Key Words
Concepts
Uses of Electricity
Circuits
100
What are the tiny particles that move to create electrical energy?
Electrons
100
Electricity provides energy to make 4 different things. Name two of these.
Light, Heat, Sound, Magnetism (which is used for motion)
100
Name something that uses electricity to create heat.
Hair dryer, space heater, oven, microwave, etc.
100
What type of circuit is fully connected with only one load (lightbulb)?
Closed Circuit
200
What does a conductor of electricity do?
It is something the helps electricity flow freely.
200
What is the difference between direct current and alternating current?
Direct current flows in one direction and alternating current switches directions back and forth.
200
Name something that uses electricity to create sound?
Phone, microphone, speakers, etc.
200
What do you call a circuit with a switch that is raised?
What is an open circuit?
300
What does an insulator do?
It stops of the flow of electricity.
300
True or False: Electricity can be used to create magnetic fields and magnetic fields can be used to create an electrical current.
True: Many of our modern machines like computers and motors use this relationship to work.
300
Name something that uses electricity to create light.
Lamp, lightbulb, spotlight, etc.
300
What do you call a circuit that has two loads and pathways for electricity to flow?
What is a parallel circuit?
400
What is the term used to describe the user of electricity in a circuit (for example, the light bulb).
The load or the resistor
400
Why would a wire used in a circuit have a copper wire interior and a rubber exterior? Use science words to explain.
The copper wire is a conductor and allows electricity to flow. The rubber is an insulator and protects us from an electric shock.
400
What is an electromagnet?
It is a magnet that is created by using an electrical current. A metal object like an iron nail can be turned into a magnet if a wire is wrapped around the nail and an electric current is put through the wire.
400
Will this circuit light? Why or why not?
It will not light because it is an open circuit. There is a gap so the electrons don't have a full path to follow.
500
What is the term used to describe the giver of electricity in a circuit (for example, the battery).
Power Source
500
Why does a battery have a negative terminal and positive terminal?
The electrons flow through a circuit. The electrons move from the negative end to the positive end. Electrons are attracted to the positive end.
500
How are electricity and magnetic fields related?
Electricity can be used to produce a magnetic field like in an electromagnet and a magnet can be used to create an electrical current.
500
Will this circuit light? Why or why not?
No, this will not light because the switch is open. You will need to close the switch for it to light.