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15
×
Electric or magnetic: This force occurs when there is an attractive and repulsive force between two poles.
Magnetic
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15
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Which of the following is an example of an electromagnet? A: Speakers B: Motor C: Both A and B
Both A and B
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banana
Go to last place!
Oops!
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magnet
Take 15 points!
Okay!
×
gift
Win 25 points!
Okay!
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baam
Lose 25 points!
Oops!
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seesaw
Swap points!
Oops!
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fairy
Take points!
5
10
15
20
25
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fairy
Take points!
5
10
15
20
25
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thief
Give points!
5
10
15
20
25
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monster
Reset all scores!
Oops!
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fairy
Take points!
5
10
15
20
25
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gift
Win 25 points!
Okay!
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thief
Give points!
5
10
15
20
25
15
×
__________ have a negative charge.
Electrons
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15
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Electric or magnetic: This force occurs when ions create attractive and repulsive forces.
Electric
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15
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Atoms that have a positive charge will be attracted to atoms that have a __________ charge.
Negative
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15
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When electrons all spin in the same direction, they create an invisible force known as __________.
Magnetism
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15
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When electrons flow through wires from a negative (-) terminal to a positive (+) terminal, a __________ is created.
Current
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15
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What makes an electromagnet stronger? The more __________, the more power.
The more coils
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15
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The area around an electric charge that experiences the force exerted by the electric charge is called the __________ __________
Electric Field
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15
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When your hair stands on end, each strand repelling the other, you are experiencing __________ __________.
Static electricity
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15
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What two things could a person do to increase the strength of an electromagnet?
Add more batteries or more coils
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15
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Electric charges that do not move through a current are known as __________ __________
Static Electricity
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15
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The two types of charges in electric and magnetic forces are __________ and __________.
Positive and negative
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