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Energy Unit Review

Total questions: 63

Worksheet time: 1hrs 11mins

Name
Class
Date
1.

Which of the following is NOT mechanical energy?

a)

Pedaling a bike

b)

Rowing a boat

c)

Turning on a light bulb

d)

ocRunning up a hill

2.
Heat is another name for-
a)
thermal energy
b)
magnetic energy
c)
electrical energy
d)
mechanical energy
3.
This is a picture of a campfire.
What type of energy does the fire make to keep us warm?
a)
electrical
b)
sound
c)
heat
d)
light
4.
What is the energy of motion called?
a)
light
b)
mechanical
c)
sound
d)
moving
5.

Which type of energy does the battery contain?

a)

electrical

b)

light

c)

mechanical

d)

chemical

6.
The glow sticks produce light for a short amount of time. The light from the glow stick is ____________.
a)
heat energy
b)
gravity
c)
magnetism
d)
chemical energy
7.

1. Solar panels change energy from .

a)

Chemical to thermal

b)

Potential to mechanical

c)

Radiant to electrical

d)

Kinetic to chemical

8.

1. Food that you eat provides your body with .

a)

Chemical energy

b)

Electrical energy

c)

Radiant energy

d)

Thermal energy

9.

Examples of radiant energy include:

a)

The Sun & a light bulb

b)

A candle & a match

c)

Coal & a fan

d)

Wood & fireplace

10.

energy is energy stored within the chemical bonds of matter.

a)

Potential

b)

Mechanical

c)

Electrical

d)

Chemical

11.

Forms of light include .

a)

Candles & flashlights

b)

The Sun & Moon

c)

Ultraviolet light & x-rays

d)

Light bulbs & firelight

12.

Green plants use during photosynthesis.

a)

Chemical energy

b)

Mechanical energy

c)

Potential energy

d)

Solar energy

13.

How does heat move?

a)

In many directions

b)

from warm places to cooler places

c)

from cold places to warm places

d)

Both B and C

14.

If you burn your hand on the handle of a hot pot, heat was transferred to your skin by

a)

conduction

b)

convection

c)

radiation

d)

equilibrium

15.

The transfer of energy by electromagnetic waves is called

a)

conduction

b)

convection

c)

radiation

d)

insulation

16.

What type of heat transfer is occurring in the picture below? (the pan is touching the burner)

a)

conduction

b)

convection

c)

radiation

d)

insulation

17.

A material that reduces the flow of heat is a(n)

a)

conductor

b)

insulator

c)

metal

d)

radiator

18.

All of the following are good conductors of heat EXCEPT

a)

Copper

b)

Iron

c)

Plastic

d)

Aluminum

19.

What is the term that refers to a material being a poor conductor of heat?

a)

Insulator

b)

conductor

c)

Convector

d)

Radiator

20.

What type of thermal energy transfer is number 1 pointing to?

a)

Convection

b)

Conduction

c)

Radiation

d)

Insulation

21.

What type of thermal energy transfer is number 2 pointing to?

a)

Convection

b)

Conduction

c)

Radiation

d)

Insulation

22.

What type of thermal energy transfer is number 3 pointing to?

a)

Convection

b)

Conduction

c)

Radiation

d)

Insulation

23.

When a roller coaster is at the top of a hill it has

a)

high potential energy

b)

high kinetic energy

c)

low potential energy

d)

equal amounts of kinetic and potential energy

24.

When a roller coaster is at the bottom of a hill it has

a)

high potential energy

b)

high kinetic energy

c)

low kinetic energy

d)

equal amounts of kinetic and potential energy

25.

Kinetic energy depends on

a)

mass and height

b)

height and speed

c)

mass and speed

d)

mass and force

26.

Potential energy depends on

a)

mass and height

b)

height and speed

c)

mass and speed

d)

height and force

27.

The sum of potential energy and kinetic energy equals

a)

work

b)

transformation

c)

total energy

d)

mechanical energy

28.

Energy and work are measured in

a)

kilograms

b)

meters

c)

Joules

d)

m/s

29.

I am holding a balloon that is full of air, the balloon has

a)

kinetic energy

b)

potential energy

30.

