Magnetism
Flashcard
•
Science
•
8th Grade
•
Hard
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is magnetism?
Back
Magnetism is a physical phenomenon produced by the motion of electric charge, which results in attractive and repulsive forces between objects. It is a fundamental force of nature.
Tags
NGSS.MS-PS2-3
NGSS.MS-PS2-5
2.
FLASHCARD QUESTION
Front
What materials are attracted to magnets?
Back
Materials that are attracted to magnets include ferromagnetic materials such as iron, nickel, and cobalt.
Tags
NGSS.MS-PS2-3
3.
FLASHCARD QUESTION
Front
What are the poles of a magnet?
Back
The poles of a magnet are the regions where the magnetic force is strongest. Every magnet has a north pole and a south pole.
4.
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 can be turned on and off.
Tags
NGSS.MS-PS2-3
5.
FLASHCARD QUESTION
Front
How can you increase the strength of an electromagnet?
Back
You can increase the strength of an electromagnet by increasing the current through the wire, using a larger iron core, or increasing the number of loops of wire around the core.
6.
FLASHCARD QUESTION
Front
What are magnetic field lines?
Back
Magnetic field lines are invisible lines that represent the direction and strength of a magnetic field. They emerge from the north pole and enter the south pole of a magnet.
Tags
NGSS.MS-PS2-3
NGSS.MS-PS2-5
7.
FLASHCARD QUESTION
Front
What is a compass?
Back
A compass is a device that uses a free-moving magnetic needle to show direction. The needle aligns itself with the Earth's magnetic field.
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