Train analogy

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Train analogy
You are going to compare electricity to
a train. Include such concepts as
coulombs, joules, volts, current, amps,
series, conductor. You will draw and
label a picture, and explain each aspect
of your picture as it relates to how
electricity works. The explanation
should be written using complete
sentences, and detailed to show your
understanding of how electricity works.
Coulomb-Train
A number of electrons that carries energy. A unit
of charge. Can carry small amounts of energy or
large amounts.
Joules-Coal
1 volt is equal to 1 joule of energy per coulomb.
The voltage tells how many joules per coulomb.
Current-Speed of train
Current is how many coulombs per second are
passing a single point. This is measured in
Amperes (Amps)
Conductor-Track
A conductor is a path for the electric current to
follow. Metals are usually good conductors.
Series Circuit-The train’s route
A circuit where the electric current has 1 path to
follow, to and from the energy source.
Power source (Battery)-The coal
loading station
Provides the energy, (joules) to the coulombs.
Resistor-Utility plant
Resistors slow the current/reduce the voltage to
be used as energy to power something.
Switch-Draw Bridge
Starts and stops the flow of the current by
putting a gap in the circuit.
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