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Chapter 4 Vocabulary
Charges
Charges of particles
Circuits
Miscellaneous
100
A giant spark of electric charges moving between a cloud and the ground, between a cloud and another cloud, or within a cloud.
What is lightning
100
A positively charged particle found within the nucleus.
What is a proton
100
4 electrons; 4 protons
What is no charge
100
An insulator
What is something that doesn't let electricity pass through
100
A device that uses a magnet to change mechanical energy into electrical energy
What is a generator
200
The steady flow of electric charges, usually in a wire
What is electric current
200
A negatively charged particle found outside the nucleus of an atom.
What is an electron
200
5 electrons; 7 protons
What is positively charged
200
Metals make good ___________
What are conductors
200
Electricity from the power plant enters this in your home.
What is the circuit box
300
Part of a circuit that closes the circuit and allows electricity to flow or opens the circuit and prevents the flow of electricity
What is a switch
300
Two ________ charges repel one another
What are "like" charges
300
12 electrons; 8 protons
What is negatively charged
300
Wood, plastic, paper, and rubber are all good examples of these
What are insulators
300
If too much current flows through this, the piece of metal inside melts which stops the flow of electricity
What is a fuse
400
A special outlet with a safety switch that instantly switches off in some dangerous situations to help prevent a shock
What is a GFCI outlet
400
Two __________ charges attract one another
What are "opposite" charges
400
5 electrons; 9 protons
What is positively charged
400
When a light bulb is on, the circuit is...
What is closed
400
Fuses are now being replaced with this.
What is a circuit breaker
500
A unit used to measure the amount of electrical energy
What is a kilowatt-hour
500
This terminal of a battery is where the electricity leaves the battery
What is the negative terminal
500
A particle with an equal amount of protons and electrons
What is a particle with no charge
500
When a light bulb is off, the circuit is...
What is closed
500
This is a switch with a built in thermometer
What is a thermostat