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Vocab 1
Forms of
Energy
Energy
Misc.
Energy
Conversions
Energy
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Final Jeopardy
$100 Question from C1
The ability to do work or to cause a
change.
$100 Answer from C1
What is Energy?
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$200 Question from C1
Stored energy or the energy an object has
due to its position, molecular arrangement,
or chemical composition.
$200 Answer from C1
What is Potential Energy?
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$300 Question from C1
The energy of motion and is
dependent on an object’s mass
and speed.
$300 Answer from C1
What is kinetic energy?
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$400 Question from C1
States that no matter how energy is
transferred or transromed, it continues
to exist in one form or another.
$400 Answer from C1
What is the Law of Conservation of
Energy?
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$500 Question from C1
Total amount of kinetic energy and
potential energy in a system
$500 Answer from C1
What is mechanical energy?
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$100 Question from C2
How would the speed of the car placed on
a ramp change if the ramp were raised?
$100 Answer from C2
What is the speed will increase?
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$200 Question from C2
How would the amount of potential
energy of the car change as the ramp
is raised?
$200 Answer from C2
What is the potential energy will increase?
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$300 Question from C2
Explain how energy is transferred or
transformed as the car rolls down the ramp
and eventually comes to a stop when it
runs into an object.
$300 Answer from C2
What is when the car is at the top of ramp,
And not moving it has the highest amount
Of potential energy. As the car starts rolling
Then the potential energy will convert to
Kinetic energy. It will convert almost all
Of the potential energy to kinetic energy by
The time it reaches the bottom of the ramp and
Then it converts to potential energy when it stop
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$400 Question from C2
If you were to graph the average distance
v. time for each of the 3 different ramp heights
this ramp height would have the steeper
slope.
$400 Answer from C2
What is the highest ramp height?
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$500 Question from C2
As the speed of the car increases, the
amount of kinetic energy
______________________.
$500 Answer from C2
What is the amount of kinetic
Energy increases?
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$100 Question from C3
As the speed of the car decreases, then
the amount of kinetic energy
_________________.
$100 Answer from C3
What is kinetic energy decreases?
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$200 Question from C3
Energy is converted from one form
To another is consistent with the
_____________________________.
$200 Answer from C3
What is the Law of Conservation
of Energy?
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$300 Question from C3
If the kinetic energy of the car
quadrupled, what happened to the
car’s speed?
$300 Answer from C3
What is the speed of the
car doubled?
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$400 Question from C3
If the kinetic energy of the car decreased
by a factor of four, did the speed of
the car change? If so, explain how it
changed and by how much.
$400 Answer from C3
What is the speed of the car
decreased by half?
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$500 Question from C3
• Using the Height of Ramp v. Speed graph,
in your own words, summarize the data in
the graph.
$500 Answer from C3
What is as the height of the ramp
Increases, then the speed
increases. The higher the ramp,
The more gravitational potential
energy the car has, which transfers
to more kinetic energy as it travels
down the ramp showing
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faster speed.
$100 Question from C4
At which position on a ramp going
downhill does the car have the
most potential energy?
$100 Answer from C4
What is at the top of the ramp?
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$200 Question from C4
At which position on a
ramp going downhill
does the car have
the most kinetic
energy?
$200 Answer from C4
What is at the bottom of the ramp?
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$300 Question from C4
• If the speed of a car
________________,
then the mass of the
car increased
$300 Answer from C4
What is increased?
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$400 Question from C4
• If the mass of
the car
decreased, then
the speed of
the car
____________.
$400 Answer from C4
What is decreased?
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$500 Question from C4
• If the mass of the
car doubles, the
kinetic energy
________________.
$500 Answer from C4
What is doubles?
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$100 Question from C5
• If the kinetic energy
of a car decreases
by half, the mass
has _____________.
$100 Answer from C5
What is decreased by half?
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$200 Question from C5
• ________________
is a measure of the
average kinetic energy
of particles of matter.
$200 Answer from C5
What is temperature?
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$300 Question from C5
• The amount of
energy transfer
needed to change
the temperature of a
sample of matter by
a given amount
depends on____,
______, _______.
$300 Answer from C5
What is the nature of the matter,
size of the sample, and the
environment?
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$400 Question from C5
Jalen shoots a rubber band toward a
tree. The rubber band hits the tree with
a “whap,” knocking off a small piece
of loose bark, and bounces off of the
tree. Using what you know about
potential and kinetic energy, explain
the energy conversions in the rubber
band’s position, its flight, the sound,
and the falling bark.
$400 Answer from C5
When Jalen stretches the rubber band, she increases its
potential energy. When she lets go, the potential energy
converts to kinetic energy. The rubber band hits the
tree hard enough to convert some of its kinetic energy
into sound energy. Some of the rubber band’s kinetic
energy knocks the small piece of bark off of the tree.
The bark’s potential energy due to gravity is converted
to kinetic energy as it falls to the ground.
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$500 Question from C5
Suppose that a log is burning in a fireplace.
The log contains chemical energy. Identify
the energy types that are given off as the
log burns. Also, write a definition for the
law of conservation of energy. Then explain
how this law applies to the example of the
log.
$500 Answer from C5
The law of conservation of energy states that energy can
neither be created nor destroyed. Energy can, however,
change from one for to another. When a log burns, the
chemical energy in the log is converted to
electromagnetic energy (light and heat) and some sound
energy that are given off. The chemical energy released
is equal to the energy in the light, heat, and sound. No
energy was created, and none was destroyed.
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Final Jeopardy
Use the evidence from the police report,
accident scene pictures, and the rubric
to draw a picture of the accident
scene. Use the picture and evidence to
help you explain why the truck driver’s
story is right or wrong. Be sure to
describe the different types of energy
involved in the accident and how energy
was transferred from one vehicle to
another. Was energy lost or gained
during the accident? Explain.
Final Jeopardy Answer
What is the truck driver’s story as wrong. There were only one set of skid marks and
the skid marks were 150 feet long. According to his story, there should have been 2 sets
of different skid marks. When calculating speed using the information, the truck driver
was traveling 56 mph when he slammed on his brakes. The skid marks were straight
and not curved showing he did not try to swerve to avoid the accident. Energy was not
lost or gained, it only changed from one form to another. The truck transferred its
kinetic energy to potential energy and thermal energy by the skids marks from the
heated rubber material on the pavement and the crushed back end of the Nissan and the
front end of the FedEx truck. The Nissan had the most potential energy as it was
stopped at the top of the hill, but was transferred into kinetic energy as the truck pushed
the car forward when it collided with it and then back to potential energy when it
stopped. The eye witness testimony supports this when they heard only screeching of
one set of tires and then saw the truck slam on his brakes and run into the back of the
Nissan. Both witnesses saw the Fed-Ex truck run into the back of the Nissan, but one
witness was further away and had his music playing loudly, so that is probably why he
did not hear the screech of the tires. According to the truck driver, there should have
been two sets of skid marks, the Fed Ex truck’s skid marks should have been curvy
instead of straight had he swerved to try to avoid the accident and the skids marks
should have only been 76 ft. long instead of 150 ft. if he was traveling the speed limit.