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WorksheetsMELTS/ Circuits
Total questions: 75
Worksheet time: 2hrs 6mins
Name
Class
Date
1.
Which of the following best uses mechanical energy to perform a useful task?
a)
flashlight
b)
pencil sharpener
c)
candle
d)
solar calculator
2.
What energy form is this?
a)
Mechanical
b)
Light
c)
Sound
d)
Electrical
3.
The type of energy that allows us to hear is
a)
Mechanical
b)
Sound
c)
Light
d)
Electric
4.
What type of energy is generated when a doorbell rings?
a)
Light
b)
Thermal
c)
Sound
d)
Solar
5.
Which is NOT an example of the use of sound energy?
a)
beating a drum
b)
talking
c)
playing music on the radio
d)
cooking hot dogs
6.
Energy produced by vibrations.
a)
mechanical
b)
sound
c)
light
d)
thermal
7.
What form of energy is this?
a)
Sound
b)
Electrical
c)
Thermal
d)
Light
8.
What form of energy is this?
a)
Sound
b)
Thermal
c)
Light and Electrical
d)
Mechanical
9.
The Sun produces
a)
light and heat energy
b)
sound and light energy
c)
heat and sound energy
d)
electrical and light energy
10.
What object can change electrical energy into light energy?
a)
A candle
b)
A fire
c)
A lamp
d)
A radio
11.
What is an example of thermal energy?
a)
A can
b)
A heater
c)
A bed
d)
A girl
12.
Which object is the best conductor of electricity?
a)
A ceramic mug
b)
A plastic fork
c)
A penny
d)
A wooden craft stick
13.
Which statement is true about the picture?
a)
The metal pan causes the water to boil.
b)
The metal pan is a poor conductor of heat.
c)
The wooden handle is a good heat insulator.
d)
The wooden handle is a good heat conductor.
14.
You are taking a cold soda on a field trip. You must choose from four containers in which to carry the soda. The four containers are made of different materials. Which container will most likely insulate the soda the best?
a)
Metal
b)
Styrofoam
c)
Glass
d)
Plastic
15.
Which form of energy is produced when a guitar string vibrates?
a)
Sound energy
b)
Electrical energy
c)
Chemical energy
d)
Light energy
16.
Which form of energy is produced when a lamp is switched on?
a)
Sound energy
b)
Electrical energy
c)
Chemical energy
d)
Light energy
17.
You can have sound without vibrations.
a)
TRUE
b)
FALSE
18.
Which of the following is NOT a form of thermal energy?
a)
Sun
b)
Bicycle moving
c)
Fire
d)
Oven
19.
Which best describes a parallel circuit?
a)
Electricity flows along one pathway.
b)
The flow of electricity comes from one source.
c)
Electricity flows along more than one pathway.
d)
The flow of electricity comes from more than one source.
20.
What is one problem with using a series circuit?
a)
It has a lot of series.
b)
If one goes down, they all go down!
c)
It doesn't work properly.
d)
There are no problems.
21.
What is one benefits of using a parallel circuit?
a)
It gets confusing.
b)
There are no problems.
c)
If one goes down, it does not affect the others.
d)
Porque es para llelio.
22.
Which one uses less wire?
a)
Parallel circuit
b)
Series Circuit
23.
a)
Open switch
b)
Closed switch
c)
Open door
d)
Thermistor
24.
a)
Motor
b)
Milliammeter
c)
Machine
d)
Microphone
25.
A material in which electrons are not able to move easily
a)
Circuit
b)
Insulator
c)
Resistance
d)
Conductor
26.
This circuit has more than one loop. When one light goes out, the others stay on.
a)
closed circuit
b)
series circuit
c)
parallel circuit
d)
open circuit
27.
A material in which electrons are able to move easily
a)
Circuit
b)
Insulator
c)
Resistance
d)
Conductor
28.
wood is a _____?
a)
conductor
b)
insulator
29.
Which best describes a simple series circuit?
a)
Electricity flows along one pathway.
b)
The flow of electricity comes from the switch.
c)
Electricity flows along many pathways.
d)
The flow of electricity comes from the light bulb.
30.
What is a switch's function in a circuit?
a)
to make the current hotter or colder
b)
turn on and off the flow of current
c)
the pathway that current flows
d)
to add more power to the circuit
31.
What is a Parallel circuit?
a)
Has only one path
b)
Has more than one path
c)
Allows energy to travel through easily
32.
In a Series circuit the more lightbulbs you add the brighter they get
a)
False
b)
True
33.
The picture shows an electrical circuit. This circuit is a series circuit because:
a)
It has 3 light bulbs.
b)
The same current flows through all three light bulbs.
c)
It uses a single battery.
d)
The electrical current is divided between the three light bulbs.
34.
In a parallel circuit if one light bulb goes OUT; then they ALL go out. TRUE OR FALSE?
a)
TRUE
b)
FALSE
35.
this is the symbol for a _____?
a)
switch
b)
light
c)
battery
d)
wires
36.
This is the symbol for a ...
a)
Wire
b)
Battery
c)
Buzzer
d)
Fuse
37.
The type of circuit used in your home is a _______ circuit.
a)
series
b)
parallel
38.
Opening and closing a _______ will turn on and off the circuit.
a)
light bulb
b)
switch
c)
resistor
39.
