Energy and Energy Transformations Test Review
Name: __________________________
1. Amanda is pulling her wagon filled with boxes of candy. Several boxes fall to the ground. As the
boxes fall, what is the change in the amounts of kinetic energy and potential energy associated
with the boxes?
a. The kinetic energy increases, and the potential energy increases.
b. The kinetic energy increases, and the potential energy decreases.
c. The kinetic energy decreases, and the potential energy increases.
d. The kinetic energy decreases, and the potential energy decreases.
2. To the right is a diagram of a roller coaster.
At which point does the roller coaster have the
MOST potential energy?
a. point A
b. point B
c. point C
d. point D
3. Which is the best example of potential energy
and kinetic energy transforming from one form
to another?
a. A swinging pendulum each time it
changes directions.
b. A skateboarder on a sidewalk.
c. An electric mixer mixing cake batter.
d. A puppy chewing a bone.
4. The law of conservation states
a. Energy can be created and destroyed.
b. Energy is never created nor destroyed.
c. What goes up must come down.
d. Electrical energy can be transformed into other
forms.
5. Where is the potential energy greatest on the roller coaster
to the right?
a. At the dip two cars past the red arrow.
b. As the car is moving up the hill 3 cars past the red
arrow.
c. At the top of the hill before the red arrow.
d. There is no example of potential energy.
6. Where is the kinetic energy GREATEST?
a. As the biker is climbing the hill.
b. As the biker is at the top of the hill.
c. AS the biker is on the downside of the hill.
d. There is no example of kinetic energy.
7. __________ energy is the type of energy light carried by electromagnetic waves.
a. Magnetic
b. Thermal
c. Radiant
d. Electrical
8. During energy transformations, energy is never __________.
a. Released as heat
b. Used to increase an object's potential energy
c. Created or destroyed
d. Completely transformed
9. A baseball is hit into the air with a bat. When does the baseball have the greatest gravitational
potential energy?
a. When it reaches its highest point
b. When the mechanical and kinetic energies of the baseball are equal
c. When it leaves the bat
d. When it hits the ground
10. __________ is energy stored by things that stretch or compress.
a. Elastic potential energy
b. Chemical kinetic energy
c. Elastic kinetic energy
d. Gravitational potential
11. Energy is the ability to
a. use gravity.
b. hold objects.
c. cause change.
d. keep things the same.
12. Which has more kinetic energy?
a. a truck traveling at 25 mph
b. a car traveling at 25 mph
c. a car traveling at 10 mph
d. a truck sitting still
13. A large boulder on a hill has more ______________ energy than the small rocks around it.
a. sound
b. kinetic
c. potential
d. electric
14. Which situation is an example of work?
a. a person holding several tools
b. a person sitting in a parked car
c. a person hitting a pitched baseball
d. a person laying down
15. ______________________________ energy is the total energy of kinetic energy and potential
energy in a system of objects?
16. When you do ___________________ on an object, the energy of that object increases.
17. The type of energy stored in food that your body uses to move is ______________________
energy.
18. The gravitational potential energy of an object depends on its _____________________ and
________________________.
19. The kinetic energy of an object depends on its _____________________.
20. What happens to potential energy when a ball is tossed into the air?
a. It never changes.
b. It increases as the ball approaches its highest point.
c. It decreases as the ball approaches its highest point.
d. It disappears
21. When a ball is thrown into the air, its kinetic energy is lowest
a. at its highest point.
b. at the moment it is released.
c. as it begins to fall back to the ground.
d. all the time. It does not change.
22. What type of energy transformation occurs when plants capture sunlight to make food during
photosynthesis?
a. Radiant energy becomes chemical energy.
b. Thermal energy becomes chemical energy.
c. Nuclear energy becomes mechanical energy.
d. Chemical energy becomes thermal energy
23. When energy transforms
a. Much of it is lost as sound energy
b. Much of is it lost as thermal energy
c. Much of it is used up and disappears
d. It can only transform into one other type of energy
24. When the string of a guitar is plucked, ________________ energy is produced.
a. Mechanical
b. Elastic potential
c. Thermal
d. Sound
25. Which type of energy is released when things burn?
a. Chemical potential energy
b. Elastic potential energy
c. Electrical energy
d. Nuclear energy
26. A pendulum ball swings back and forth in an arc. Which describes the energy conversion process
as the pendulum moves from left to right?
a. Kinetic energy to chemical energy to potential energy
b. Kinetic energy to potential energy back to kinetic energy
c. Potential energy to kinetic energy to sound energy
d. Potential energy to kinetic energy to radian energy
27. A person jumps out of an airplane with a parachute. Which type of energy is decreasing as the
person falls towards the ground?
a. Chemical
b. Kinetic
c. Mechanical
d. Potential
28. On the coaster to the right, point A and
point D are the same height. Assuming
the car starts at point A and does not
get help, will the car have enough
energy to make it to point D?
a. Yes, the car gains energy as it
falls from A to B.
b. Yes, none of the cars energy is
lost.
c. No, energy of the car is lost when the car climbs from B to C.
d. No, energy of the car is transformed to thermal energy through friction with the track.
29. What energy transformation takes place when you turn on an electric light?
a. Chemical → light + heat
b. Chemical → electrical + heat
c. Mechanical → light + heat
d. Electrical → light + heat
30. What does your body convert into energy?
a. Water
b. Glucose in food
c. Hair
d. Vitamins