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Energy Conversions - Ergstown

Total questions: 53

Worksheet time: 2hrs 39mins

Name
Class
Date
1.

What is the energy conversion when you plug in a stereo and listen to music?

a)

electrical to motion

b)

chemical to heat

c)

electrical to sound

d)

potential to sound

2.

What is the energy conversion when you burn wood for a fire?

a)

electrical to thermal

b)

light to motion

c)

chemical to thermal

d)

chemical to electrical

3.

What is the energy conversion when you put batteries in a flashlight to make it turn on?

a)

chemical to light

b)

light to motion

c)

chemical to thermal

d)

nuclear to light

4.

What is the energy conversion when you plug in a charger to charge a battery?

a)

electrical to light

b)

kinetic to potential

c)

thermal to chemical

d)

electrical to chemical

5.

What is the energy conversion when a wind turbine turns to provide energy to a power grid?

a)

electrical to motion

b)

potential to motion

c)

kinetic to electrical

d)

nuclear to heat

6.

What is the energy conversion when you plug in a fan?

a)

potential to motion

b)

potential to heat

c)

heat to electrical

d)

electrical to motion

7.

What is the energy conversion when you eat food for fuel to go for a run?

a)

chemical to nuclear

b)

kinetic to chemical

c)

chemical to motion

d)

potential to chemical

8.

What is the energy conversion when you burn charcoal to cook food on a grill?

a)

thermal to chemical

b)

light to kinetic

c)

chemical to thermal

d)

chemical to nuclear

9.

What is the energy conversion when you use gasoline to make a car move?

a)

chemical to motion

b)

chemical to potential

c)

potential to light

d)

nuclear to motion

10.
What kind of energy is represented in this picture?
a)
Thermal
b)
Potential
c)
Nuclear
d)
Mechanical
11.
What kind of energy does this device use?
a)
Chemical
b)
Electrical
c)
Thermal
d)
Chemical
12.
What kind of energy is represented in the picture?
a)
Thermal
b)
Chemical
c)
Sound
d)
Nuclear
13.
The glow sticks produce light for a short amount of time. The light from the glow stick is a conversion from what to what?
a)
thermal to light
b)
gravitational to potential
c)
radiant to electrical
d)
chemical to light
14.
The ability to do work is
a)
power
b)
energy
c)
thermal
d)
kinetic
15.
Heat energy is also called
a)
electrical energy
b)
chemical energy
c)
light energy
d)
thermal energy
16.

Steam is an example of _____________energy.

a)

light

b)

thermal

c)

sound

d)

electrical

17.

A windmill is an example of ________________energy.

a)

thermal

b)

mechanical

c)

light

d)

