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15
×
What makes an electromagnet stronger? The more __________, the more power.
The more coils
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15
×
When electrons all spin in the same direction, they create an invisible force known as __________.
Magnetism
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15
×
Stronger or weaker: The magnetic field of a magnet is __________ further away from the magnet
Weaker
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15
×
Electric charges that do not move through a current are known as __________ __________
Static Electricity
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15
×
Electric or magnetic: This force occurs when ions create attractive and repulsive forces.
Electric
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seesaw
Swap points!
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gift
Win 5 points!
Okay!
×
shark
Other team loses 25 points!
Okay!
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banana
Go to last place!
Oops!
15
×
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
×
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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15
×
__________ have a negative charge.
Electrons
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15
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Inward or outward: An electric field that is positive (+) moves __________ to/from the charge
Outward
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15
×
Atoms that have a positive charge will be attracted to atoms that have a __________ charge.
Negative
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15
×
When electrons flow through wires from a negative (-) terminal to a positive (+) terminal, a __________ is created.
Current
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15
×
The two types of charges in electric and magnetic forces are __________ and __________.
Positive and negative
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boom
Lose 50 points!
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fairy
Take points!
5
10
15
20
25
×
rocket
Go to first place!
Okay!
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thief
Give points!
5
10
15
20
25
×
boom
Lose 50 points!
Oops!
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magnet
Take 25 points!
Okay!
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rocket
Go to first place!
Okay!
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thief
Give points!
5
10
15
20
25
15
×
In a magnet, opposite poles __________.
Attract
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