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WorksheetsPotential and Kinetic Energy Lesson
Total questions: 73
Worksheet time: 2hrs 42mins
1-5.
Answer the questions below after watching the video
What is the unit used to measure energy?
Newton
Joule
Watt
Hertz
Which type of potential energy is stored in a stretched rubber band?
Gravitational
Elastic
Chemical
Nuclear
What kind of energy does a moving skateboard have?
Nuclear
Kinetic
Chemical
Potential
According to the law of conservation of energy, energy can be:
Both created and destroyed
Neither created nor destroyed, only transferred
Destroyed but not created
Created but not destroyed
How does potential energy change as you go down a hill on a bicycle?
Becomes thermal energy
Remains the same
Increases
Decreases
6-11.
Answer the questions below after watching the video
What is the formula for kinetic energy?
KE = 1/2 k x^2
KE = 1/2 m v^2
KE = mgh
KE = mv
If the mass of an object is doubled, how does the kinetic energy change?
It remains the same
It halves
It doubles
It quadruples
What happens to the kinetic energy if the velocity of an object is doubled?
It halves
It quadruples
It remains the same
It doubles
What is the formula for gravitational potential energy?
PE = mv
PE = 1/2 k x^2
PE = 1/2 m v^2
PE = mgh
If an object falls from a height, what happens to its potential energy?
It disappears
It increases
It is converted to kinetic energy
It remains constant
What is the speed of an object just before it hits the ground if its kinetic energy is 4900 joules and its mass is 10 kg?
15.5 m/s
49.0 m/s
31.3 m/s
62.6 m/s
12-16.
Answer the questions below after watching the video
What is kinetic energy?
Energy stored in stationary objects
Energy of motion
Energy absorbed from the sun
Energy released during chemical reactions
How do you calculate kinetic energy?
Mass plus velocity
Mass times velocity
Half the mass times velocity squared
Velocity divided by mass
If the mass of an object is doubled, how does this affect its kinetic energy, assuming velocity remains constant?
It halves the kinetic energy
It doubles the kinetic energy
It does not affect the kinetic energy
It quadruples the kinetic energy
Which of the following best describes the relationship between mass and kinetic energy?
Inversely proportional
Directly proportional but not linear
Directly proportional and linear
No relationship
What happens to the kinetic energy if the velocity of an object is doubled?
It doubles
It quadruples
It triples
It remains the same
17-21.
Answer the questions below after watching the video
What does the law of conservation of energy state?
Energy can be created and destroyed.
Energy can only be transferred or transformed, not created or destroyed.
Energy is only conserved in open systems.
Energy conservation applies only to kinetic and potential energy.
What is the SI unit for measuring energy?
Newton
Watt
Joule
Ampere
Which type of energy is stored in chemical bonds?
Thermal energy
Potential energy
Kinetic energy
Chemical energy
How is electrical energy converted in household appliances?
From kinetic to thermal energy
From chemical to electrical energy
From thermal to chemical energy
From electrical to various forms of energy
What illustrates the law of conservation of energy in the context of friction?
Friction conserves energy by eliminating it.
Friction converts kinetic energy to potential energy.
Friction converts thermal energy to kinetic energy.
Friction converts kinetic energy to thermal energy.
Which type of energy has to do with objects in motion?
Potential
Kinetic
Which of these has the most potential energy.
A
B
C
D
If a football player wants to become better at tackling by increasing his or her kinetic energy, how can the player do this?
Increase his/her height
Increase his/her speed
Increase his/her mass
Decrease his/her speed
As potential energy decreases kinetic energy
(a)
As potential energy decrease Kinetic energy
(a)
The Law of Conservation of Energy states, "Energy is never created or destroyed only change." How does the relationship between potential and kinetic energy illustrate this?
When a roller coaster is at the top of a hill it has
high potential energy
high kinetic energy
low potential energy
equal amounts of kinetic and potential energy
When a roller coaster is at the bottom of a hill it has
high potential energy
high kinetic energy
low kinetic energy
equal amounts of kinetic and potential energy
The sum of potential energy and kinetic energy equals the
potential energy
transformation
kinetic energy
mechanical energy
I am holding a balloon that is full of air, the balloon has
kinetic energy
potential energy
I released a balloon that was full of air and it is flying around the room, the balloon has
kinetic energy
potential energy
Which point has the most potential energy?
