Vocabulary
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True or False?
Let's Experiment!
100
What do we call it when 2 magnets push apart from one another?
repel
100
What do we call the two ends of a magnet where it's pull is the strongest?
poles
100
A magnet must have both a north pole and a south pole.
True
100
What did the magnetic filings allow you to see?
magnetic field
200
What do we call it when 2 magnets come together?
attract
200
What is the word that refers to both a push and a pull?
force
200
A magnet's force is not able to go through paper.
false
200
How were you able to induce magnetism into the nail?
Rub a magnet against the nail, hold a magnet to the nail
300
What do we call the instrument used for determining cardinal directions (north, south, west, east)?
compass
300
What do we call the region of magnetic force around a magnet?
magnetic field
300
Copper is not magnetic.
True
300
How could you test the various strengths of magnets?
See how many paper clips they would hold, etc.
400
What do we call an object that sticks to iron?
magnet
400
What do we call a magnet in which an iron or steel core is magnetized by the electric current in the coil of insulated wire around it?
electromagnet
400
Like poles attract and opposite poles repel.
False
400
How did you make an electromagnet?
Wound a wire around a nail and attached both ends of the wire to the ends of a battery. The nail could then pick up paper clips.
500
What do we call the rock that possesses magnetic properties and attracts iron?
lodestone
500
What refers to the influence of a permanent magnet's magnetic field on a piece of iron, which makes the iron act like a magnet?
induced magnetism
500
Steel is magnetic.
True
500
What made the electromagnet stronger?
Wrap the wire more tightly and more times around the nail.
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