Quiz about Electricity & Magnetism

Question 1

All matter on Earth is made up of _________.

Accepted Answer

atoms

Answer

air

Answer

numbers

Question 2

__________ are negatively charged particles in the nucleus of an atom.

Accepted Answer

Electrons

Answer

Protons

Answer

Neutrons

Question 3

_______ are neutral particles in the nucleus of an atom

Accepted Answer

Neutrons

Answer

Electrons

Answer

Protons

Question 4

_____ are positively charged particles in the nucleus of an atom.

Accepted Answer

Protons

Answer

Electrons

Answer

Neutrons

Question 5

The ______ of protons, neutrons, and electrons determine what substance the atom is.

Accepted Answer

number

Answer

size

Answer

age

Question 6

When electrons jump from atom to atom, they carry electrical energy, creating electricity.

Accepted Answer

True

Answer

False

Question 7

A ________ is a closed path in which electricity can flow.

Accepted Answer

circuit

Answer

trail

Answer

clipboard

Question 8

_________ easily allow electricity to flow

Accepted Answer

Conductors

Answer

Insulators

Answer

Respirators

Question 9

_________ do NOT easily allow electricity to flow

Accepted Answer

Insulators

Answer

Conductors

Answer

Respirators

Question 10

A _______ is an object that generates a magnetic field.

Accepted Answer

Magnet

Answer

Thermometer

Answer

Atmosphere

Question 11

A _____ is an invisible area of magnetic force surrounding a magnet.

Accepted Answer

Magnetic Field

Answer

Electric Field

Answer

Aurora

Question 12

The ends of a magnet, where the magnetic field lines extend from, are called __________.

Accepted Answer

Poles

Answer

Regions

Answer

Hemispheres

Question 13

Each magnet has a _____ and _____ pole.

Accepted Answer

North and South

Answer

East and West

Answer

Front and Back

Question 14

Materials that always have their own magnetic field are called __________

Accepted Answer

Permanent Magnets

Answer

Temporary Magnets

Answer

Obsolete Magnets

Question 15

Materials that are only magnetic in the presence of another object's magnetic field are called _________.

Accepted Answer

Temporary Magnets

Answer

Permanent Magnets

Answer

Obsolete Magnets

Question 16

An ______ is made when electric current flows and creates a magnetic field.

Accepted Answer

Electromagnet

Answer

Atmosphere

Answer

Orbital shell

Question 17

The amount of electricity that flows through a circuit is called ________

Accepted Answer

Current

Answer

Speed

Answer

Magnetism

Question 18

An electromagnet is a _______ magnet because when the current stops flowing the magnetic field disappears.

Accepted Answer

Temporary

Answer

Permanent

Answer

False

Question 19

You can increase the strength of an electromagnet by increasing the number of loops in the wire (more current).

Accepted Answer

True

Answer

False

Question 20

Electromagnets are useful because their strength can be changed, and can be turned on or off.

Accepted Answer

True

Answer

False

Question 21

Is this circuit open or closed?

Accepted Answer

Open

Answer

Closed

Answer

Both

Question 22

Is this circuit open or closed?

Accepted Answer

Closed

Answer

Open

Answer

Both

Question 23

Observe this circuit and electromagnet setup. Why won't this work?

Accepted Answer

The wire is not wrapped enough times around the steel bar

Answer

The wires are not insulated so it is losing electricity

Answer

The battery is not big enough to power the electromagnet

Question 24

Observe this circuit and electromagnet setup. Why won't this work?

Accepted Answer

The bar is made from wood, which cannot become temporarily magnetic

Answer

The wires are not insulated so it is losing electricity

Answer

The switch is open so current cannot flow

Question 25

Which electromagnet is stronger?

Accepted Answer

Right

Answer

Left

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