Download MULTIPLE CHOICE – ENERGY REVIEW Name: Core: ____ Date

MULTIPLE CHOICE – ENERGY REVIEW
A.
B.
C.
D.
Name: _____________________
___1. Joni was listening to her music player when the
batteries in it died and the player shut off.
Why did the batteries in Joni's music player die?
All of the energy in the batteries was destroyed to
power the player.
Batteries are an infinite energy source, so something
must be wrong with them.
Batteries that get too hot from creating energy can
sometimes die.
All of their chemical energy was converted into other
forms of energy.
A.
B.
C.
D.
___2. Where does the energy harnessed by wind
turbines come from?
the potential energy of the turbine blades
the chemical energy of a battery
the mechanical energy of air molecules
the electrical energy of a power plant
A.
B.
C.
D.
___3. Tyler stretches a rubber band so that it is tight.
The stretched rubber band has
electrical energy.
kinetic energy.
magnetic energy.
potential energy.
A.
B.
C.
D.
___4. Which of the following objects has the most
kinetic energy?
a spring that is compressed
a bicycle going 10 miles per hour
a rock sitting on the edge of a cliff
a car going 60 miles per hour
A.
B.
C.
D.
A.
B.
C.
D.
A.
B.
C.
D.
B.
C.
D.
___5. Which of the following is the correct definition
of mechanical energy?
energy an object has because of its motion or position
energy stored in chemical bonds of molecules
energy produced from the splitting of atoms
energy resulting from the flow of charged particles,
such as electrons or ions
___6. Objects that have potential energy
cannot have any kinetic energy.
can lose it if it is not used quickly.
do not use their energy until they move.
are not affected by the force of gravity.
Date: ______________
___7. There are many different sources from which
electrical energy can be acquired. Which source creates
the most direct pollution?
burning fossil fuels
hydroelectric energy
solar power
wind power
___8. When energy changes from one form to another,
some energy is always changed to
A. light.
C. sound
B. electricity.
D. heat
A.
A.
B.
C.
D.
Core: ____
___9. A light bulb is turned on. It produces light and
warms up. Which statement is true?
All the electrical energy is transformed to heat energy.
All the electrical energy is transformed to light energy.
Some of the electrical energy is transformed to light
energy and some is destroyed.
All the electrical energy is transformed to light energy
and heat energy.
___10. Which of the following is an example of kinetic
energy being converted to potential energy?
The cord of a bow-and-arrow is released, propelling the
arrow forward.
At an ice rink, an ice skater gives another ice skater a
gentle push.
On a factory assembly line, boxes slide down a ramp.
A bike rider stops pedaling and lets his bicycle coast up
a hill.
___11. The following diagram of a pendulum shows the
path it takes as it swings back and forth.
A.
B.
C.
D.
As the pendulum moves from point 2 to point 3, what
happens to its mechanical energy?
Kinetic energy is converted to potential energy only
once.
Potential energy is converted to kinetic energy and back
again.
Kinetic energy is converted to potential energy and back
again.
Potential energy is converted to kinetic energy only
once.
___12. Clyde and Marilyn are riding a roller coaster.
During which section(s) of the track is their kinetic
energy converted to potential energy?
A.
B.
C.
D.
___17. When two objects push or pull on each other,
which type of energy is being transferred?
sound energy
electrical energy
mechanical energy
chemical energy
___18. Which of the following items has the most
kinetic energy?
A.
B.
C.
D.
from point A to point B only
from point B to point D only
from point A to point B and from point C to point D
from point B to point C only
A.
B.
C.
D.
___13. When talking on a phone, the voice is
transformed into electrical energy. This energy passes
over wires or is transmitted through the air. Into what
kind of energy does the speaker in the phone on the
other end change the electrical energy?
sound
mechanical
heat
light
A.
B.
C.
D.
___14. In a closed electrical circuit, what visible
evidence indicates that energy is flowing?
connected wires
a new battery
a lightbulb lighting up
a closed switch
___15. What is a wind turbine often used for?
A. converting the energy in sunlight into mechanical
energy
B. converting chemical energy into mechanical energy
C. converting thermal energy into electrical energy
D. converting mechanical energy into electrical energy
A.
B.
C.
D.
___16. When a warm object is placed near or in contact
with a cooler object, which type of energy will be
transferred?
heat energy
chemical energy
mechanical energy
electrical energy
A.
B.
C.
D.
A 10 kg ball that is rolling 10 m/s.
A 10 kg ball that is rolling 5 m/s.
A 20 kg ball that is rolling 10 m/s.
A 20 kg ball that is rolling 5 m/s.
___19. Which of the following items has the most
potential energy?
A.
B.
C.
D.
A 10 kg ball that is 10 meters high.
A 10 kg ball that is rolling 10 m/s on the ground.
A 20 kg ball that is 10 meters high.
A 30 kg ball that is rolling 20 m/s on the ground.
___20. Which of the following is NOT an example of
chemical energy?
A.
B.
C.
D.
Burning fossil fuels
A battery
A plant that does photosynthesis
Electromagnetic waves