Circuit
What is the power source of a circuit?
Battery
What is in the center of an electrical wire?
What is copper (conductor)
What is the charge of an electron?
Negative
The best choice for a conductor a glass rod?
False
What is a magnetic field?
The area which the magnetic field is felt.
What is the purpose of a wire as part of a circuit?
It allows the electrons to flow.
What is wrapped around the copper wire in a circuit?
What is rubber (insulator)
What is the charge of a proton?
Positive.
A battery or other source of current MUST always be a part of an electric circuit?
True
Wire
What is the purpose of the rubber on the outside of a copper wire within a circuit?
To serve an an insulator for our protection.
This material allow electricity to flow through it easily.
What is a conductor?
What is the charge of a neutron?
Neutral
You must have a switch to complete a circuit?
False
Temporary
The purpose of the switch is to?
To turn the power on and off.
This material DOES NOT allow electricity to flow through it easily?
What is an insulator?
If there are 10 electrons in an atom and 5 protons what is the overall charge?
-5
All circuits need a wire.
True
Increasing the coils in an electromagnet will also increase the ____________.
strength of the electromagnet.
What is the purpose of the light bulb in a circuit?
To show the electricity/ to show the presence of electricity.
Metals are examples of ________________ and plastic is an example of ___________________.
What is conductor, insulator?
If there are 6 electrons in an atom,5 protons and 3 neutrons, what is the overall charge?
-1
Plastic is an insulator?
True.
State two places where electromagnets can be found.
Dependent on answers: Bell, Truck, Landfill areas