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WorksheetsEnergy
Total questions: 50
Worksheet time: 46mins
What is Energy?
The ability to do anything
The ability to cause change
The investigation of nature
A fact of life
What is an example of kinetic energy?
A bird sitting in a tree
A bouncy ball on the table
A car driving on the highway
A book on shelf
What is an example of potential energy?
A bowling ball rolling down a lane
A car parked on a hill.
An apple falling from a tree
Sunlight heating up the atmosphere
Energy cannot be created or destroyed.
True
False
Joule
Kilogram
m/s
meter
Newton
Chemical
Kinetic
Radiant
Gravitational
Thermal
Gravitational Energy
Chemical Energy
Radiant Energy
Chemical Energy
Nuclear Energy
What affects an object's kinetic energy?
Its mass and speed
Its mass and distance
Its mass and time
Its speed and force
None
Identify who has more potential energy - a skier on top of a hill or a skier halfway down the hill?
The skier on top of the hill
The skier half way down the hill
They both have the same potential energy
Neither one has potential energy
Identify which best describes what is happening when a moving car comes to a stop.
The car's kinetic energy is increasing and its potential energy is increasing
The car's kinetic energy is decreasing and its potential energy is increasing
The car's kinetic energy is decreasing and its potential energy is decreasing
The car's kinetic energy is increasing and its potential energy is decreasing
Identify which one of the following situations involves potential energy changing into kinetic energy.
A moving ball being caught
An airplane landing at an airport
A child kicking a ball that is standing still
A car coming to a stop
Which point on a roller coaster's path represents the maximum kinetic energy?
the top before it goes down the hill
half way down the rollercoaster
near the bottom of the incline
Which is the way that you could demonstrate the transformation of mechanical energy into thermal energy?
warm yourself in front of a campfire
use an electric toaster to heat toast
rub your hands together until they get warm
Use magnified sunlight to set a piece on fire.
Most of the electrical energy used by a toaster is converted to ________energy.
thermal
electrical
nuclear
radiant
The mechanical energy of an object equals its
chemical energy plus its nuclear energy
kinetic energy plus potential energy
nuclear energy
thermal energy
If the pendulum is numbered from left to right as 1, 2, 3, 4, 5, which position does the pendulum have the greatest potential energy?
1 , 3
2, 4
3
1, 5
If the pendulum is numbered for each position as 1, 2, 3, 4, 5, in which positions does the pendulum have the greatest kinetic energy?
1
2
3
4
5
Gravitational potential energy depends on the ________ and ________ of the object.
Mass and height
Friction and acceleration
Mass and gravity
Height and Friction
Which point represents maximum potential energy?
W
X
Y
Z
As mass increases, kinetic energy...
increases
decreases
stays the same
Which object will have the largest amount of potential energy?
An asteroid is falling toward planet Earth from space. It has a height of 100,000 km.
As the asteroid falls closer to the Earth's surface, its _______ energy decreases and its _______ energy increases.
chemical; heat
kinetic; gravitational potential
heat; chemical
gravitational potential; kinetic
The faster an object moves, the ________ kinetic energy it has.
More
Less
At which point is potential energy is least?
W
X
Y
Z
An object falling from 75 m will have __________ potential energy than an object falling from 25 m.
Less
Greater
Lower
Equal
Calculate the potential energy of a car with a mass of 2,500 kg that is on a hill 100 meters above sea level.
250,000 J
2,450,000 J
25 J
248 J
If the 0.3 kg marble was moving at 6 m/s at the bottom of the ramp, how much kinetic energy did the marble have? (KE = (0.5) (m) (v2)
5.4 J
1.8 J
0.9 J
6 J
When does a roller coaster have the MOST KE?
at the top of the hill
in the middle of the hill
at the bottom of the hill
at the top of the second hill
Which position has the most kinetic energy?
1
2
3
4
When an object's speed increases, its kinetic energy:
Decreases
Remains the same
Increases
Becomes zero
What is the main difference between kinetic and potential energy?
Kinetic energy is always positive, while potential energy can be negative
Kinetic energy depends on speed, while potential energy depends on position
Kinetic energy is a form of nuclear energy, while potential energy is not
There is no significant difference; they are interchangeable
What is the GPE at the top?
50 J
25 J
0 J
100 J
What is the KE half way down?
50 J
25 J
0 J
100 J
What is the Total Energy at the bottom?
50 J
25 J
0 J
100 J
At which point does the ball has the greatest gravitational potential energy (GPE)?
A
G
D
C
G
If the height is zero, gravitational potential energy
is zero
at its maximum
100J
200J
Identify the type of energy
Thermal energy
Sound energy
Mechanical energy
Electrical energy
Video gaming systems, like Xbox and PlayStation, and TVs need to be plugged into a socket in order for them to work. Which type of energy provides power for these systems?
electrical
thermal
mechanical
solar
When you rub your hands together quickly, you can feel warmth between your hands. Which statement explains why rubbing your hands together produce warmth.
This action captures thermal energy from the environment.
This action produces thermal energy through friction.
This is an example of mechanical energy.
This action produces mechanical energy.
What type of energy allows you to see the images and texts on your cell phone screen?
sound
thermal
magnetism
radiant
Sunlight, radio waves, and X-Rays are each examples of _______ energy.
chemical
electrical
potential
radiant/electromagnetic
This energy form is stored in the center of an atom.
nuclear
chemical
electromagnetic
thermal
