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WorksheetsElectricity
Total questions: 90
Worksheet time: 1hrs 20mins
Name
Class
Date
1.
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.
2.
Which best describes a series circuit?
a)
It has two light bulbs.
b)
The same current flows through both light bulbs.
c)
It uses a single battery.
d)
The current is divided between the light bulbs.
3.
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.
4.
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.
5.
Which one uses less wire?
a)
Parallel circuit
b)
Series Circuit
6.
How many different types of circuits are there?
a)
1
b)
3
c)
2
d)
4
7.
a)
Bulbs are in parallel - Circuit X is brighter than Circuit Y
b)
Bulbs are in parallel - Circuit Y is brighter than Circuit X
c)
Bulbs are in series - Circuit X is brighter than Circuit Y
d)
Bulbs are in series - Circuit Y is brighter than Circuit X
8.
This circuit does not work because…
a)
the bulbs are not connected properly
b)
two cells are not powerful enough
c)
there is a break in the circuit
d)
the cells are facing each other
9.
This circuit does not work because…
a)
the bulbs are not connected properly
b)
the single cell is not powerful enough
c)
there is a break in the circuit
d)
there is a short crcuit
10.
a)
Circuit X is brighter than circuit Y
b)
Circuit Y is brighter than circuit X
c)
Both circuits have the same brightness
d)
Neither circuit will light the bulbs
11.
The bulb....
a)
lights up brightly
b)
does not light due to a short circuit
c)
does not light as the cells push against each other
d)
may blow as it is in two circuits
12.
a)
all bulbs are lit equally
b)
the two top bulbs are brighter
c)
the single lower bulb is brighter
d)
the single bulb does not light and the other two are dim
13.
when the switch is closed.....
a)
both bulbs TURN ON
b)
both bulbs STAY ON
c)
both bulbs TURN OFF
d)
both bulbs STAY OFF
14.
a)
A2 = A3
b)
A2 + A3 = A1
c)
A1 + A2 = A3
d)
A4 = A2 - A3
15.
The bulb....
a)
lights up brightly
b)
does not light due to a short circuit
c)
does not light as the cells push against each other
d)
may blow as it is in two circuits
16.
a)
all bulbs are lit equally
b)
the two top bulbs are brighter
c)
the single lower bulb is brighter
d)
the single bulb does not light and the other two are dim
17.
when the switch is closed.....
a)
both bulbs TURN ON
b)
both bulbs STAY ON
c)
both bulbs TURN OFF
d)
both bulbs STAY OFF
18.
a)
A2 = A3
b)
A2 + A3 = A1
c)
A1 + A2 = A3
d)
A4 = A2 - A3
19.
a)
closed series
b)
open series
c)
open parallel
d)
closed parallel
20.
What type of circuit is pictured?
a)
A. alternating
b)
B.overloaded
c)
C.parallel
d)
D. series
21.
what is this symbol for?
a)
light bulb
b)
switch
c)
battery
d)
resistor
22.
this is the symbol for a _____?
a)
switch
b)
light
c)
battery
d)
wires
23.
a)
Wire
b)
Battery
c)
Buzzer
d)
Fuse
24.
a)
Bulb
b)
Battery
c)
Horn
d)
Fuse
25.
a)
Series Circuit
b)
Parallel Circuit
26.
a)
Series Circuit
b)
Parallel Circuit
27.
In a parallel circuit, if one connection is broken, all of the connections stop working.
a)
True
b)
False
28.
This is an example of a _______ circuit
a)
open
b)
series
c)
parallel
d)
square
29.
As resistors are added in series to a circuit, the total resistance will
a)
increase
b)
decrease
c)
stay the same
30.
As the resistance of a circuit increases, the current will
a)
increase
b)
decrease
c)
stay the same
31.
As the resistance of a resistor in series increases, the measured voltage across that resistor will
a)
increase
b)
decrease
c)
stay the same
32.
The current through each resistor connected in series
a)
will add up to the total current
b)
is the same everywhere
33.
