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A north pole and a south pole will attract each other.
Which of the following objects cannot be moved by a magnet?
A paper clip
How is a permanent magnet different from a temporary magnet?
A permanent magnet attracts materials made of iron.
A permanent magnet has poles.
A permanent magnet has a magnetic field.
A permanent magnet keeps its magnetism for a long time.
Earth acts like a giant magnet because its center is made up MOSTLY of
A device that uses a free-moving magnetic needle to show direction is a:
Where is the force of attraction the strongest on a magnet?
At the poles.
In the middle of the magnet.
Above the magnet.
Below the magnet.
Why does a compass needle, point towards the north?
The compass is a bar magnet.
North is up.
It lines up with the Earth's magnetic field.
What will happen when these magnets are brought close together?
They will attract each other.
They will repel each other.
Both the magnets will turn to the left.
Both the magnets will turn to the right.
This large crane magnet functions only when the electrical current is ON. The crane magnet is an example of what type of magnet?
Iron, Nickel and Cobalt are all __________________ materials.
What characteristics do magnetic substances have?
They can give you a "shock" when you touch them.
They can push or pull objects without touching them.
They are always black and cold to touch.
They fall faster than other objects when you drop them.
How is Earth's magnetic field similar to that of a magnet?
It is hundreds of miles long.
It has north and south poles.
It is made in Earth's core.
It is shaped like a horseshoe.
Which of the following statements is true about a bar magnet?
Its magnetic field is strongest near its center.
It is surrounded by a magnetic field.
The north pole is stronger than the south pole.
The south pole is stronger than the north pole.