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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. 

100
Fill in the blank.  Opposite poles _______.
Attract.
100
Fill in the blank.  Like poles _______.
Repel.
100

What did our "magnetic field art" teach us? 

Magnetic fields are not visible to us.

The magnetic north and south are opposite from the geographic north and south

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 you learn from our "magnetizing scissors" experiment?

Various responses

300
Define the magnetic field.
The space around a magnet.
300
Where are magnets the strongest?
At the two poles (north and south).
300

name 2 ways a magnet can lose its strength

damage, heat

300
What materials do you need to make an electromagnet?
Coil of wire, nail (iron object), battery.
300

What did you learn from our "floating paperclip experiment".

Various responses

400

Name 3 types of magnets.

Temporary magnet, Permanent magnet, Electromagnet

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

Where are magnets used in real life?

Various answers

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

Name a type of magnetic material that the human body needs to function.

Iron

500
Describe what happens to the poles of a magnet if it's broken into 2 pieces.

the 2 new pieces then both have north and south poles.