electrical

18.
This circuit won't work. What essential part is missing from this circuit?
a)
resistance
b)
source of electric current
c)
conductor
d)
ammeter
19.
The best conductors for electricity are made of...
a)
wood
b)
plastic
c)
rubber
d)
metal
20.
If you replace the paper clip with a plastic spoon, what happens?
a)
The bulb doesn't light
b)
The bulb is dimmer
c)
The wires get hot
d)
There is no change
21.
Levi is wanting to light a bulb.  What does he need to get the bulb to light?
a)
A battery and a paper clip
b)
A battery and a wire
c)
A paper clip and a wire
d)
A switch and a wire
22.
Which of these objects is an insulator?
a)
Copper Wire
b)
Paper Clip
c)
Steel Pole
d)
Rubber Gloves
23.
An object through which electrons can easily flow is called a(n) ___________.
a)
Conductor
b)
Insulator
24.
Which statement is true?
a)
The light bulb will light up because the  circuit is complete.
b)
The light bulb will light up because the  circuit is broken.
c)
The light bulb will not light up because the  circuit is complete.
d)
The light bulb will not light up because the  circuit is broken.
25.
Would would best complete this circuit?
a)
A wire
b)
A switch
c)
A battery
d)
A light bulb
26.
This circuit is .....?
a)
open
b)
parallel
c)
closed
d)
shows the flow of electricity
27.
When all parts of the circuit are connected, it is a ______ circuit. 
a)
open
b)
closed
28.
When you flip a light switch on and off you are closing and opening a circuit.
a)
true
b)
false
29.
Which of these best completes the circuit?
a)
rubber band
b)
metal nail
c)
leather shoelace
d)
wooden toothpick
30.
Which light will be brighter and why?
a)
Bulb A because its circuit is closed
b)
Bulb B because its circuit is closed
c)
Bulb B because it has more volts
d)
Bulb A because it has less volts
31.
Look at the picture.  Why won't the light bulb light up?
a)
The wires from the light bulb are not connected to the battery
b)
The switch is not closed to form a complete circuit 
c)
The wires from the light bulb are not connected to the switch 
d)
The wires from the battery are not connected to the switch 
32.
Look at the picture.  What causes the light bulb not to light up?
a)
The wires from the second light bulb are not connected to the battery
b)
The wires are not connected between the light bulbs 
c)
The wires are not connected to both sides of the first light bulb
d)
The wires are too long to complete the circuit 
33.
Pick the correct sentence.
a)
This circuit will work because it is a closed circuit.
b)
Energy will freely flow in this circuit.
c)
This circuit will not work because there is no energy source.
d)
This circuit will not work because there is no switch.
34.
If one part of the system fails ...... 
a)
The system will not work as well. 
b)
The system will be just fine. 
c)
More people will like the Steelers. 
d)
the system will explode. 
35.
A group of parts that work together to achieve a goal. 
a)
matter 
b)
system 
c)
conduction 
d)
solar energy 
36.
This is anything that enters a system. 
a)
process 
b)
inside 
c)
output 
d)
input
37.
This is anything that leaves a system. 
a)
process 
b)
input 
c)
output 
d)
feedback 
38.

The _____ of a part of a system is its job or role within the system.

a)

feedback

b)

function

39.

A system input is

a)

something that happens within a system.

b)

something that goes into a system.

c)

something that comes out of a system.

d)

something that is always man-made.

40.

A system output is

a)

something that happens within a system.

b)

something that goes into a system.

c)

something that comes out of a system.

d)

something that is always man-made.

41.

Does this picture illustrate a system?

a)

yes

b)

no

42.

Are you working together?

a)

Yes

b)

No, but I should be.

43.

Which is not a 4th Grade Homeroom?

a)

Morehouse

b)

Spelman

c)

Rutgers

d)

Brooklyn College

44.
Name the Energy Conversion of a Clothing Dryer. 
a)
Chemical→ Thermal and Radiant
b)
Electrical → Elastic, Thermal and Sound 
c)
Gravitational → Nuclear, Sound and Thermal 
d)
Electrical → Thermal, Motion and Sound 
45.
Name the Energy Conversion of a fan that is turned on. 
a)
Chemical → Radiant, Thermal and Sound
b)
Electrical → Thermal, Sound and Motion
c)
Gravitational → Thermal, Sound and Radiant
d)
Chemical → Elastic, Motion and Sound 
46.

Name the Energy conversion from the Sun to a growing apple tree.

a)

Nuclear → Electrical

b)

Gravitational → Thermal

c)

Chemical → Motion

d)

Light → Chemical

47.

A device that converts Electrical Energy and into Thermal Energy.

a)

A Battery

b)

A Hair Dryer

c)

A Bicycle

d)

Your Stomach

48.

A device that converts Electrical Energy to Light energy.

a)

A Blender

b)

A Light Bulb

c)

A Bicycle

d)

A Balloon

49.

VOCABULARY

The most complete defintion of a/an electrical device is ___________________________ .

a)

a machine that converts electrical energy to another form of energy

b)

a proposed answer to a question

c)

a group of parts that work together

d)

the form of energy that is transferred through wires

e)

the use of evidence to say why one idea is best

50.

What was the energy source for the simple electrical system that you first built?

a)

the fan

b)

the solar panel

c)

the motor

d)

the sun

51.

What was the part that CONVERTED solar energy to electical energy in the simple electrical system that you first built?

a)

the fan

b)

the solar panel

c)

the motor

d)

the sun

52.

What was the part that CONVERTED electrical energy to motion energy in the simple electrical system that you first built?

a)

the fan

b)

the solar panel

c)

the motor

d)

the sun

53.

What was the part that you observed moving in the simple electrical system that you first built?

a)

the fan

b)

the solar panel

c)

the motor

d)

the sun

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