wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Magnetism and Electricity Study Guide_25

Total questions: 60

Worksheet time: 1hrs 10mins

Name
Class
Date
1.

What is MagLev (Magnetic Levitation)?

a)

A technology that uses magnetic forces to lift, propel, and guide objects, such as high-speed trains, without direct contact with the ground, reducing friction and increasing speed.

b)

A type of magnetic storage used in computers.

c)

A method of wireless energy transfer.

d)

A technique for magnetic resonance imaging.

2.

What is a Proton?

a)

A positively charged subatomic particle found in the nucleus of an atom and helps with the atomic mass.

b)

A negatively charged subatomic particle found in the nucleus of an atom and helps with the atomic mass.

c)

A neutral subatomic particle found in the nucleus of an atom and helps with the atomic mass.

d)

A positively charged subatomic particle found outside the nucleus of an atom and helps with the atomic mass.

3.

What is an Electron?

a)

A negatively charged subatomic particle that orbits the nucleus of an atom and is responsible for electricity and chemical bonding.

b)

A positively charged particle found in the nucleus of an atom.

c)

A neutral particle that resides in the nucleus of an atom.

d)

A type of molecule that forms the basis of organic compounds.

4.

What is a Neutron?

a)

A neutral subatomic particle found in the nucleus of an atom. It has no electric charge but contributes to the atom's mass.

b)

A positively charged particle found in the nucleus of an atom.

c)

A negatively charged particle orbiting the nucleus of an atom.

d)

A particle responsible for the chemical properties of an atom.

5.
A particle that carries a negative electric charge is called a(n) ______.
a)
neutron
b)
atom
c)
proton
d)
electron
6.
A neutral object becomes negatively charged when it loses electrons.
a)
true
b)
false
7.
What do the lines around this magnet represent?
a)
North Pole
b)
South Pole
c)
Magnetic Declination
d)
Magnetic Field
8.
As the distance between two magnets increases (they get farther apart), the force between them:
a)
Increases
b)
Decreases
c)
Stays the Same
9.
If you cut a magnet in half, what happens to the poles?
a)
One half gets the North Pole, the other half gets the South Pole
b)
Both halves get only a North Pole
c)
Both halves get only a South Pole
d)
Both halves get a North pole and a South Pole
10.
What is responsible for the Magnetic Field around Earth?
a)
The Earth's crust
b)
The Earth's molton iron core
c)
The Earth's mantel
d)
The Sun
11.
An electromagnet's poles may be reversed by:
a)
decreasing the voltage of the coil
b)
increasing the number of coils
c)
changing the direction of current flow
d)
altering the material used to make the coils
12.
What kind of magnet can be turned on and off?
a)
refridgerator magnet
b)
electromagnet
c)
magnetite
d)
iron
13.
How do electromagnets differ from regular magnets? 
a)
A. They  can be turned off and on 
b)
B. Their polarity can be reversed
c)
C. Their strength can be changed
d)
D. All of the above
14.
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.
15.

Magnets on a refrigerator cannot be turned off. Which type of magnets do they belong to?

a)

electromagnets

b)

battery

c)

permanent magnets

d)

copper wire

16.

Diagram 1 shows two, thin, uncharged strips of plastic.

Diagram 2 shows the same strips after they have been rubbed with a dry cloth.

Which answer best describes the charges on the strips after rubbing and the force between the strips after rubbing.

a)

Opposite charge and attractive force.

b)

Opposite charge and repulsive force.

c)

The same charge and attractive force.

d)

The same charge and repulsive force.

17.

A teacher wishes to show the production of electrostatic charges. A plastic rod, a copper rod, a glass rod and a steel rod are available.

The teacher chooses a rod, holds the rod and rubs it with a dry cotton cloth to produce the charges. Which two types of rods should he choose?

a)

copper and glass

b)

glass and plastic

c)

plastic and steel

d)

glass and steel

18.

Which test could be used to find the North pole of a magnet?

a)

Put it near a compass needle?

b)

Put it near a ferrous metal

c)

Put it near a non-ferrous metal

d)

Put it near a steel spoon

19.

