Magnetism and Electromagnetism

Flashcard
•
Science
•
8th Grade
•
Hard
+1
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is an electromagnet?
Back
An electromagnet is a type of magnet in which the magnetic field is produced by an electric current. It consists of a coil of wire wrapped around a ferromagnetic core.
Tags
NGSS.MS-PS2-3
2.
FLASHCARD QUESTION
Front
What is a bar magnet?
Back
A bar magnet is a permanent magnet that has a north and south pole and produces a magnetic field without the need for electricity.
Tags
NGSS.MS-PS2-3
NGSS.MS-PS2-5
3.
FLASHCARD QUESTION
Front
What is the main difference between electromagnets and bar magnets?
Back
Electromagnets need electricity to generate a magnetic field, while bar magnets do not.
4.
FLASHCARD QUESTION
Front
How can you create an electromagnet?
Back
You can create an electromagnet by wrapping a coil of wire around a ferromagnetic material and connecting the ends of the wire to a battery.
5.
FLASHCARD QUESTION
Front
Where is the magnetic force strongest on a magnet?
Back
The magnetic force is strongest at the poles of the magnet.
Tags
NGSS.MS-PS2-3
6.
FLASHCARD QUESTION
Front
What is a permanent magnet?
Back
A permanent magnet is a magnet that maintains its magnetic properties over time without the need for an external power source.
7.
FLASHCARD QUESTION
Front
What is a temporary magnet?
Back
A temporary magnet is a magnet that only retains its magnetic properties while in the presence of a magnetic field or electric current.
Tags
NGSS.MS-PS2-3
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