Magnetism (worksheet #1)

Question 1

What is magnetism?

Answer 1

Describes all phenomena related to/caused by magnets

Question 2

What is a magnet?

Answer 2

An object attracted to another magnetic substance or a ferromagnetic substance

Question 3

What occurs when a magnet is brought near another magnet?

Answer 3

Attraction/repulsion

Question 4

What occurs when a magnet is brought near a ferromagnetic substance?

Answer 4

Attraction

Question 5

What are some compounds of ferromagnetic substances?

Answer 5

Nickel, iron, cobalt

Question 6

Is it possible for ferromagnetic substances to attract other ferromagnetic substances?

Answer 6

No

Question 7

Name some examples for nonmagnetic substances.

Answer 7

Aluminium, copper, lead, plastic, organic compounds.

Question 8

What happens when a nonmagnetic substance is placed near a magnetic substance?

Answer 8

Nothing

Question 9

What do all magnets have?

Answer 9

A north and south pole

Question 10

Where is the magnetic force the strongest on a magnet?

Answer 10

At the poles

Question 11

What are substances composed of?

Answer 11

Domains

Question 12

How can you tell the difference between a magnetic and nonmagnetic substance?

Answer 12

On a magnetic substance, its domains are aligned, while they are not aligned on nonmagnetic substances

Question 13

1. Opposite poles _____ and like poles ____
2. As the distance between poles decreases, the force between the poles _______.
3. As the distance between poles increases, the force between the poles _______.

Answer 13

1. Opposite poles attract and like poles repel
2. increases
3. decreases

Question 14

Geographic north is actually magnetic _____.

Geographic south is actually magnetic ____

Answer 14

Geographic north is actually magnetic south.

Geographic south is actually magnetic north.

Question 15

What happens when you cut a magnet in two?

Answer 15

Each magnet will have its own pair of poles

Question 16

What is a magnetic field?

Answer 16

The space that surrounds a magnet

Question 17

How do the magnetic fields lines always move?

Answer 17

In the direction of North to South. (arrows exit from the North pole, enter into the South pole)

Question 18

What is one method for detecting magnetic fields?

Answer 18

Sprinkle iron around a magnetic and filings will fall along lines of force

Question 19

The compass needle arrow head is the ____ end of a magnet.

Answer 19

North

Question 20

What is electromagnetism?

Answer 20

Describes all phenomena resulting from the interaction between electricity and magnetism

Question 21

What are magnetic fields created by?

Answer 21

Electric currents

Question 22

The _____ pole of a compass will always point in the direction of your __________.

Answer 22

The north pole of a compass will always point in the direction of your magnetic field.