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Unit 1: Electricity and Magnetism Study Guide

Total questions: 121

Worksheet time: 1hrs 15mins

Name
Class
Date
1.
In a ________ circuit there are multiple paths for the current to take.
a)
Series
b)
Parallel
2.
In a _________ circuit, if one bulb goes out then the entire circuit doesn't work.
a)
Series
b)
Parallel
3.
What type of circuit is pictured?
a)
series
b)
parallel
4.
What kind of circuit is this?
a)
Series
b)
Consecutive
c)
Parallel
d)
Training
5.
What type of circuit is pictured?
a)
series
b)
Parallel
6.
A circuit made of wires, a lamp, a switch, and a cell is shown at the right. What change is needed for the lamp to glow? 
a)
The switch needs to be opened.
b)
The switch needs to be closed.
c)
The cell needs an insulator.
d)
The wire needs to be connected to the bottom of the cell.
7.
Which statement best explains why the lamp does not glow? 
a)
Circuit 1 is an open circuit.
b)
 Circuit 1 is a closed circuit.
c)
 The negative terminal of Circuit 1 is connected to the cell.
d)
The positive terminal of Circuit 1 is connected to the cell.
8.

Which of these will repel each other?

a)

Negatively charged balloon and positively charged sphere.

b)

Negatively charged balloon and neutral sphere.

c)

Negatively charged balloon and negatively charged sphere.

d)

Negatively charged balloon and neutral wall.

9.

If the light bulb in the middle burned out, what would happen to the other two?

a)

The light bulb to the left would stay lit, but the one to the right would turn off.

b)

They would both stay lit.

c)

The light bulb to the right would stay lit, but the one to the left would turn off.

d)

They would both turn off.

10.

Which is an example of static electricity?

a)

Neutrons are located in the center of an atom

b)

A light bulb turns on when the circuit is closed

c)

An electromagnet picks up metal objects

d)

a boy shocks his sister after sliding his feet across the carpet

11.

What is the build up of electrical charges in one place called?


a)

neutrons

b)

static electricity

c)

insulator

d)

conductor

12.

What type of electric circuit only has ONE path for the electricity to flow?

a)

series

b)

parallel

c)

open

d)

none of the above

13.

Items that have opposite charges do what?

a)

attract

b)

repel

c)

nothing changes

14.

Items that have the same charge will do what?

a)

attract

b)

repel

15.

If the light bulb turns ON in a circuit, that means the circuit is


a)

open

b)

closed

16.

Imagine you are creating a circuit. It works and the light bulb turns on. Then you add a piece of plastic to the circuit, and the light bulb does not turn on. We can infer that the plastic is

a)

an insulator

b)

a conductor

c)

an electron

d)

static electricity

17.

A parallel circuit has more than one path for electricity to flow

a)

true

b)

false

18.

What is the purpose of a fuse?

a)

to break the circuit and turn the power off if there is too much power being run

b)

to add more power to the circuit

c)

to be a conductor

d)

to be an insulator

19.

What kind of electricity is natural (example: lightning)?

a)

current electricity

b)

static electricity

c)

power source

d)

insulator

20.

This picture shows a circuit that is

a)

closed

b)

open

c)

an insulator

d)

static electricity

21.

Which of the following is a conductor?

a)

wood

b)

rubber

c)

metal

d)

plastic

22.

Which of the following is an insulator?

a)

an eraser

b)

a wire

c)

a penny

d)

a metal spoon

23.

What is electricity?

a)

an object that electrons do not flow through

b)

energy created by moving charged particles

c)

when two objects repel each other

d)

a circuit that has only one path for electricity to flow

24.

A form of energy caused by the movements of electrons

a)

electricity

b)

electron

c)

electric current

d)

series circuit

25.

Flow of electrons or charge through a circuit.

a)

parallel circuit

b)

closed circuit

c)

open circuit

d)

electric current

26.

a path in which electrons from a voltage or current source flow. Consists of a battery, a wire, a load & a switch to open and close a circuit.

a)

electric circuit

b)

series circuit

c)

electricity

d)

electric current

27.

an incomplete circuit through which electricity will not flow

a)

open circuit

b)

electron

c)

closed circuit

d)

electric circuit

28.

