Magnet Review

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created 5 years ago by kvanant
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updated 5 years ago by kvanant
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1

What is a LARGE machine that makes electricity by passing a current through a magnetic field called?

generator

2

What is a DEVICE?

A thing made for a particular purpose.

3

Bringing a magnet close to a compass will make the compass needle move towards the magnet, then stop.

True, this does happen.

4
card image

Will these magnets

ATTRACT OR REPEL?

ATTRACT

5
card image

Will these magnets

ATTRACT OR REPEL?

REPEL

6

What is a fragment of iron rubbed off by a file called?

card image

iron filings

7

On a magnet, where is the attraction the strongest?

THE MAGNETIC POLES
OR
IN THE CENTER

magnetic poles

8

What is it called to push away by a force,
an opposing force?

repel

9

What is an invisible field that carries magnetic force to other objects?

card image

magnetic field

10

What is a magnet?

A piece of metal whose atoms are arranged so they line up with two magnetic ‘poles’, one positive and one negative.

11

What does attract mean?

When two objects move close to each other.

12

What are the three parts of an electromagnet?

1. battery
2. wire
3. nail

13

Is a penny attracted to a magnet?

No

14

A paper clip is NOT attracted to a magnet. True or False

FALSE

15

Iron Fillings are NOT attracted to a magnet. True or False

FALSE

16

Another magnet is attracted to a magnet. True or False

TRUE

17

Out of the following metals, which one is NOT magnetic?
* Colbalt
* Iron
* Zinc
* Nickel
* Steel

Zinc

18

List two ways magnets are used in the real-world.

Medical Field, Electricity, Appliances, ETC.

19

When will two magnets REPEL against each other?

Two N (+) ends together, or two S (-) ends together

20

When something is magnetized, the atoms of the magnet
_________________?

Line up at the Poles

21

What is a piece of equipment for the use in the home named?

Chose one:
device
appliance
magnet

Appliance

22

What is the core of planet Earth comprised of that makes it have magnetic pull?

Iron

23

This magnet is mounted so it can rotate freely. The needle will always point toward magnetic NORTH, unless disturbed by another magnet.
What is being described?

Compass

24

What happens when you break a magnet in half?

It forms another magnet, with N and S Poles

25

Does a larger magnet mean it will always be a stronger magnet?

No

26

When something is magnetized, the atoms of the magnet line up at the...WHAT?

At the poles.

27

What is it called when you run a magnet a few times over an unmagnetized piece of a magnetic material (such as an iron nail), and you can convert it into a magnet as well.

This is called magnetization.