A Van de Graaf generator is used to make?

a)

A large amount of static electricity

b)

A large amount of current

c)

A small amount of voltage

d)

A small amount of resistance.

20.

The magnetic field lines around a magnet run from...

a)

North to South

b)

South to North

c)

East to West

d)

West to East

21.
Alternating current travels using Tesla's creation a "step-up" mechanism that...
a)
creates the high voltages allowing electricity to travel long distances.
b)
that Tesla must step up to his game as his current flow does.
c)
would be shocked, or amazed, at how Edison spits his electrical raps.
d)
splits the electrical currents that make possible to power multiple devices.
22.

What is static electricity?

a)

Build-up of electric charge on the surface of objects

b)

The generation of heat from electric charge

c)

The flow of electric charge through a conductor

d)

The absence of electric charge on the surface of objects

23.

What causes static electricity?

a)

Drinking carbonated beverages

b)

Rubbing two metals together

c)

Exposure to sunlight

d)

Imbalance of positive and negative charges

24.

How is static electricity different from current electricity?

a)

Static electricity is the build-up of electric charge on the surface of objects, while current electricity is the flow of electric charge through a conductor.

b)

Static electricity is only found in nature, while current electricity is man-made.

c)

Static electricity and current electricity are the same thing.

d)

Static electricity is the flow of electric charge through a conductor, while current electricity is the build-up of electric charge on the surface of objects.

25.

What are some examples of static electricity in everyday life?

a)

Clothes sticking together after being in the dryer, getting a shock when touching a metal object after walking on carpet, and seeing hair stand up after rubbing a balloon on it.

b)

Feeling warm after touching a metal object

c)

Seeing a rainbow after a rainstorm

d)

Hearing a loud noise when turning on a light switch

26.

What is the role of insulators and conductors in static electricity?

a)

Insulators attract electric charge, while conductors repel electric charge.

b)

Insulators prevent the flow of electric charge, while conductors allow the flow of electric charge.

c)

Insulators and conductors have no effect on the flow of electric charge in static electricity.

d)

Insulators allow the flow of electric charge, while conductors prevent the flow of electric charge.

27.
If you rub a glass rod with a piece of silk, the rod becomes positively charged. This means that
a)
friction destroyed electrons in the rod.
b)
the silk has become negatively charged.
c)
protons have moved to the rod.
d)
glass attracts more protons.
28.
A region around a charged particle that can exert a force on another charged particle is called an
a)
electric pulse.
b)
electric charge.
c)
electric force.
d)
electric field.
29.
Charging by ____ occurs when electrons are transferred from one object to another by direct contact.
a)
reduction
b)
induction
c)
conduction
d)
friction
30.

The area of magnetic force around a magnet is known as its _____________.

a)

magnetic field

b)

magnetic declination

c)

magnetic fan lines

d)

magnetic tan lines

31.

Are the magnetic field lines in the picture correct?

a)

Yes, because they point from north to south.

b)

No, because they point from north to south (they're supposed to go the other way).

c)

Yes, because the North pole is on the left in all pictures.

d)

No, because the North pole is on the left in all pictures (it's supposed to be on the right).

32.

The strongest part of a magnet is...

a)

the bars .

b)

the force field.

c)

the poles.

d)

the middle.

33.
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
34.
An example of the best insulator is
a)
copper
b)
salt
c)
plastic
d)
sand
35.
An object becomes charged when the atoms in the object gain or lose
a)
electrons
b)
protons
c)
neutrons
d)
all of the above
36.
What is the major difference between static electricity and current electricity?
a)
Current electricity involves a continuous flow of neutrons; static electricity is a sudden transfer of protons
b)
Current electricity can be deadly; static electricity is almost always safe
c)
In current electricity, there's a single transfer of electrons; in static electricity, there's a steady flow of electrons
d)
Current electricity involves a flow of electrons; static electricity involves a single transfer of electrons
37.

Describe the relationship between voltage and current in a circuit.

a)

Voltage and current are inversely proportional in a circuit.

b)

Voltage and current are unrelated in a circuit.

c)

Voltage has no effect on current in a circuit.

d)

Voltage and current are directly proportional in a circuit.

