Quiz about FOSS: Energy Investigation 3 review

Question 1

This picture best illustrates the construction of a(n)

Accepted Answer

electromagnet

Answer

magnet

Answer

series circuit

Answer

parallel circuit

Question 2

How do you make an electromagnet stronger?

Accepted Answer

add more wire coils and/or batteries

Answer

Add a motor and/or lightbulbs

Answer

Add more light bulbs and/or wire coils

Answer

add more wire coils and/or a switch

Question 3

What is true about electricity and magnetic fields?

Accepted Answer

Electricity always creates a magnetic field.

Answer

Electricity is needed to create any magnet.

Answer

Electricity is stronger than a magnetic field.

Answer

Electricity prevents magnetic fields from occurring.

Question 4

This is a picture of a simple electromagnet. How can the electromagnet be made stronger?

Accepted Answer

Add more coils of wire to the nail.

Answer

Use a smaller battery.

Answer

Reverse the poles of the magnet.

Answer

Remove all the coils and the nail.

Question 5

What kind of magnet can be turned on and off?

Accepted Answer

electromagnet

Answer

refridgerator magnet

Answer

magnetite

Answer

iron

Question 6

A compass needle responds to a magnetic field, because the compass needle is a

Accepted Answer

C. magnet.

Answer

A. generator.

Answer

B. motor.

Answer

D. transformer.

Question 7

Which of the following is not a good conductor?

Accepted Answer

Plastic

Answer

Copper

Answer

Silver

Answer

Aluminium

Question 8

Particles with opposite charges ____________ and particles with same (or like) charges ____________.

Accepted Answer

attract, repel

Answer

repel, repel

Answer

attract, attract

Answer

repel, attract

Question 9

The picture above is an example of what?

Accepted Answer

Magnetic field

Answer

Electric field

Answer

Repulsion

Answer

Attraction

Question 10

What would happen with the magnets in the picture above?

Accepted Answer

They would attract

Answer

They would repel

Answer

Nothing

Answer

They would repel and then attract

Question 11

The ability of some materials to attract certain metals is called

Accepted Answer

Magnetism

Answer

Electricity

Answer

Electromagnetism

Answer

Atoms

Question 12

If the north pole of a magnet is brought close to the south pole of another magnet, what will happen?

Accepted Answer

They will atrract each other

Answer

They will repel each other

Answer

They will demagnitize

Answer

The south pole will turn around so the north pole is facing the other magnet.

Question 13

Which sides of the magnet repel each other?

Accepted Answer

D) A and B

Answer

A) North and North Pole

Answer

B) South and South Pole

Answer

C) The North and South Pole

Answer

E) A, B,C

Question 14

Which answer describes a magnet best.

Accepted Answer

A material that has a north and a south pole

Answer

A material that has two north poles

Answer

A material that has a two south poles

Answer

An electron

Question 15

Which sides of the magnet attract each other?

Accepted Answer

C) The North and South Pole

Answer

A) North and North Pole

Answer

B) South and South Pole

Answer

D) A and B

Answer

E) A, B,C

Question 16

What happens to the strength of a magnetic field as you move away from the magnet?

Accepted Answer

The strength of the magnetic field decreases.

Answer

The strength of the magnetic field increases.

Answer

The strength of the magnetic field doesn't change.

Answer

The strength of the magnetic field is doubled.

Question 17

What is the difference between a conductor and insulator?

Accepted Answer

conductor: allows electricity to flow easily.

insulator:does not allow electricity to flow easily

Answer

conductor: does not allow electricity to flow easily

insulator: allows electricity to flow easily

Question 18

How can you make a magnetic material a temporary magnet?

Accepted Answer

strike it on a magnet

Answer

heat it

Answer

drop it

Answer

electrify it

Question 19

What happens if you cut a magnet in half?

Accepted Answer

There will be two magnets

Answer

Nothing

Answer

The magnets repel

Question 20

What happens when an electric current flows through a wire?

Accepted Answer

A magnetic field is created around the wire.

Answer

The wire begins to spin.

Answer

Nothing happens.

Answer

A field of gravity is created around the wire.

Question 21

What does this image show?

Accepted Answer

Electromagnet

Answer

Parallel circuit

Answer

Series circuit

Answer

Magnet

Question 22

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

Accepted Answer

magnetic field

Answer

magnetism

Answer

magnetic current

Answer

electric current

Question 23

Increasing the number of coils in an electromagnet will _________ the power of the magnet.

Accepted Answer

increase

Answer

decrease

Answer

not affect

Question 24

What three minerals are attracted to a magnet?

Accepted Answer

Iron, nickel, cobalt

Answer

Gold, copper, cobalt

Answer

Cobalt, aluminum, silver

Answer

Iron, copper, aluminum

Question 25

What happens when we rub a needle on a magnet several times?

Accepted Answer

The needle becomes a magnet.

Answer

The needle breaks

Answer

We get a compass.

Answer

The needle floats.

Question 26

Hans Christian Oersted observed that if we put a compass near to an electric current...

Accepted Answer

the needle moves.

Answer

it points to the West.

Answer

we intensify the electric current.

Question 27

Which components do you need to build an electromagnet?

Accepted Answer

a wire, a conductor, a battery and some paper clips.

Answer

a wire, a compass, a battery and some paper clips.

Answer

wool, a conductor, a battery and some paper clips.

Question 28

All electric currents produces a magnetic field

Accepted Answer

True

Answer

False

Question 29

Magnetism is a force that __________.

Accepted Answer

pushes or pulls

Answer

freezes matter

Answer

expands and contracts

Question 30

Which of the following conducts electricity?

Accepted Answer

aluminum foil

Answer

wood

Answer

rubber band

Question 31

The relationship between electricity and magnetism is

Accepted Answer

electromagnetism

Answer

mechanical energy

Answer

alternating current

Question 32

What kind of magnet can be turned on and off?

Accepted Answer

an electromagnet

Answer

a refrigerator magnet

Answer

magnetite

Answer

iron

Question 33

Which of the following is NOT magnetic?

Accepted Answer

zinc

Answer

iron

Answer

cobalt

Answer

nickel

Question 34

A magnet is attracted to a soup can because the can has

Accepted Answer

iron in it.

Answer

a South pole.

Answer

a North pole.

Answer

a magnetic field.

FOSS: Energy Investigation 3 review

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