A
B
D
F
True/False: Because energy cannot be created or destroyed, when an object’s kinetic energy increases, its potential energy must decrease!
True
False
Check the boxes of the words associated with KINETIC ENERGY.
Run
Motion
Stored
Swimming
Which is the best example that something has kinetic energy?
a car parked on a steep hill
a tennis ball rolling across the court
a picture hanging on the wall
an apple resting on the table above the ground
What energy is the energy due to the motion and position of an onject?
Mechanical Energy
Kinetic Energy
Potential Energy
A stretched rubber band has what kind of potential energy?
Elastic Potential Energy
Gravitational Potential Energy
A book on a shelf has what kind of potential energy?
Elastic Potential Energy
Gravitational Potential Energy
Energy is the ability to do work or cause _____?
events
change
friction
explosions
On a warm sunny day, a turtle sits on a rock. Which term explains why the turtle feels the warmth from the sun?
electrical
light energy
mechanical
thermal energy
When a pendulum swings, where is potential energy the greatest?
1 and 5
2 and 4
3
apple sauce
When a pendulum swings, at which point is kinetic energy the greatest?
1
2
3
when watching TV
The amount of kinetic energy an object has depends on its:
Mass and volume
Volume and friction
Mass and speed
Speed and density
Which point has the most potential energy?
G
F
B
A
Choose the answer that has the most ELASTIC POTENTIAL energy.
a rubber band pulled back all the way
a rubber band pulled back part of the way
a rubber band laying on a table
Choose the answer that has the most GRAVITATIONAL POTENTIAL energy.
a 500 kg boulder on a 5 meter hill
a 500 kg boulder on a 10 meter hill
a 500 kg boulder on a 20 meter hill
How do you increase kinetic energy?
move slower
decrease mass
move faster
move higher
How do you increase potential energy?
move faster
move slower
move higher
decrease mass
Three cars are positioned at the top of a hill. Which car has the most potential energy?
What type of energy is greatest when the cannonball is at point C?
kinetic energy
potential energy
elastic energy
compressed energy
What type of energy is greatest when the cannonball is at point A?
kinetic energy
potential energy
elastic energy
compressed energy
Which picture is NOT an example of Chemical PE?
____________ is the ability to do work and/or cause change.
Energy
Force
Friction
Motion
Potential energy depends on
mass and height
height and speed
mass and speed
height and force
A kitten taking a nap in the sunlight
Kinetic Energy
Potential Energy
Which cart has a little less kinetic energy than cart C?
A
B
C
D
Where would this tossed baseball have the least amount of kinetic energy?
point W
point X
point y
point z
What is the kinetic energy of a soccer ball which has a mass of 0.8 kg and is kicked with a velocity of 10 m/s?
40 J
41 J
4 J
80 J
Calculate the kinetic energy of a running back that has a mass of 80 kg and is running as a velocity of 8 m/s.
320 J
2650 J
2560 J
5120 J
There is a clock at the top of a tower that is 45m high. The clock weighs 20 kg. Calculate its potential energy. Remember g=9.8 m/s
8100 J
9.8 m/s
900 J
8820 J
What is the GPE of a 0.3 kg apple on top of a 1 m tree?
0 J
2.94 J
0.3 J
2.96 J
A cheetah can run briefly with a speed of 31 m/s. Suppose a cheetah with a mass of 47 kg runs at this speed. What is the cheetah’s kinetic energy?
1457 J
728.5 J
45,167 J
22,583.5 J
A ping pong ball has a mass of about 2.45 g. Suppose that ball is hit across the table with a speed of about 4.0 m/s. What is its kinetic energy?
19.6 J
0.0196 J
4.9 J
0.0049 J
What is the kinetic energy of a 26 kg eagle, flying at an altitude of 65 m at a speed of 19 m/s?
32,110 J
16,055 J
4693 J
247 J
