3.11 What Magnets Are & Drawing Magnetic Field Lines

Question 1

When drawing magnetic field lines, which way do the lines go?

Answer 1

From north to south

Question 2

The ________ together that magnetic field lines are, the stronger the magnetic field.

Answer 2

closer

Question 3

Where on the magnetic are the magnetic fields strongest?

Answer 3

At the poles of the magnet

Question 4

What is the force between a magnet and a magnetic material?

Answer 4

Attractive

Question 5

Between two magnets, what are the two different forces they can be?

Answer 5

Attractive or repulsive

Question 6

Why do compasses always point north when they are not near a magnet?

Answer 6

The Earth generates its own magnetic field. This is evidence that the inside of the Earth must be magnetic.

Question 7

What is the N-pole of a compass attracted towards?

Answer 7

The Magnetic North Pole - it is actually a magnetic south pole but it is called ‘north’ because it’s close to geographic north.

Question 8

What are three examples of magnets?

Answer 8

• A horseshoe magnet
• A bar magnet
• The Earth

Question 9

The strength of a magnetic field is shown by the _______ of the magnetic field lines

Answer 9

density

Question 10

Magnetic field lines can show: (3)

Answer 10

• The strength of the magnet at a particular point
• Whether two magnets would attract or repel
• The direction that a small compass would point at that point