Parts and Kinds of Cells
The Word Electricity
Devices/Instruments
Vocabulary
Grab Bag
100
A device that produces an electric current by converting chemical or radiant energy into electrical energy
What is a cell?
100
This a material in which charges can move freely
What is and electrical conductor?
100
This is any material that attracts iron or things made of iron
What is a magnet?
100
All matter is made up of these small particles
What are atoms?
100
Magnets have a north and south of these
What are poles?
200
Mixture of chemicals
What is an electrolyte?
200
This is an electric charge at rest
What is static electricity?
200
A circuit in which the parts are joined in branches such that the potential difference across each part is the same
What is a parallel circuit?
200
The law that states that like charges repel and opposite charges attract
What is the law of electric charges?
200
The two kinds of electric currents
What are direct currents (dc) and alternating currents (ac)?
300
Cell with liquid electrolytes
What is a wet cell?
300
This is a material in which charges cannot move freely
What is an electrical insulator?
300
This device is a pointed rod connected to the ground by a wire
What is a lightning rod?
300
The potential difference between two points
What is voltage?
300
The unit for electric current
What is amperes?
400
Part of a cell through which charges enter or exit
What is an electrode?
400
This is the release of electricity stored in a source
What is electric discharge?
400
This is a circuit in which the parts are joined one after another such that the current in each part is the same
What is a series circuit?
400
The interaction between electricity and magnetism
What is electromagnetism?
400
A coil of wire with an electric current in it
What is a solenoid?
500
Electrolytes in this cell are solid or paste like
What is a dry cell?
500
This is the rate at which charges pass through a given point
What is an electric current?
500
This device is used to see if something is charged
What is an electroscope?
500
The rate at which electrical energy is converted into other forms of energy
What is electric power?
500
The Danish physicist discovered the relationship between electricity and magnetism in 1820
Who is Hans Christian Oersted?
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