Static Electricity
Circuits
Conductors and Insulators
Electromagnets
Vocabulary
100
The build up of charges on an object.
What is static electricity?
100
A flow of electric charges.
What is an electric current?
100
Positive charges move easily through them.
What are conductors?
100
A magnet that has an iron center wrapped in wire that carries electric current.
What is an electromagnet?
100
An object that does not allow electric current to flow.
What is an insulator?
200
The direction an electric field extends from a charge?
What is in all directions?
200
An electric circuit with two or more paths for current to flow.
What is a parallel circuit?
200
Plastic and rubber materials make good ones.
What are insulators?
200
An electromagnet is a permanent magnet. True or false.
What is false?
200
An object that allows an electric current to flow.
What is a conductor?
300
The space in which an electric force acts.
What is electric field?
300
A light bulb burned out on a string of Christmas tree lights but the rest of the lights stayed on. What kind of circuit was this?
What is a parallel circuit?
300
When electric current flows where it is not wanted.
What is a short circuit?
300
Increasing the number of coils decreases the strength in an electromagnet. True or false.
What is false?
300
A circuit that has only one path for electricity to flow.
What is a series circuit?
400
A property of matter that causes objects to attract or repel each other.
What is an electric charge?
400
When adding another light bulb to an electrical circuit, the lights became dimmer. What kind of circuit was this?
What is a series circuit?
400
How much something resists the flow of electric charges.
What is resistance?
400
Batteries and holders, iron bar, and insulated wire.
What are supplies to make an electromagnet?
400
The measure of how much a material opposes the flow of a current.
What is resistance?
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