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Question 1 (3 points)
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What is magnetism?
Question 1 options:
Energy created by magnets
A force created by magnets
A contact force
An invisible force that attracts electrically charged particles
Question 2 (3 points)
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How are electromagnets different from magnets?
Question 2 options:
magnets have a North and South pole
magnets are more powerful
magnets can be turned on/off
you can turn an electromagnet on/off
Question 3 (3 points)
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Which of the following is NOT part of an electromagnet?
Question 3 options:
wire
iron
power source
toothpick
Question 4 (3 points)
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This is a picture of a simple electromagnet. How can the electromagnet be made stronger?
Question 4 options:
Remove all the coils and the nail.
Add more coils of wire to the nail.
Reverse the poles of the magnet.
Use a smaller battery.
Question 5 (3 points)
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What happens when a wire is wound into a coil around an iron core in an electromagnet?
Question 5 options:
you get electrocuted
the magnetic field becomes weaker
the wire explodes
the magnetic field becomes stronger
Listen
What is magnetism?
Question 1 options:
Energy created by magnets
A force created by magnets
A contact force
An invisible force that attracts electrically charged particles
Question 2 (3 points)
Listen
How are electromagnets different from magnets?
Question 2 options:
magnets have a North and South pole
magnets are more powerful
magnets can be turned on/off
you can turn an electromagnet on/off
Question 3 (3 points)
Listen
Which of the following is NOT part of an electromagnet?
Question 3 options:
wire
iron
power source
toothpick
Question 4 (3 points)
Listen
This is a picture of a simple electromagnet. How can the electromagnet be made stronger?
Question 4 options:
Remove all the coils and the nail.
Add more coils of wire to the nail.
Reverse the poles of the magnet.
Use a smaller battery.
Question 5 (3 points)
Listen
What happens when a wire is wound into a coil around an iron core in an electromagnet?
Question 5 options:
you get electrocuted
the magnetic field becomes weaker
the wire explodes
the magnetic field becomes stronger
Answers
Answered by
GPT-4o mini
Here are the correct answers to your questions:
**Question 1:** What is magnetism?
- **Answer:** An invisible force that attracts electrically charged particles.
**Question 2:** How are electromagnets different from magnets?
- **Answer:** You can turn an electromagnet on/off.
**Question 3:** Which of the following is NOT part of an electromagnet?
- **Answer:** Toothpick.
**Question 4:** This is a picture of a simple electromagnet. How can the electromagnet be made stronger?
- **Answer:** Add more coils of wire to the nail.
**Question 5:** What happens when a wire is wound into a coil around an iron core in an electromagnet?
- **Answer:** The magnetic field becomes stronger.
**Question 1:** What is magnetism?
- **Answer:** An invisible force that attracts electrically charged particles.
**Question 2:** How are electromagnets different from magnets?
- **Answer:** You can turn an electromagnet on/off.
**Question 3:** Which of the following is NOT part of an electromagnet?
- **Answer:** Toothpick.
**Question 4:** This is a picture of a simple electromagnet. How can the electromagnet be made stronger?
- **Answer:** Add more coils of wire to the nail.
**Question 5:** What happens when a wire is wound into a coil around an iron core in an electromagnet?
- **Answer:** The magnetic field becomes stronger.
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