One
Two
Three
100
An object that attracts, or pulls on, certain materials, mainly iron and steel.
A magnet.
100
Ordinary trains are slowed by.....
Friction
100
Today, scientists know that Earth is a giant.......
magnet
200
A magnet's property of attracting these materials is called....
Magnetism.
200
Maglev trains speed on ......
Air
200
A magnetized needle that is allowed to swing freely is called a......
compass
300
The unlike poles of magnets.............each other.
Attract, or pull toward,
300
Lines formed by the iron filings around a magnet are called its.....
Lines of force.
300
The Earth's center is mostly made up of......
Iron
400
The like poles of magnets.............each other.
repel, or push away from,
400
The line of force of magnets is strongest at its.....
Poles
400
Particles of matter from space are sometimes captured by Earth's magnetic field, causing displays called.....
Auroras
500
Maglev means.....
Magnetic levitation
500
A naturally magnetic rock found at or near Earth's surface is a......
Lodestone
500
If you use a paper clip at the end of a magnet to pick up another paper clip, the first paper clip is a......
Temporary magnet
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