What types of charges attract?
a)
Positive and Positive
b)
Positive and Neutral
c)
Negative and Neutral
d)
Positive and Negative
34.
The buildup of charges on an object is called:
a)
positive charge
b)
static charge
c)
negative charge
d)
static discharge
35.
Electric charges that are alike _______ each other.
a)
Attract
b)
Repel
36.
Electric charges that are different _______ each other.
a)
Attract
b)
Repel
37.
The difference between attract and repel is that to attract is to pull something closer and repel is to push something away.
a)
True
b)
False
38.
What charge does an electron have?
a)
negative (-)
b)
positive (+)
c)
neutral or no charge (0)
39.
What charge does a proton have?
a)
negative (-)
b)
positive (+)
c)
neutral or no charge (0)
40.
If a substance has a higher number of electrons than protons on its surface, what type of charge does it have?
a)
A positive charge.
b)
A negative charge.
c)
A neutral charge
d)
No charge at all
41.
If an object has the same number of positive and negative charges, its electrical charge is...
a)
positive
b)
negative
c)
neutral or no charge
d)
opposite
42.
Rubbing a balloon on hair is an example of static charge build up created by....
a)
conduction
b)
friction
c)
induction
d)
hairduction
43.
If two objects with static charge are attracted, what do you know about them?
a)
They are both positively charged.
b)
They are both negatively charged.
c)
One is positively charged and one is negatively charged, but you won't be able to tell which is which.
d)
One is positively charged and one is negatively charged, and you can tell which is which by looking at them.
44.
Which subatomic particle has a NEGATIVE charge?
a)
Proton
b)
Neutron
c)
Electron
d)
Nucleus
45.
Which subatomic particle has a POSITIVE charge?
a)
Proton
b)
Neutron
c)
Electron
d)
Nucleus
46.
Static charges build up when
a)
protons move within an object
b)
electrons move within an object
c)
neutrons move within an object
d)
the nucleus moves within an object
47.
Which is an example of static dischage?
a)
a motor
b)
lightning
c)
thunder
d)
insulators
48.
"Static" comes from the Greek word meaning:
a)
stay
b)
discharge
c)
electricity
d)
noise
49.
"Static" comes from the Greek word meaning:
a)
stay
b)
discharge
c)
electricity
d)
noise
50.
What types of charges repel?
a)
Positive and Positive
b)
Positive and Neutral
c)
Negative and Neutral
d)
Neutral and Neutral
51.
Which of the following is NOT a situation caused by static electricity?
a)
hair stands on end when touching a static electricity generator
b)
you get a electric shock when touching a doorknob during dry winter
c)
your hair stands on end when you are frightened
d)
clothes in the dryer cling to one another when no fabric softener is used
52.
Static charges cannot be created or destroyed.
True or False?
True or False?
a)
True
b)
False
53.
The center of the atom is called the _____________.
a)
Electron shells
b)
Proton
c)
Nucleus
d)
HNutshell
54.
A spark occurs when your feet rub against the carpet and gain electron charges and then are touched against an object with more __________ charges
a)
Negative
b)
positive
c)
No charge
55.
Lightning is a ________ form of electricity.
a)
Man-made
b)
Pretty
c)
small
d)
Natural
56.
when you scuff your shoes across the carpet and the air I see dry, your body picks up ________ from the carpet gaining negative charges.
a)
protons
b)
neutrons
c)
electrons
57.
How can you move negative charges from one electrically neutral object to another?
a)
Heat it
b)
Freeze it
c)
Rub it
d)
Blow air on it
58.
What will you likely see during an electrical discharge?
a)
A rainbow
b)
A spark
c)
Red
d)
Moisture
59.
What is matter that has more negative than positive charges?
a)
electric charges
b)
negatively charged
c)
positively charged
d)
static electricity
60.
What is an electric charge that builds up on a material?
a)
electric charge
b)
static electricity
c)
negatively charged
d)
positively charged
61.
What are tiny particles that carry units of electricity?
a)
static electricity
b)
electric charges
c)
positively charged
d)
negatively charged
62.
