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WorksheetsTheme Park Review
Total questions: 68
Worksheet time: 55mins
What is the SI unit for energy?
newton
joules
kilograms
ergs
Which equation can be used to calculate work?
Work = Force • Distance
Work = Mass • Distance
Work = Force • Mass
Work = Mass • Height
Work = Mass • Velocity
What is the form of energy related to an object's movement?
thermal energy
potential energy
kinetic energy
frictional energy
electrical energy
Which equation best represents an object's kinetic energy?
KE = m • g • h
KE = F • d
KE = 0.5 • m • v • h
KE = v² • F
KE = 0.5 • m • v²
What kind of energy is considered stored energy?
kinetic energy
frictional energy
electrical energy
potential energy
thermal energy
Which equation best represents an object's potential energy?
PE = m • g • h
PE = F • d
PE = 0.5 • m • v • h
PE = v² • F
PE = 0.5 • m • v²
A woman gets in an elevator at the top of the Empire State Building and descends toward the ground floor. What happens to the woman's potential energy as she descends?
As height decreases, the woman's potential energy will increase.
As height decreases, the woman's potential energy will stay the same.
As height decreases, the woman's potential energy will decrease.
It is impossible to tell because we don't know the mass of the woman.
It is impossible to tell because we don't know the height the woman started at.
An airplane traveling at a constant altitude loses mass as it uses up jet fuel. What happens to the plane's potential energy as it uses up fuel?
As mass decreases, the plane's potential energy will increase.
As mass decreases, the plane's potential energy will stay the same.
As mass decreases, the plane's potential energy will decrease.
It is impossible to tell because we don't know the height of the plane.
It is impossible to tell because we don't know the acceleration due to gravity.
What is the best representation of the law of conservation of energy?
Potential energy is always conserved.
Energy can only change between potential and kinetic forms of energy.
Energy can not be created or destroyed. It can only change forms.
United States citizens must conserve energy to reduce our impact on the environment.
Energy is conserved when forces are balanced.
A person sits at the top of a waterslide. Which of the following is the best description of the person's energy as he or she travels down the slide?
Kinetic energy is converted to potential energy. Total energy remains constant.
Potential energy is converted to kinetic energy. Total energy remains constant.
Kinetic energy is converted to potential energy. Total energy increases.
Potential energy is converted to kinetic energy. Total energy increases.
Kinetic energy is converted to potential energy. Total energy decreases.
Which of these statements are true about energy and work?
Energy is measured in joules; work is measured in newtons.
Energy is work acting at a distance.
Energy is stored; work is used.
Energy is the ability to do work.
Energy depends on force; work depends on mass.
Kinetic energy is
stored energy
energy at rest
energy in motion
stationary
Energy can be created.
true
false
Energy cannot be destroyed.
true
false
The Law of Conservation of Energy States:
Energy cannot be transferred to another object or converted into a different form.
Energy can be transferred to another object or converted into a different form.
Energy can be transferred to another object but cannot be converted into a different form.
According to the Law of Conservation of energy, the amount of energy before and after a reaction must be the same. Which statement below is true?
The total amount of energy is more after a reaction
The total amount of energy is conserved
The total amount of energy is less after a reaction
At what point does the roller coaster have the most Kinetic energy?
A
B
C
D
At what point does the roller coaster have the most Potential energy?
A
B
C
D
In what position we have more Kinetic energy?
1
2
3
In what position we have more Potential energy?
1
2
3
The energy stored in an object is ______________energy.
mechanical
kinetic
distance
potential
The energy of motion is __________ energy.
kinetic
potential
mechanical
distance
______________ is the ability to do work.
weight
transfer
energy
collide
speed of a male polar bear is 11.0 m/s, how much KE does it have?
Conservation of energy means that
energy can be created but not destroyed
energy can be destroyed but not created
energy can be both created and destroyed
energy can be neither created nor destroyed
As a boulder rolls from the top of a hill to the bottom, how does its potential and kinetic energy change?
Potential and kinetic energy both increase.
Potential energy increases and kinetic energy decreases.
Potential energy decreases and kinetic energy increases.
Potential and kinetic energy both increase.
Sammy studied kinetic and potential energy by observing apples on a tree during a field investigation. What type of energy do the apples on the tree have?
elastic potential energy
mechanical energy
gravitational potential energy
sound energy
When a tennis ball is dropped, potential energy is destroyed and kinetic energy is created.
True
False
Describe the energy in the picture.
Gravitational Potential
Kinetic
Elastic Potential
No energy.
What word best describes Kinetic Energy?
Stored
Motion
Elastic
Gravity
Gravitational Potential energy increases as _________ increases.
Speed
Elasticity
Height
Movement
The illustration shows a roller coaster and indicates four different positions the car might be at as it moves along the track.
At which point in the roller coaster's journey would it's potential energy be changing to kinetic energy
Z-Y
Y-X
W-X
The kinetic energy of the pendulum is increasing, and its potential energy is decreasing when it moves from point–
1 to 2.
3 to 4.
4 to 5.
At what point in the pendulum swing would potential energy be the greatest?
1
2
3
At what point in the pendulum swing would kinetic energy be at its greatest?
1
2
3
The kinetic energy of the pendulum is decreasing, and its potential energy is increasing when it moves from point–
1 to 2.
2 to 3.
4 to 5.
Stretching a rubber band, pulling back on a bow string, or pulling a back on a spring are examples of what kind of potential energy?
elastic potential energy
gravitational potential energy
chemical potential energy
Energy stored in food, fuel, or batteries is an example of what type of potential energy?
elastic potential energy
gravitational potential energy
chemical potential energy
Which car has KE = 50 and PE = 50?
A
B
C
D
Which car has KE = 75 and PE = 25?
A
B
C
D
What type of energy is present?
A bobsled is moving at its fastest speed around the final turn.
potential
kinetic
What type of energy is present?
A diver just before she dives off the 30m platform.
potential
kinetic
What type of energy is present?
A golf ball as it gains height after being hit by the driver.
potential
kinetic
What type of energy is present?
A swimmer in the middle of a 50m race.
potential
kinetic
What type of energy is present?
A baseball just before being released by the pitcher.
potential
kinetic
Moving a book to a lower shelf decreases its potential energy
True
False
How much work does it take to apply 568 N for 15 m?
F = ma
W = Fd
W = change in GPE
W = change in KE
What's the mass of an object that is traveling at 45 m/s when it has 568 J of kinetic energy?
F = ma
W = Fd
KE = 0.5 mvv
PE = mgh
How much potential energy does a 80 kg object have when on a 3.7 m cliff?
F = ma
W = Fd
W = change in PE
PE = mgh
Energy is the ability to cause _________.
change
problems
channels
solutions
You can calculate gravitational potential energy by using the equation: PE (J) =
1/2 m (kg) x 1/2h (m)
h (m) x 9.8 m/s2
m (kg) x 9.8 m/s2 x h (m)
1/2 h (m) x w (m)
You can calculate kinetic energy by using the equation: KE = _____.
m (kg) x 9.8 m/s2 x h (m)
1/2 m (kg) x v2 (m2/s2)
w (m) x h (m)
9.8 m/s2 x 1/2 m (kg)
