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- 1. Multiple Choice
a physical variable is something that
is constant
is measurable and can change
does not change
is how something looks
- 2. Multiple Choice
a unit used to measure energy
joule
ounce
degree
centimeter
- 3. Multiple Choice
Energy of motion -
kinetic
potential
both kinetic and potential
neither kinetic or potential
- 4. Multiple Choice
Energy is -
only kinetic, not potential
not required for change
the ability to do work or make a change
only potential, not kinetic
- 5. Multiple Choice
Stored energy is
kinetic
potential
both kinetic and potential
neither kinetic or potential
- 6. Multiple Choice
what do all forms of energy have in common?
the ability to cause changes to a system
no possibility to change
the potential speed of an object
only kinetic energy comes from the sun.
- 7. Multiple Choice
what variables affect the increase or decrease of energy in a system
temperature, speed, position, pressure, and motion
speed and distance
pressure, motion, and speed.
nothing because energy doesn't change
- 8. Multiple Choice
when one type of energy changes to another type of energy
constant
energy conservation
energy transformation
variable
- 9. Multiple Choice
Potential energy and kinetic energy combined are classified as -
solar energy
chemical energy
wind energy
mechanical energy.
- 10. Multiple Choice
If a student is about to release a ball and let it drop, the ball has -
kinetic energy
potential energy
both potential and kinetic energy
neither potential and kinetic energy
- 11. Multiple Choice
When a roller coaster car is at the top of a steep slope, it has -
high potential, high kinetic
low potential, low kinetic
high potential, low kinetic
low potential, high kinetic
- 12. Multiple Choice
which example best demonstrates kinetic energy?
a train moving on tracks
a purse sitting on a chair
an apple on the table
a cat napping in the window
- 13. Multiple Choice
Which action would add potential energy to a box sitting on a table?
opening the box
putting the box on the floor
pushing the box on the floor
lifting the box up high than the table
- 14. Multiple Choice
Which of the following changes will increase the kinetic energy of a snowball at the top of a hill?
melting the snowball from the sun
adding snow to the snowball
pushing the snowball to roll down the hill
cutting the snowball in half to make two.
- 15. Multiple Choice
when an airplane ascends to a higher altitude it -
is demonstrating a conversion of kinetic to potential energy
is demostrating a conversion of potential to kinetic energy
has no conversion of energy
it has both types of energy
- 16. Multiple Choice
When would a marble have the most potential energy?
at the top of a ramp
at the bottom of a ramp
while rolling down the ramp
after coming to a stop
- 17. Multiple Choice
If a red ball is dropped from a height of 3ft. and a blue ball is dropped from a height of 6ft. which ball has the greater potential energy?
red ball
blue ball
they have the same amount of potential energy
neither ball has the greater potential energy
- 18. Multiple Choice
If an object had 39 joules of potential energy and 41 joules of kinetic energy, what is the total energy of the object?
100 joules
2 joules
80 joules
78 joules
- 19. Multiple Choice
The more a rubber band is stretched the more kinetic energy it has.
true
false
- 20. Multiple Choice
Potential energy is the moving energy in an object.
true
false
- 21. Multiple Choice
which is the best example of an object with only potential energy?
a tennis ball in motion after it is hit
fan blades pushing air
a rock resting on the top of a cliff
a dog chasing his tail.
- 22. Multiple Choice
When an object is at rest it does not have any kinetic eneryg
true
false
- 23. Multiple Choice
When a roller coaster car reaches the bottom of a steep slope, it has -
low potential, maximum kinetic
maximum potential, maximum kinetic
no potential, high kinetic
equal potential and kinetic
- 24. Multiple Choice
Which of the following best represents potential energy?
walking down the stairs.
water running from a faucet
a sail boat moving across a lake
a toy car at the top of a ramp.
- 25. Multiple Choice
How can a student increases the potential energy of a marble set up to roll down a ramp?
increase the length of the ramp
increase the height of the ramp
change the size of the marbles
increase the speed of the marbles
- 26. Multiple Choice
As a toy car rolls down a ramp the
potential decreases and the kinetic increases
potential increases, and kinetic decreases
both kinetic and potential increase
both kinetic and potential stay the same
- 27. Multiple Choice
Which represents a change from potential to kinetic energy
a rubber band being stretched, then released
a box sitting on a table
water flowing over a tall cliff
a gymnast doing flips then stopping
- 28. Multiple Choice
When a car drives up a hill, what has been increased?
kinetic energy
potential energy
neither potential or kinetic
both potential and kinetic
- 29. Multiple Choice
How are potential and kinetic energy similar?
each are demonstrated when an object is at rest
each increase as the mass of an object increases
they can not be converted to the other form
they have nothing in common
- 30. Multiple Choice
Where on a roller coaster would the car be located that represents the greatest potential energy?
the highest peak
the lowest point
the middle point
at the end of the ride
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