 J
c)
120 N
d)
30 N
62.
How much work is produced when 350 N is used to move a car 5 m?
a)
70 J
b)
1750 J
c)
355 J
d)
175 J
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