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Magnetism Notes

Magnetism Notes

Assessment

Presentation

Science

8th Grade

Practice Problem

Medium

NGSS
MS-ESS1-1, MS-ESS3-2, MS-PS2-3

+11

Standards-aligned

Created by

Andrea Decker

Used 9+ times

FREE Resource

21 Slides • 15 Questions

1

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3

Dropdown

Opposite poles on a magnet will ​
and like poles on a magnet will ​

4

Multiple Select

What two things will magnets always do?

1

Repel or attract other magnets

2

Find Iron

3

Swing freely

4

Point towards north

5

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6

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7

Multiple Choice

The atoms or domains of a magnetized material point in what way?

1

Left

2

Right

3

Randomly

4

In one direction

8

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10

Multiple Choice

Is it possible to destroy an object's magnetism?

1

Yes

2

No

11

Multiple Choice

If you break a magnet in half what poles will each piece have?

1

North and North

2

South and South

3

North and South

4

None

12

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14

Multiple Choice

What do scientists think creates the Earth's magnetic fields and poles?

1

Gravity

2

Liquid rotating core

3

Volcanoes

4

Earthquakes

15

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17

Multiple Choice

Where is magnetic North location close to?

1

geographic North

2

Equator

3

geographic South

4

Tropic of Capricorn

18

Multiple Choice

Are Earth's magnetic poles located in the same place as the geographic poles?

1

Yes

2

No

19

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21

Fill in the Blank

22

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24

Fill in the Blank

25

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27

Multiple Choice

Which of the following is NOT one of the three distinct characteristics of the magnetic field produced by a current?

1

The field can attract or repel objects

2

The field can have its direction reversed

3

The field can have its strength changed

4

The field can be turned on or off

28

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30

Dropdown

A coil of wire with a current is called a ​ ​
. An electromagnet is a solenoid with a ​
or iron core.

31

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32

Multiple Choice

Which of the following is NOT a way to increase the strength of an electromagnet?

1

Increase the current

2

Add more loops or coil them tighter together

3

Use a stronger magnet core

4

Use a stronger battery

33

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34

Multiple Choice

Why aren't the geographic poles and magnetic poles in the same place?

1

So we don't confuse them

2

Geographic poles don't move, magnetic poles can move

3

So they are easier to find

4

Magnetic poles don't move, geographic poles can move

35

Multiple Choice

Why is the Earth like a giant bar magnet?

1

It attracts and repels magnets

2

It has a north and south

3

It has magnetic poles and magnetic fields

4

It spins on an axis

36

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