Magnets & Magnetic Fields WB Quiz

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Question 1 of 12

1. Question

How are magnets able to exert forces over a distance without touching an object?

The magnet is surrounded by a magnetic field that attracts or repels other objects.
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The magnet is surrounded by a neutron field that attracts or repels other matter.
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The magnet attaches itself to the objects.
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None of the answer choices.
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Question 2 of 12

2. Question

What is the most accurate description of the following diagram?

Some substances can be magnetized because their magnetic domains will align to the domains of a nearby magnet, while other substances can not be magnetized because their domains do not align when a magnet is nearby.
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All substances can be magnetized because their magnetic domains align to the domains of a nearby magnet.
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No substances can be magnetized because their magnetic domains will not align to the domains of a nearby magnet.
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Most substances can be magnetized because their magnetic domains align to the domains of a nearby magnet.
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Question 3 of 12

3. Question

Which of the following would demonstrate that magnets have magnetic force and magnetic field lines that cannot be seen by the naked eye alone?

Placing wooden blocks around a magnet.
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Placing iron filings around a magnet.
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Placing pennies around a magnet.
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Placing plastic shavings around a magnet.
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Question 4 of 12

4. Question

Select ALL answers that tell where the strongest parts of a magnet are. (2 choices)

North pole
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South pole
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Middle pole
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Inside pole
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Question 5 of 12

5. Question

Order the following by strength of magnetic force, with the strongest force first.

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Question 6 of 12

6. Question
Put the correct question next to its correct answer.
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- What do opposite poles do in a magnet?
- What do like poles do in a magnet?
- What happens when there is a large distance between a magnet and magnetic substances?
- What happens when there is a small distance between a magnet and magnetic substances?
attract

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repel

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there will be a weak attractive and/or repulsive force

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there will be a strong attractive and/or repulsive force

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Question 7 of 12

7. Question

How do the atoms in a magnetic substance behave when brought near a magnet?

Its magnetic domains in its atoms align towards the north and south poles of the magnet.
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Its atoms remain unaligned and do not align towards the north pole of the magnet.
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Its magnetic domains in its atoms align towards the east and west poles of the magnet.
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None of the answer choices
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Question 8 of 12

8. Question

True or False. Magnets do not have magnetic poles after you cut them in half.

True
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False
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Question 9 of 12

9. Question

How does Earth’s magnetic field help the planet survive?

It protects our planet from cosmic radiation and from the charged particles emitted by our Sun.
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It protects our planet from meteors and meteorites.
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It protects our planet from all forms of radiation from the Sun.
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It enables our planet to stay in orbit in our solar system.
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Question 10 of 12

10. Question

Select ALL of the following that are examples of machines that use electromagnets. (3 choices)

Plastic containers
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Lodestone
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Car
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Headphones
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Phone
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Question 11 of 12

11. Question

What is the difference between a permanent magnet and an electromagnet?

A permanent magnet is always on, its magnetic fields can not be turned off. An electromagnets magnetic fields can be turned on and off.
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An electromagnet is always on, its magnetic fields can not be turned off. A permanent magnets magnetic fields can be turned on and off.
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Permanent magnets attract all types of metals. Electromagnets only attract certain types of metals.
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Electromagnets attract all types of metals. Permanent magnets only attract certain types of metals.
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Question 12 of 12

12. Question
Match the term to the correct definition.
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- any material capable of attracting iron and producing a magnetic field
- Certain regions of a material that align with the Earth's external magnetic field.
- The two ends of a magnet known as the north and south pole.
- A magnet whose magnetic fields can be turned on and off.
Magnets

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Magnetic domains

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Magnetic poles

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Electromagnet

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Magnets & Magnetic Fields WB Quiz

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