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Vocab
Concepts-1
Concepts-2
Concepts-3
Class Experiments
100
Define the word attract.
To exert a pulling force.
100
Not all metals are magnetic.  Name the metals that ARE magnetic.
Iron/Steel, Nickel, and Cobalt.  INC!
100
Fill in the blank.  Opposite poles _______.
Attract.
100
Fill in the blank.  Like poles _______.
Repel.
100
What did our "bar magnet" experiment teach us? (2 concepts)
1). The magnetic field

2). The poles are the strongest part of the magnet

200
Define the word repel.
To exert a pushing force.
200
Name some metals that are not magnetic.
Copper, Aluminum, Zinc
200
How can magnets levitate?
By forcing like poles to face each other.
200
How do you transfer magnetism?
Rubbing a magnet against the metal object (made of iron/steel) many times in the same direction.
200
What did stacking our magnets on top of one another teach us?
You can increase the strength of magnets (only temporarily).
300
Define the magnetic field.
The space around a magnet.
300
Where are magnets the strongest?
At the two poles (north and south).
300
Who invented the compass?
Ancient Chinese.
300
What materials do you need to make an electromagnet?
Coil of wire, nail (iron object), battery.
300
What did our "levitation experiment" teach us? (2 concepts).
Opposite poles attract, like poles repel.
400
Define the word domain.
Microscopic areas of magnetism in iron, nickel, and cobalt that can be "lined up" to make an object a temporary magnet.
400
What part of the earth creates the magnetic field?
The solid inner core of iron.
400
How does a compass work?
Magnetic needle of the compass aligns with earth's magnetic field.
400
How do you "turn off" an electromagnet?
Break the circuit. (Open circuit).
400
How do you increase the strength of an electromagnet?
Increase the number of coils.
500
Define an electromagnet.
A temporary magnet that is produced by running an electrical current through a coil of wire.
500
How can you increase a magnets strength?
Stacking magnets on top of one another.
500
Why do maglev trains work?
Like poles face each other and repel.
500
What animals or insects did we read about in the Mystery of Magnets book uses magnetism to find direction?
-Birds (migrate)

-Honeybees (to do a dance to show other honeybees the direction in which they can find food)

500

What is Mr. Runyons favorite number?

13 :)