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- 1. Multiple Choice
A north pole and a south pole will attract each other.
True
False
- 2. Multiple Choice
Which of the following objects cannot be moved by a magnet?
A paper clip
A nail
A toothpick
A staple
- 3. Multiple Choice
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.
- 4. Multiple Choice
Earth acts like a giant magnet because its center is made up MOSTLY of
Granite
Limestone
Iron
Nickel
- 5. Multiple ChoiceTrue or False: All metals stick to magnets.TrueFalse
- 6. Multiple ChoiceIt is possible for a magnet to have only one pole.TrueFalse
- 7. Multiple Choice
A device that uses a free-moving magnetic needle to show direction is a:
Lodestone
Magnet
Compass
Magnetic field
- 8. Multiple Choice
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.
- 9. Multiple Choice
Why does a compass needle, point towards the north?
The compass is a bar magnet.
North is up.
It deflects.
It lines up with the Earth's magnetic field.
- 10. Multiple Choice
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.
- 11. Multiple Choice
This large crane magnet functions only when the electrical current is ON. The crane magnet is an example of what type of magnet?
NIB Magnet
Ceramic Magnet
Electromagnet
Disc magnet
- 12. Multiple Choice
Iron, Nickel and Cobalt are all __________________ materials.
Shiny
Poles
Magnetic
Cold
- 13. Multiple Choice
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.
- 14. Multiple Choice
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.
- 15. Multiple Choice
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.
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