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20
×
What are some advantages of electricity?
It's easy to transport, it can be transformed into energy and it doesn't pollute.
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15
×
Which is the lightest subatomic particle?
The electron.
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15
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An atom with fewer protons than electrons is called...
Negative Ion
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banana
Go to last place!
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rocket
Go to first place!
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fairy
Take points!
5
10
15
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25
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banana
Go to last place!
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seesaw
Swap points!
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star
Double points!
Okay!
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gift
Win 25 points!
Okay!
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baam
Lose 25 points!
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baam
Lose 25 points!
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gold
Win 50 points!
Okay!
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fairy
Take points!
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20
25
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banana
Go to last place!
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15
×
What is electricity?
It's a versatile source of energy which powers our houses, businesses and schools.
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15
×
When does the charge balance of an atom get interrupted?
When an electron moves away from the atom and becomes free.
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15
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What does current create?
A magnetic field.
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15
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What causes electricity?
The flow of charge caused by the movement of electrons.
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15
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What are some disadvantages of electricity?
It's difficult to store, it's transformation converts only a part from the primary resources and its production pollutes.
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15
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What's another name for the movement of electric charges?
Electric current
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10
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What is the smallest particle of matter?
The atom.
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20
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What was the first electric phenomenon to be observed?
Amber which, when rubbed, attracted other small objects.
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15
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Do atoms generally have a charge?
No, they usually don't.
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15
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An atom with more protons than electrons is called...
Positive Ion
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