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6.ps.3 Law Of Conservation Of Energy, PE, KE
Test Description: Information covering PS.3
Instructions: Answer all questions to get your test result.
1) When mass increases....
A
kinetic energy increases
B
kinetic energy decreases
C
potential energy decreases
D
Potential energy increases
2) When you increase the height of an object you .....
A
increase thermal energy
B
increase its potential energy
C
decrease kinetic energy
D
decrease its potential energy
3) The law of conservation of energy states....
A
energy cannot be created or destroyed, it just changes its form.
B
mass makes all energy
C
mass cannot be created or destroyed
D
energy can be created and destroyed while it changes form
4) Friction is when kinetic energy is changed to.....
A
floor burns
B
mechanical energy
C
potential energy
D
thermal energy
5) What forms of energy are dissipated into on a roller coaster?
A
thermal and sound
B
electrical and mechanical
C
heat and food
D
chemical and sound
6) The point on the rollercoaster where there is the most potential energy.
A
top of the first hill
B
top of the last hill
C
bottom of the first hill
D
bottom of the last hill
7) What point on a rollercoaster has the most kinetic energy?
A
bottom of the hill
B
top of the hill
C
middle of the hill
D
at the platform to get off
8) Potential energy is....
A
energy of position
B
energy of motion
C
can be destroyed
D
ability to do work
9) Kinetic energy is...
A
can be destroyed
B
energy of motion
C
energy of position
D
ability to do work
10) According to the law of conservation of energy ,energy is never lost but....
A
it is how fast it is moving
B
it changes form
C
it is at rest
D
disappears
11) What has to be introduced a roller coaster to get it to stop?
A
velocity
B
acelleration
C
brakes
D
friction and the slope of the track
12) Energy can be transferred from one form to another such as.....
A
rollercoaster
B
both of the answers
C
skatepark
13) Energy can be ......... from one form to another.
A
lost
B
created
C
transferred
D
made
14) When you have PE and KE being transferred back and forth you have.....
A
thermal energy
B
loss of energy
C
mechanical energy
D
energy being created
15) A real life example of energy being transformed or going back and forth is....
A
a kid skateboarding at a skate park
B
a roller coaster
C
all of the listed examples
D
a car going down the road
*select an answer for all questions
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