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- 1. Multiple Choice
How can an atom behave like a magnet?
A spinning proton produces a magnetic field that makes the electron behaves like a tiny magnet in an atom.
A spinning neutron produces a magnetic field that makes the electron behaves like a tiny magnet in an atom.
A spinning electron produces a magnetic field that makes the electron behaves like a tiny magnet in an atom.
A spinning ball produces a magnetic field that makes the electron behaves like a tiny magnet in an atom.
- 2. Multiple Choice
Check the CORRECT answers that shows how magnetic domains are arranged in an magnetic material.
In a magnetized material, all or most of the magnetic domains are arranged in the same direction.
The magnetic fields of domains are aligned.
The magnetic fields of domains are always not aligned.
Most of the magnetic domains are pointing in the same direction.
- 3. Multiple Choice
Choose all correct answers that tell how magnets can be changed.
By placing an unmagnetized ferromagnetic material in a strong magnetic field.
By rubbing the material with one pole of a magnet.
By dropping or striking it hard
By heating the magnet
- 4. Multiple Choice
Is it TRUE or FALSE? An entire magnetic domain acts like a bar magnet with a north and a south pole.
TRUE
FALSE
- 5. Multiple Choice
What is a ferromagnetic material?
A magnet made from a material that easily loses its magnetism.
The smallest particle of an element.
A material that shows a strong magnetic properties.
A magnet made from a material that keeps its magnetism for along time.
- 6. Multiple Choice
Is the following sentence TRUE or FALSE? Above a certain temperature, a material loses the property of magnetism.
TRUE
FALSE
- 7. Multiple Choice
What happens when you break a magnet into pieces? Choose all the correct answers.
Each smaller magnet has its own north pole and south pole.
One piece of the broken magnet has a north pole and the other piece has a south pole.
The short pieces will still have the strong ends made up of many north and south poles.
If you break the other half of the broken magnet into two pieces, you will have only one magnet.
- 8. Multiple Choice
Which ones tell you about a magnetic domain?
A particle that carries a positive charge.
A grouping of atoms that have their magnetic fields aligned.
A particle that carries a negative charge.
A particle that does not carry a charge.
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