Quiz about Electricity & Magnetism

Question 1

This force occurs when there is an attractive and repulsive force between two poles.

Accepted Answer

Magnetic

Answer

Electric

Answer

Electromagnetism

Question 2

The magnetic field of a magnet is ____________ further away from the magnet.

Accepted Answer

weaker

Answer

stronger

Question 3

What makes an electromagnet stronger?

Accepted Answer

greater number of loops

Answer

smaller number of loops

Answer

decreasing the current

Answer

decreasing the voltage

Question 4

Magnetism created by an electric current

Accepted Answer

electromagnetism

Answer

electricity

Answer

wind energy

Question 5

What will happen when these magnets are brought close together?

Accepted Answer

They will repel each other.

Answer

They will attract each other.

Answer

Both magnets will turn to the left

Answer

Both magnets will turn to the right

Question 6

Magnets have a north and a south ___________

Accepted Answer

pole

Answer

shape

Answer

color

Answer

region

Question 7

Iron, Nickel and cobalt are all __________________ materials

Accepted Answer

magnetic

Answer

Shiny

Answer

poles

Answer

cold

Question 8

Where is the strongest attraction force of the magnet?

Accepted Answer

at the poles

Answer

in the middle

Answer

above the magnet

Answer

below the magnet

Question 9

Which of the following is true about a bar magnet?

Accepted Answer

It is surrounded by a magnetic field.

Answer

Its magnetic field is strongest near its center.

Answer

The north pole is stronger than the south pole.

Answer

The south pole is stronger than the north pole.

Question 10

What is our best evidence that Earth has a magnetic field?

Accepted Answer

A compass needle lines up with it

Answer

All things fall toward Earth's center

Answer

Winds blow from east to west

Answer

Earth's oceans all have currents

Question 11

How are electromagnets different from magnets?

Accepted Answer

you can turn an electromagnet on/off

Answer

magnets can be turned on/off

Answer

magnets are more powerful

Answer

magnets have a North and South pole

Question 12

Magnetism is generated by moving

Accepted Answer

electrons.

Answer

protons.

Answer

neutrons.

Answer

elements.

Question 13

What do the lines around this magnet represent?

Accepted Answer

Magnetic Field

Answer

North Pole

Answer

South Pole

Answer

Magnetic Declination

Question 14

If you cut a magnet in half, what happens to the poles?

Accepted Answer

Both halves get a North pole and a South Pole

Answer

One half gets the North Pole, the other half gets the South Pole

Answer

Both halves get only a North Pole

Answer

Both halves get only a South Pole

Question 15

What is responsible for the Magnetic Field around Earth?

Accepted Answer

The Earth's molton iron core

Answer

The Earth's crust

Answer

The Earth's mantel

Answer

The Sun

Question 16

How can a wire become magnetic?

Accepted Answer

run a current through it

Answer

point it north

Answer

add a resistor

Answer

heat it up

Question 17

Inside of magnets there are tiny magnets called _______

Accepted Answer

domains

Answer

atoms

Answer

mini magnets

Question 18

What material is attracted to a magnet?

Accepted Answer

Iron

Answer

Silver

Answer

Water

Answer

Metal

Question 19

Which type of magnets keep their magnetism after they are removed from a magnetic field?

Accepted Answer

Permanent

Answer

Temporary

Answer

Electromagnets

Answer

They all do

Question 20

Which type of magnets are made from materials that are easy to magnetize and tend to lose their magnetism easily?

Accepted Answer

Temporary

Answer

Permanent

Answer

Electromagnets

Answer

They all do

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