38.

If the current in a circuit is 2A and the resistance is 5 ohms, what is the voltage?

a)

7V

b)

15V

c)

3V

d)

10V

39.

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.

40.
What is resistance measured in?
a)
Ω (Ohms)
b)
V (Volts)
c)
A (Amps)
d)
W (Watts)
41.
This circuit has a 24 volt battery and the resistor is 8 ohms. How many amps are running through the circuit?
a)
3 Amps
b)
192 Amps
c)
2 Amps
d)
4 Amps
42.

If the battery produced 12.6 Volts and there was a 6 Ohm resistor, what would be the current?

a)

2.1 Amps

b)

2.4 Amps

c)

1.71 Amps

d)

15 Amps

43.
What is the Voltage of a circuit that has a resistance of 5 Ω and a current of 2 A?
a)
25 V
b)
10 V
c)
2.5 V
d)
0.4 V
44.
As the resistance of a circuit increases, the current will...
a)
increase
b)
decrease
c)
stay the same
45.

Simple, Series, or Parallel?

a)

Simple

b)

Series Circuit

c)

Parallel Circuit

46.

What is the unit for resistance?

a)

volts

b)

amps

c)

coulombs

d)

ohms

47.

What is the job of a battery? (BEST answer)

a)

provide power

b)

provide energy

c)

turns the circuit on

d)

provide energy for the electrons to flow

48.
A correct statement of Ohm’s Law is:
a)
I= V R
b)
V ∝ I
c)
V = IR
d)
both b and c
49.
What kind of circuit is this?
a)
series
b)
parallel
50.
What happens to the current in a circuit as the resistance decreases?
a)
Current increases
b)
Current Decreases
c)
Current remains the same
51.
DC stands for ____ and is used in batteries.
a)
Distant Current
b)
Don't Current
c)
Direct Current
d)
Distributed current
52.
What device uses an electromagnet?
a)
speakers in headphones
b)
a light bulb
c)
scissors
d)
a phone charger
53.

In a neutral atom, the number of electrons is equal to the number of _______.

a)

orbitals

b)

neutrons

c)

protons

d)

none of the above

54.

An object becomes electrically charged when the atoms in the object gain or lose

a)

electrons

b)

protons

c)

neutrons

d)

all of the above

55.

When you rub a balloon up against your shirt, the shirt becomes positively charged. This means that

a)

more protons were created on the shirt.

b)

electrons left the shirt and moved to the balloon.

c)

protons left the balloon and moved to the shirt.

d)

neutrons left the shirt and moved to the balloon.

56.
a)

conduction

b)

induction

c)

friction

57.

Static electricity can be generated by what three methods?

a)

convection, conduction, and radiation

b)

conduction, induction, and friction

c)

gravity, force, and electricity

58.

Charging by ____ occurs when electrons are transferred from one object to another by DIRECT contact.

a)

conduction

b)

induction

c)

friction

59.

An object becomes charged when another charged object comes close to, but does not touch the object.

a)

conduction

b)

induction

c)

friction

60.

An object becomes charged when it rubs against another charged object.

a)

conduction

b)

induction

c)

friction

Similar Resources on Wayground

Heat Transfer & Energy

64 questions

Heat Transfer & Energy

quiz

Worksheet

•

8th Grade

The Solar System

56 questions

The Solar System

quiz

Worksheet

•

5th - 8th Grade

Unit 12 Review

63 questions

Unit 12 Review

quiz

Worksheet

•

6th - 10th Grade

heat transfer

60 questions

heat transfer

quiz

Worksheet

•

8th - 10th Grade

S8P2 Energy

64 questions

S8P2 Energy

quiz

Worksheet

•

8th Grade

8.2.4&5 Waves & Wave Behavior - Long

55 questions

8.2.4&5 Waves & Wave Behavior - Long

quiz

Worksheet

•

8th Grade

Physical Science Spring Semester

58 questions

Physical Science Spring Semester

quiz

Worksheet

•

6th - 8th Grade