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Electromagnets

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Last updated over 3 years ago
18 questions
Watch the videos and read the articles to answer the questions.
What is an Electromagnet?
How Magnets Work
Factors of an Electromagnet - what would make it stronger or weaker?
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6
Why are magnets important?
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Question 3 | 00:53
Question 4 | 02:31
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Question 3
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Question 4
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Question 5 | 00:37
Questions 6 & 7 | 00:49
Question 8 | 01:20
Question 9 | 01:30
Question 10 | 01:51
Question 11 | 02:23
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Question 5
00:37
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Questions 6 & 7
00:49
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Question 8
01:20
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Question 9
01:30
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Question 10
01:51
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Question 11
02:23
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Question 13
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What is an electric generator?

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Question 17 | 00:43
Question 18 | 01:17
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Question 17
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Question 18
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Question 1
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Question 2
2.

An electromagnet is created by

Question 3
3.

Atoms get their positive or negative charges by which particle moving?

Question 4
4.

The elecricity that makes our earth a magnet comes from....

Question 5
5.

The factors of an electromagnet are ____.

Question 6
6.

Which is stronger?

Question 7
7.

Why is A or B stronger?

Question 8
8.

Which is weakest?

Question 9
9.

Which has the smallest force of attraction?

Question 10
10.

Which has the greatest force of attraction?

Question 11
11.

Which has the smallest force of attrationction?

Question 14
14.

Why are electric generators important?

Question 15
15.

What is an electric motor? What are electric motors used for?

Question 16
16.

Match each of the items with how magnetism is involved

Draggable itemarrow_right_altCorresponding Item
Electric Motor
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Electricity is used to CREATE a Magnetic Force
Electromagnetic
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Magnetic forces CREATES Electricity
Electric Generator
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Magentic Forces CREATES Motion with Electricity
Question 17
17.

Atoms are made up of two charges. The positive charge is found in the....

Question 18
18.

Atoms need what to hold together?