An electric circuit through which current can flow in an uninterrupted path.

a)

closed circuit

b)

volts

c)

conductor

d)

insulator

29.

A material that allows heat and electricity to pass through it.

a)

electron

b)

parallel circuit

c)

conductor

d)

insulator

30.

A material that does not allow heat or electrons to move through it easily.

a)

methods of generating power

b)

closed circuits

c)

conductor

d)

insulator

31.

An electric circuit with only one path through which charge can flows. All components are connected in a series.

a)

voltage circuit

b)

series circuit

c)

parallel circuit

d)

electric current

32.

A circuit that contains more than one path for current flow.

a)

voltage circuit

b)

series circuit

c)

parallel circuit

d)

electric current

33.

A measure of how strong the available electricity is.

a)

amps

b)

volts

c)

ohms

d)

m/s

34.

coal fired, hydroelectricity, gas fired, solar, wind

a)

parallel circuit

b)

series circuit

c)

methods of generating power

d)

volts

35.

The parts of an atom which move from one atom to the next to create a flow of electricity

a)

current

b)

electron

c)

proton

d)

neutron

36.

A device that moves a magnet to produce an electric current is known as-

a)

electrical generator

b)

electric motor

c)

electromagnet

d)

transformer

37.

The type of magnet in which the magnetic field is produced by an electric current is called an-

a)

horseshoe magnet

b)

bar magnet

c)

refrigerator magnet

d)

electromagnet

38.

An electric current can be created in a coil of wire by having a-

a)

moving magnetic field

b)

stationary magnetic field

39.

To create a powerful electromagnet, select wire at a _______ diameter and a create ________ loops on a metal rod.

a)

small; less

b)

small ; more

c)

large ; less

d)

large ; more

40.

Connecting a battery to a metal rod looped with metal wire creates a(n) ______________________ force.

a)

magnetic

b)

mechanical

c)

gravitational

d)

friction

41.

​If the one bulb burned out, what would happen to the other bulb?

a)

stay lit

b)

not light up

c)

brighter

d)

dimmer

42.

Is the image shown a series or a parallel circuit?

a)

series

b)

parallel

43.

Is the image shown the switch is closed, are the lights on or off?

a)

all lights are off

b)

all lights are on

44.

In the image, what type of circuit is shown?

a)

series

b)

parallel

45.

What type of circuit is shown in the image?

a)

series

b)

parallel

46.

What type of circuit is shown in the image?

a)

series

b)

parallel

47.

What will happen to the 2 magnets if they are released?

a)

attract

b)

repel

48.

Are the lights on in this circuit?

a)

yes, the lights are on

b)

no, the lights are off

49.

What type of circuit is shown in the image?

a)

series

b)

parallel

50.

Which of the following would have a light bulb turned on?

a)

an open switch

b)

a closed switch

c)

a break in the wire

d)

a wire and a load only

51.

In the bottom of the picture, what explains why the balloons are repelling each other?

a)

opposites attract

b)

like charges in the balloon are repelling each other

c)

the helium has negative charges

52.

What is a complete closed path that electrical currents travel?

a)

circuit

b)

switch

c)

resistance

d)

battery

53.

Which of the following best describes what is being created in the picture?

a)

static electricity

b)

potential energy

c)

magnetic field

54.

​Why does the top magnet appear to float above the bottom magnet?

a)

The magnets are made of different materials.

b)

The like poles repel each other.

c)

The opposite poles repel each other.

d)

the magnets have different gravitational pull

55.

Which electromagnet can lift more paperclips?

a)

example W

b)

example x

56.

Copper wire, an iron nail, and a battery can be used to make an

(a)  

57.

Is a metal fork a conductor or insulator?

a)

conductor

b)

insulator

58.

Is rubber a conductor or insulator?

a)

conductor

b)

insulator

59.

