charges
conductors
poles
magnetism
compass
100
Electric current is the flow of ?
What are negative charges through matter.
100
When two objects have different electric charges.
What is pull toward each other?
100
Electric wire is coated with plastic or rubber because these materials are?
What are conductors.
100
Electric current passes through this easily.
What is a conductor.
100
Every time you turn on a light you do this.
What is close a circuit.
200
When you turn off one lamp all the lights in a room go off. the electric appliances are connected to what kind of circuit?
What is a series circuit.
200
This happens if you connect too many appliances to one circuit.
What is overheat and cause a fire.
200
This happens when you hold the south poles of two magnets near each other.
What is repel or push away.
200
A magnet's force is greatest here.
What is at its poles.
200
Most electric generators make electricity using these.
What are a magnet and a power source.
300
The compass shows that the Earth acts like this.
What is a giant magnet.
300
This is created when electric current flows through a wire.
What is an electromagnet.
300
When you rub two balloons together this happens.
What negative electric charges move from one to another.
300
The flow of negative charges through matter.
What is electric current?
300
If you plug too many applicances into one outlet.
What is an overload?
400
This is caused by the Earth's magnetic field.
What is the northern lights?
400
A machine that produces electricity.
What is a generator.
400
Electromagnets make electric power by
What is moving a magnet through coiled wire.
400
You feel a shock when you walk across a thick carpet and reach to turn on a light switch because.
What is negative electric charges jump from you to the switch.
400
You do this when you turn on a light.
What is close a circuit.
500
Repel means to-
What is push away from each other.
500
Attract means-
What is pull towards each other.
500
Hans Christian Oerstad discovered that electricity and magnetism are closely related when.
What is a nearby compass needle moved.
500
Electric wire is coated with plastic or rubber.
What is are good resistors.
500
Magnetism is strongest here.
What is a magnets poles.
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