How might you cause negative charges to build up on your body?
a)
Laughing too much
b)
Rubbing you hands together
c)
Rubbing your feet on carpet
d)
Combing your hair
63.
What will you likely see during an electrical discharge?
a)
A rainbow
b)
A spark
c)
Red
d)
Moisture
64.
How can a build up of charge whilst refuelling a petrol tank be avoided?
a)
use plastic hoses
b)
attach an earth wire
c)
use a plastic fuel tank
d)
re-fuel whilst wearing rubber boots
65.
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
66.
Magnets have a north and a south ___________
a)
shape
b)
color
c)
pole
d)
region
67.
Iron, Nickel and cobalt are all __________________ materials
a)
Shiny
b)
poles
c)
magnetic
d)
cold
68.
Where is the strongest attraction force of the magnet?
a)
at the poles
b)
in the middle
c)
above the magnet
d)
below the magnet
69.
Which object would a magnet attract?
a)
a glass bottle
b)
a piece of paper
c)
a metal paper clip
compass
compass
d)
a rubber eraser
magnetic field
magnetic field
70.
A magnet will attract scissors if the scissors contain:
a)
copper
b)
aluminum
c)
gold
d)
nickel
71.
What happens when two north poles of a magnet are placed together?
a)
they repel
b)
they attract
c)
they cancel each other out
d)
the strength of the magnet is doubled
72.
True or False: All metals are attracted to magnet.
a)
True
b)
False
73.
Which of the following is true about a bar magnet?
a)
Its magnetic field is strongest near its center.
b)
It is surrounded by a magnetic field.
c)
The north pole is stronger than the south pole.
d)
The south pole is stronger than the north pole.
74.
A device that uses a free-moving magnetic needle to show direction is a:
a)
Ruler
b)
magnet
c)
compass
d)
magnetic field
75.
A north pole and a south pole will attract.
a)
True
b)
False
76.
This is a picture of a ________________ magnet.
a)
bar
b)
circle
c)
horseshoe
d)
paddle
77.
Which two metals will be attracted by a magnet?
a)
iron and steel
b)
gold and silver
c)
aluminum and lead
d)
copper and cobalt
78.
The space around a magnet where the force of a magnet can attract best is called__________
a)
magnetism
b)
bar magnet
c)
horseshoe magnet
d)
magnetic field
79.
measure of power
a)
watt
b)
ohm
c)
volt
d)
amp
81.
measure of resistance
a)
watt
b)
ohm
c)
volt
d)
amp
81.
measure of resistance
a)
watt
b)
ohm
c)
volt
d)
amp
82.
Which situation will increase the resistance of a wire?
a)
heat
b)
cold
c)
water
d)
air
83.
Lightening is an example of _____.
a)
Insulator
b)
Electrostatic discharge
c)
Voltage
d)
Conductor
84.
Surrounding every magnet is a __________ __________.
a)
magnetic field
b)
electrical current
c)
another magnet
85.
How do you make an electromagnet?
a)
wrap a battery in wire and connect it to an iron nail.
b)
wrap a wire with another wire and connect it to an iron nail.
c)
wrap an iron nail in wire and connect it to a power source.
d)
wrap an iron nail in wire and connect it to another iron nail.
86.
What kind of magnet can be turned on and off?
a)
refridgerator magnet
b)
electromagnet
c)
magnetite
d)
iron
87.
Iron, Nickel and cobalt are all __________________ materials
a)
Shiny
b)
poles
c)
magnetic
d)
cold
88.
Iron and steel can become _____.
a)
magnetized
b)
transformed into plastics
c)
lined up to the poles
d)
part of the equator
89.
Magnetic field lines are always _____ near the center of a bar magnet.
a)
strongest
b)
weakest
c)
balanced
d)
repelled
90.
Which is not a property of a magnet?
a)
all magnets have two poles
b)
all magnets have a force of attraction or repulsion
c)
all magnets are surrounded by a magnetic field
d)
all magnets can be turned off
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