A ceiling fan converts electrical energy into ______________________________.
a)
mechanical energy
b)
sound energy
c)
thermal energy
d)
heat energy
40.
The sun is a source of what type of energy?
a)
sound energy
b)
light energy
c)
chemical energy
d)
mechanical energy
41.
A metal spoon is a _________________.
a)
circuit
b)
insulator
c)
energy
d)
conductor
42.
When creating a circuit, what type of energy flows out of the battery?
a)
heat energy
b)
electrical energy
c)
light energy
d)
mechanical energy
43.
When warming up by a fireplace, what type of energy is given off?
a)
mechanical energy
b)
heat energy
c)
sound energy
d)
magnetic energy
44.
Tires are made of rubber. Rubber is an example of ___________________.
a)
a conductor
b)
energy
c)
an insulator
d)
a circuit
45.
When creating a series circuit with two light bulbs and one of the light bulbs go out, what will happen to the circuit?
a)
The other light bulb will stay on
b)
The battery will burn
c)
The other light bulb will go off as well
d)
Nothing will happen
46.
What type of circuit is show in the image?
a)
Series Circuit
b)
Parallel Circuit
47.
This instrument can be used to see if materials conduct electricity. Which of these groups contains items that could all conduct electricity to complete the circuit?
a)
rubber ball, plastic comb, nail
b)
paper clip, penny, screw
c)
cork, dollar bill, tweezers
d)
pencil, eraser, spoon
48.
Will the light bulb in this circuit light and why/why not?
a)
yes, because it has two batteries
b)
no, because the switch is open
c)
yes, because it is in a circuit
d)
no, because the bulb is burned out
49.
What will happen if one light bulb is removed from this circuit?
a)
the other bulbs will go out
b)
the other bulbs will get dimmer
c)
the other bulbs will get brighter
d)
the battery will become stronger
50.
What energy is electrical energy?
a)
energy created by electrons
b)
puppy monkey baby
c)
protons
d)
dancing
51.
What is a gravitational field?
a)
gravitational fields are electrical fields
b)
a gravitational field surrounds the earth, providing a force that pulls us.
c)
gravitational fields is a bunch of brown gravy in a field
d)
gravitational field is the electric slide
52.
What type of circuit is represented by the diagram?
a)
closed
b)
series
c)
open
d)
parallel
53.
Which material would make the best conductor?
a)
paper
b)
copper
c)
glass
d)
wood
54.
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.
55.
An electrician is wearing rubber gloves for protection. The purpose of the rubber gloves is to --
a)
keep the electrician dry
b)
create an electrical circuit
c)
produce electricity
d)
protect the electrician
56.
This image represents what type of circuit?
a)
open
b)
closed
c)
series
d)
parallel
57.
What type of circuit is represented by the diagram?
a)
closed
b)
series
c)
open
d)
parallel
58.
A class prepared some electrical circuits using battery, connecting wires, and three light bulbs. Which of these circuits can make the three bulbs light?
a)
A
b)
B
c)
C
d)
D
59.
What is the power source in this circuit?
a)
Lightbulb
b)
Switch
c)
Wires
d)
Battery
60.
a)
Switch S only
b)
Switches R, S, and T only
c)
Switches R and T only
d)
Switches R and S only
61.
What side of the battery do the electrons come out of?
a)
Positive
b)
Negative
c)
North Pole
d)
South Pole
62.
In an open circuit, the current ...?
a)
Does not flow
b)
Flows rapidly
c)
Flows slowly
63.
When the switch is on, what is happening to the current of electrons?
a)
Flowing, Lights off
b)
Flowing, Lights on
c)
Not flowing, lights off
d)
Not flowing, lights on
64.
A good conductor of electricity is?
a)
Copper
b)
Gold
c)
Silver
d)
All of the above
65.
What can you place in between the wires to make light bulb lit?
a)
Penny
b)
Ruber eraser
c)
Wood Cork
d)
Cotton Ball
66.
All of the following metals are good ???
a)
Insulators of Electricity
b)
Attracted to magnets
c)
Conductors of Electricity
d)
Insulators of Thermal Energy
67.
If 1 light bulb turns off, how many lights stay on?
a)
3
b)
2
c)
1
d)
0
68.
If 2 of the light bulbs turn off how many lights will remain lit?
a)
3
b)
2
c)
1
d)
0
69.
If the wire is cut anywhere in the circuit, how many lights will stay lit (on)?
a)
3
b)
2
c)
1
d)
0
70.
What is the difference between series and parallel circuits?
a)
Series 1 pathway, parallel more than 1 pathway
b)
Series more than 1 pathway, parallel 1 path
c)
Both Same
71.
If yellow light goes off, how many will remain lit (on)?
a)
0 (series circuit)
b)
1
c)
2
d)
All of them (parallel circuit)
72.
If the green light goes off how many will remain lit (on)?
a)
0 (series circuit)
b)
1
c)
2
d)
ALL of them (parallel circuit)
73.
What is this picture of?
a)
Circuit
b)
Electrobattery
c)
Electromagnet
d)
Density Column
74.
What can make the iron nail a stronger magnet?
a)
Replace the battery
b)
Replace the nail
c)
Replace the wire
d)
More coils or wrap more around nail
75.
An electromagnet will attract which item?
a)
Plastic paper clip
b)
Metal paper clip
c)
Wood stick
d)
Copper Pan
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