Circuits
Magnets
Bulbs
Hodge Podge
Vocabulary
100
Electric current can flow only through a circuit that is
closed
100
The two poles on a magnet are
North and South
100
The small coiled wire that glows when electric current passes through it
filament
100
the symbol for current
I
100
Material through which electric current passes easily
What is conductor
200
All the circuit parts are connected one after the other in
series circuit
200
When the North Poles on two magnets are near each other they will
repel each other
200
Most light bulbs filaments are made of what substance, which can burn up to 4000 Fahrenheit
tungsten
200
The terms for where a branch circuit meets to circuit
junctions
200
One source of electrical energy, primarily direct current
What is a battery
300
Electric current flows through more than one path in
parallel circuit
300
The place on a magnet where magnetism is the strongest
pole
300
What does LED stand for
light emitting diode
300
the symbol for the unit of resistance
omega
300
The device used to stop and start the flow of electric current in a circuit
What is a switch
400
A parallel circuit can have just one bulb and one battery True or False
true - it can have one bulb, but other branch circuits
400
a device in which magnetism is produced by an electric current.
an electromagnet
400
CFL stands for what
Compact fluorescent lamp or light
400
the rate at which the product of voltage and current are used
energy
400
Measure of how well electric current flows through a material
What is resistance
500
Electric current can not flow through series circuits when
the circuit is open or broken
500
A north and south pole of two separate magnets will do what when they come in contact
attract each other.
500
CFL contain what type of element (primarily)
mercury
500
potential difference is measured in what unit
voltage
500
Material through which electric current does not pass easily
What is an insulator
M
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