Which of the following best describes what happens if you increase the number of turns of wire in an electromagnet?

a)

the wire burns up

b)

the magnetic field gets bigger

c)

the magnet weakens

d)

the poles reverse

60.
this is the symbol for a _____?
a)
switch
b)
light 
c)
battery
d)
wires
61.
Is a house in a good idea for a parallel circuit
a)
Yes 
b)
No
62.
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. 
63.
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. 
64.
A north pole and a south pole will attract.
a)
True
b)
False
65.
A magnet cannot not move which of the following objects?
a)
a paper clip
b)
a nail
c)
a toothpick
d)
a staple
66.
How is a permanent magnet DIFFERENT from a temporary magnet?
a)
A permanent magnet attracts materials made of iron.
b)
A permanent magnet has poles.
c)
A permanent magnet has a magnetic field.
d)
A permanent magnet keeps its magnetism for a long time.
67.
Earth acts like a giant magnet because its center is made up MOSTLY of
a)
granite
b)
limestone
c)
iron
d)
nickel
68.
True or False: All metals stick to magnets.
a)
True
b)
False
69.
It is possible for a magnet to have only one pole.
a)
True
b)
False
70.
A device that uses a free-moving magnetic needle to show direction is a:
a)
lodestone
b)
magnet
c)
compass
d)
magnetic field
71.
Where is the force of attraction the strongest on a magnet?
a)
at the poles
b)
in the middle
c)
above the magnet
d)
below the magnet
72.
Earth's magnetic field and a bar magnet attract particles to the same locations. Where are they?
a)
The middle
b)
All around the outside
c)
The north and south poles
d)
First to the middle, then to the ends
73.
Where is Earth's magnetic field strongest?
a)
Along the outside lines
b)
Along the inside lines on either side
c)
Where the lines are close together at the poles
d)
In the space outside of the lines
74.
Why does a compass needle point north?
a)
The compass is a bar magnet
b)
Because north is up
c)
Because it's magic
d)
It lines up with the Earth's magnetic field
75.
When two magnets attract, they ______________
a)
push apart
b)
change color
c)
get colder
d)
pull together
76.
When two magnets repel, they ________________
a)
change color
b)
pull together
c)
push apart
d)
get colder
77.
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
78.
This large crane magnet functions only when the electrical current is ON.  The crane magnet is an example of what type of magnet?
a)
NIB Magnet
b)
Ceramic Magnet
c)
Electromagnet
d)
funnel magnet
79.
Iron, Nickel and cobalt are all __________________ materials
a)
Shiny
b)
poles
c)
magnetic
d)
cold
80.
What characteristics do magnetic substances have?
a)
They can give you a "shock" when you touch them
b)
They can push or pull objects without touching them
c)
They are always black and cold to touch
d)
They fall faster than other objects when you drop them
81.
How is Earth's magnetic field similar to that of a magnet?
a)
It is hundreds of miles long
b)
It has north and south poles
c)
It is made in Earth's core
d)
It is shaped like a horseshoe
82.
Which of the following is true of 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.
83.
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
84.

Magnetism is a force of ____________________________ that occurs between two _____________ objects.

a)

attraction or repulsion, magnetic

b)

external or internal, magnetic

c)

external or repulsion, electronic

d)

attraction or internal, electronic

85.

A magnetic field is a field of force that is produced by moving ________ charges.

a)

northern

b)

positive

c)

gravitational

d)

electric

86.

The magnetic ____________ around a bar magnet is shown above.

a)

legs

b)

flowers

c)

field

d)

direction

87.

The Earth produces its own ________ field.

a)

spectrum

b)

electric

c)

magnetic

d)

progressive

88.

A compass points toward the south pole of Earth's magnetic field, located near the Earth's geographical ________.

a)

north

b)

south

c)

east

d)

west

89.

In magnetic materials, all of the ________ are pointing in the same direction.

a)

doors

b)

electrons

c)

domains

d)

orbits

90.

A permanent magnet is a material that produces a ___________________ field without any ___________________ magnetic field being present.

a)

electronic, internal

b)

magnetic, internal

c)

magnetic, external

d)

electronic, external

91.

Permanent magnets can be demagnetized by ___________________ them past the Curie point (approximately 1,060 °F).  

a)

heating

b)

freezing

c)

shaking

d)

solidifying

92.

