Static electricity is the buildup of electric charge on an object.
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25
Explain one way to make an electromagnet stronger.
You can increase the number of wire coils or increase the electric current.
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15
define galvanometer
a device that measures small currents
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20
Define electromagnet.
solenoid with a ferromagnetic core
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15
Define electric field.
An electric field is the space around a charged object where its electric force is exerted on other charges.
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25
What is an Aurora?
are glowing displays in the night sky happens when energetic electrically charged particles travel along the magnetic field lines and collide with gas atoms in
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10
Objects become negatively charged when they ________ electrons
gain
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15
An electric current can produce a magnetic field. t or f
true
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15
....... is the relation between magnetism and electricity
electromagnetism
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baam
Lose 10 points!
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star
Double points!
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fairy
Take points!
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25
thief
Give points!
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thief
Give points!
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gold
Win 50 points!
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gift
Win 25 points!
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banana
Go to last place!
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20
The area around a magnet where magnetic forces act is called the ......................
magnetic field.
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20
is a material that allows electric charges to move easily through it.
conductor
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15
Like charges attract each other. t or f
false
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15
difference in electric potential energy per charge is called