I released a balloon that was full of air and it is flying around the room, the balloon has

a)

kinetic energy

b)

potential energy

31.
Which choice is an example of an inclined plane?
a)
A ramp
b)
Seesaw
c)
Bottle Cap
d)
Ferris Wheel 
32.
The fixed point on the lever is called 
a)
load
b)
resistance
c)
bar
d)
fulcrum
33.
Two examples of a pulley...
a)
knife & axe blade
b)
lightbulb & screw
c)
flagpole hoist & window blinds
d)
catapult & teeter totter
34.
A _____ is a fixed bar that is free to move around a fixed point known as a fulcrum.
a)
pulley
b)
inclined plane
c)
lever
35.
A ______ is a grooved wheel with a rope running along the groove.
a)
lever
b)
pulley
c)
screw
36.
A(n) __________ is a push or pull.
a)
newton
b)
acceleration
c)
force
d)
momentum
37.

Work is done when .....

a)

a force is exerted on an object.

b)

an object exerts force onto another object.

c)

a force is exerted on an object causing the object to move.

d)

an object does not move.

38.

Which model will require the least amount of force?

a)

pulley 1

b)

pulley 2

c)

pulley 3

d)

pulley 4

39.

How can you make an inclined plane more efficient?

a)

cover it with a rough material

b)

make it face the opposite direction

c)

increase the height

d)

increase the length

40.

If you needed to use a lever to move a heavy object, where is the best place to place the load?

a)

next to where the force is applied

b)

directly under the fulcrum

c)

opposite end of the fulcrum

d)

near the fulcrum.

41.

Which of the following is not a lever?

a)
b)
c)
d)
42.

In the diagram above, identify circuit component (part) C.

a)

Conductor

b)

Source

c)

Switch

d)

Transformer

43.

In the diagram above, identify circuit component D.

a)

Switch

b)

Transformer

c)

Conductor

d)

Source

44.

A __________ circuit has only one path for electrons to flow and therefore, when one portion of the circuit is disrupted, the whole circuit shuts down.

a)

Series

b)

Parallel

c)

Incomplete

d)

Complete

45.

A material that allows electricity to flow through the circuit without disruption is known as a _______________.

a)

Switch

b)

Transformer

c)

Conductor

d)

Source

46.

In the diagram above, identify circuit component A.

a)

Conductor

b)

Source

c)

Switch

d)

Transformer

47.

In the diagram above, identify circuit component B.

a)

Switch

b)

Source

c)

Transformer

d)

Conductor

48.

A __________ circuit has more than one path available for electrons to flow through the circuit so if one portion of the circuit is not functioning, the whole circuit does not shutdown.

a)

Open

b)

Parallel

c)

Series

d)

Closed

49.

An example of a conductor of electricity is.....

a)

Rubber

b)

Copper

c)

Glass

d)

Plastic

50.

A material that does not allow electricity to flow through the circuit is known as a _______________.

a)

Conductor

b)

Source

c)

Transformer

d)

Insulator

51.
What is the transfer of electricity in a motor?
a)
chemical to mechanical 
b)
electrical to mechanical
c)
mechanical to electrical 
d)
physical to potential 
52.
What is the transfer of electricity in a generator?
a)
Mechanical to Electrical 
b)
Physical to Potential 
c)
Electrical to Mechanical
d)
Yogurt to Light
53.
Electric fields are often associated with what other kind of field? 
a)
Magnetic Fields 
b)
Nuclear Fields 
c)
Particle Fields 
d)
Corn Fields 
54.
What device is made of coils of wire with an electrical current passing through it in order to generate a magnetic field?  
a)
Electromagnet 
b)
Generator
c)
Electron Magnet 
d)
Motor
55.
When two magnets attract, they ______________
a)
push apart
b)
change color
c)
get colder
d)
pull together
56.
This is a picture of a simple electromagnet. How can the electromagnet be made stronger?
a)
Add more coils of wire to the nail.
b)
Use a smaller battery.
c)
Reverse the poles of the magnet.
d)
Remove all the coils and the nail.
57.
Surrounding every magnet is a __________  __________.
a)
magnetic field
b)
electrical current
c)
another magnet
d)
an enemy
58.
While electric current is flowing through a wire, what surrounds the wire?
a)
a magnetic field
b)
a glowing light
c)
neutrons
d)
protons
59.
Electricity is the flow of _________.
a)
Protons
b)
Neutrons
c)
Electrons
60.
Which subatomic particle has a negative charge?
a)
Proton
b)
Neutron
c)
Electron
d)
Enlighton
61.
What will happen when these magnets are brought close together?
a)
They will attract each other.
b)
They will repel each other.
c)
Both magnets will turn to the left
d)
Both magnets will turn to the right
62.
What does a motor do?
a)
Moves up and down
b)
Rotates without electricity 
c)
It does
d)
Uses electricity to rotate
63.
How are electromagnets different from magnets?
a)
magnets can be turned on/off
b)
you can turn an electromagnet on/off
c)
magnets are more powerful
d)
magnets have a North and South pole

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