Every magnet has both a _________ pole and a __________ pole.

a)

North, South

b)

East, West

c)

Positive, Negative

d)

Positive, South

93.

Certain materials respond to magnetic fields by becoming ______________ themselves. ____________ is one of these materials.

a)

magnetic, Plastic

b)

electronic, Iron

c)

magnetic, Iron

d)

electronic, Plastic

94.

Some objects that normally aren't magnetic can become magnetized when connected to a circuit. Items that are magnetized in this way are called ________.

a)

electromagnets

b)

electrons

c)

electrochromic devices

d)

permanent magnets

95.

Probably the most useful thing about electromagnets is that they can be turned ________ and ________.

a)

on, off

b)

positive, negative

c)

north, south

d)

on, negative

96.

If two magnets are close together, the magnetic force will be ________.

a)

smelly

b)

weak

c)

strong

d)

positive

97.

If two magnets are placed so that a north pole and a south pole are facing each other, they will _____________ each other.

a)

date

b)

spin

c)

repel

d)

attract

98.

If two magnets are placed so that two ____________ poles or two ____________ poles are facing each other, they will repel each other.

a)

North, South

b)

external, internal

c)

positive, negative

d)

North, West

99.

Although magnetic fields are _____________, one common way that people investigate them is to use ________ filings.

a)

invisible, iron

b)

touchable, iron

c)

invisible, plastic

d)

touchable, plastic

100.

By sprinkling iron filings in a magnetic field on a flat surface, it is possible to see the __________ of a magnetic field.

a)

shape

b)

distance

c)

mass

d)

temperature

101.

The image above shows how iron filings respond to magnetic fields generated by two magnets with ____________ poles facing each other.

a)

opposite

b)

like

c)

positive

d)

negative

102.

The image above shows how iron filings respond to magnetic fields generated by two magnets with ____________ poles facing each other.

a)

like

b)

opposite

c)

positive

d)

negative

103.

A horseshoe magnet will generate a magnetic field similar in shape to that of two ________ poles brought near each other.

a)

like

b)

opposite

c)

positive

d)

negative

104.

Which answer describes the pictures correctly?

a)

Both drawings show attraction of magnetic forces.

b)

The left drawing shows repulsion and the right drawing shows attraction of magnetic forces.

c)

Both drawings show repulsion of magnetic forces.

d)

The left drawing shows attraction and the right drawing shows repulsion of magnetic forces.

105.

Which metal is NOT magnetic?

a)

copper

b)

iron

c)

cobalt

d)

nickel

106.
When two magnets attract, they ______________
a)
push apart
b)
change color
c)
get colder
d)
pull together
107.
When two magnets repel, they ________________
a)
change color
b)
pull together
c)
push apart
d)
get colder
108.
The force of magnetism can go through many materials.
a)
True
b)
False
109.
Magnets have a north and a south ___________
a)
shape
b)
color
c)
pole
d)
region
110.
Two north poles will attract.
a)
True
b)
False
111.
A north pole and a south pole will attract.
a)
True
b)
False
112.
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
113.
Iron, Nickel and cobalt are all __________________ materials
a)
Shiny
b)
poles
c)
magnetic
d)
cold
114.
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
115.
Which object would a magnet attract?
a)
a glass bottle
b)
a piece of paper
c)
a metal paper clip
compass
d)
a rubber eraser
magnetic field
116.
True or False: All metals are attracted to magnet.
a)
True
b)
False
117.
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
118.
When you put ring magnets on a pencil, the magnets stay apart from each other because
a)
magnets are too weak to stay together.
b)
material that makes up the magnets aren't magnetic.
c)
same poles of the magnets are facing each other.
d)
the pencil stops the force of the magnets.
119.
Which of these is attracted to a magnet?
a)
iron nail
b)
copper penny
c)
piece of paper
d)
notebook
120.
The magnet's shown will
a)
not move
b)
attract
c)
repel
d)
all of the above
121.
The magnet's shown will
a)
not move
b)
attract
c)
repel
d)
all of the above

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