
12.17
Flashcard
•
Biology
•
8th Grade
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is an electron?
Back
An electron is a subatomic particle with a negative charge that orbits the nucleus of an atom.
2.
FLASHCARD QUESTION
Front
How can you make an electromagnet stronger?
Back
You can make an electromagnet stronger by adding more coils to the iron core.
3.
FLASHCARD QUESTION
Front
What is a wire coiled around an iron core called?
Back
An electromagnet.
4.
FLASHCARD QUESTION
Front
What happens to a neutral metal object when a charged metal rod is brought near it?
Back
The neutral metal object becomes positively charged.
5.
FLASHCARD QUESTION
Front
What does it mean when objects have equal numbers of positive and negative charges?
Back
They are electrically neutral.
6.
FLASHCARD QUESTION
Front
What is the role of coils in an electromagnet?
Back
Coils create a magnetic field when an electric current passes through them.
7.
FLASHCARD QUESTION
Front
What is the relationship between electric current and magnetism?
Back
Electric current produces a magnetic field, which is the principle behind electromagnets.
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