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BMV - Quizlet Unit 6 Review (Working with Electricity) Florida Science Fusion 5th Grade

Terms in this set (24)

insulator
A material that resists the flow of electric charge and therefore does not conduct electricity well.
conductor
A material that readily allows electric charges to pass through it and therefore carries electricity well.
The are an insulator that resists the flow of electric charge
Why do rubber gloves protect someone from being electrocuted?
An insulator
What is the rubber coating on an electrical wire called?
A path along which electric charges can flow.
What is an electric circuit?
The circuit must for a complete loop
For an electrical device to work, what must the circuit do?
A closed circuit
What type of circuit forms a loop?
An open circuit
What type of circuit has a path that is broken, preventing the electric charge from flowing?
filament
the tiny wire inside of a light bulb
series circuit
An electric circuit in which the electric charges have only one path to follow
If one light bulb in a series circuit burns out, what happens to the rest of the light bulbs?
All of the light bulbs will go out
parallel circuit
An electric circuit that has more than one path for the electric charges to follow.
Can charges still flow if one part of a parallel circuit breaks?
Yes
Can charges still flow if one part of a series circuit breaks?
No
They produce heat
What happens as electric charges flow through conductors?
The insulation can melt
What can happen if too much heat builds up in the electric conductors?
A fuse or a circuit breaker
What is added to a circuit to protect against fires?
Switched that work automatically
What is a fuse or circuit breaker?
A circuit overload
What happens when too many devices on one circuit are turned on?
Amps
What is electric current measured in?
Electrical energy into sound energy
A doorbell circuit includes a source of current, a bell, a button that switches the current on and off, and wires. What energy transformation occurs when the doorbell rings?
C. The circuit is changed so that the wires do not make a complete loop
Which of the following will cause electric charges to no longer flow through a circuit?
A. A wire is replaced with a conductor
B A switch is flipped, causing the circuit to become closed
C. The circuit is changed so that the wires do not make a complete loop
D. The wires are changed so that a series circuit becomes a parallel circuit
A circuit with too many devices on one circuit
What is an overloaded circuit?
Don't have more devices on the circuit than it can handle
How can you prevent having an overloaded circuit?
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