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magnetism revision

magnetism revision

Assessment

Presentation

Physics

8th - 9th Grade

Practice Problem

Medium

Created by

Andrew May

Used 13+ times

FREE Resource

9 Slides • 11 Questions

1

magnetism revision

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2

Open Ended

which substances can be picked up by a magnet?

3

Only three metals can be attracted by a magnet

  • iron

  • cobalt

  • nickel

4

Why isn't steel on that list?

  • steel is a mixture, mainly iron, with some other things



5

Multiple Select

Which combination of magnetic poles will repel?

1

north-north

2

north-south

3

south-north

4

south-south

6

Multiple Choice

Question image

How can you tell if a piece of metal is a magnet?

1

see if it sticks to a magnet

2

see if it is repelled be a magnet

7

Only a magnet is repelled by a magnet.

Any steel or iron will be attracted to a magnet, whether it is magnetic or not.

8

Multiple Choice

Around a magnet is an invisble area called the

1

magnetic attraction

2

magnetic force

3

magnetic field

4

magnetic law

9

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10

drawing field lines

continuous lines

that don't cross

and have arrows

from North to South

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11

Look at this diagram

  • are the magnets attracting or repelling?

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12

Multiple Choice

Question image

attracting or repelling?

1

attracting

2

repelling

3

can't tell

13

The earth has a magnetic field

how is it detected?

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14

Multiple Choice

Question image

how is the earth's field detected?

1

with a ruler

2

with a compass

3

with a voltmeter

4

with a telescope

15

We can make an electromagnet

  • by wrapping an iron core with a wire and making a current go through it

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16

Open Ended

What is the main advantage of an electromagnet?

17

Multiple Choice

Which of the following are magnetic poles?

1

north and south

2

positive and negative

3

east and west

4

red and blue

18

Multiple Choice

Which of the following is not a magnetic material?

1

steel

2

cobalt

3

aluminium

19

Multiple Choice

What do two poles of the same type do when they are brought close together?

1

attract

2

repel

3

nothing

20

Multiple Choice

The arrow on magnetic field lines shows them flowing in which direction?

1

left to right

2

north to south

3

south to north

4

east to west

magnetism revision

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