Vocabulary
Static Electricity
Circuits
Switches
Miscellaneous
100
What is the material called that electrons move easily through?
a conductor
100
What kind of charge does an electron have?
negative charge
100
What supplies the energy to move electric current through a circuit?
a battery
100
What does a switch use to bridge a gap in a circuit?
a conductor
100
Is a paperclip an example of an insulator?
no
200
What is electric current?
the flow of electrons
200
Do like charges attract?
no, they repel
200
Name 2 types of circuits.
series and parallel circuits
200
True or False: When a switch is turned OFF, an insulator is moved into the pathway of electricity and the flow stops.
false
200
How many volts is a D cell battery?
1.5 volts
300
What is the path that electric current takes as it flows?
a circuit
300
Rubbing two objects together causes ________________.
friction
300
In which circuit are the bulbs dimmer?
series circuit
300
True or False: A doorbell uses an on/off switch.
false (pressure switch)
300
Name 3 insulators.
marble, string, eraser, pen cap, pencil, cardboard, paper, etc...
400
True or False: A resistor slows down the flow of current but does not stop it.
true
400
True or False: Static electricity is the build up of electrical charges.
true
400
In a parallel circuit, if one bulb is unscrewed, will the others stay lit?
yes
400
A flashlight where batteries are stacked end to end inside to light one bulb is an example of what kind of circuit?
series circuit
400
True or False: Christmas tree lights are an example of a parallel circuit.
false
500
What is the thread of wire that glows brightly in a light bulb called?
filament
500
What is the release of static electrical charges called?
electric discharge
500
In which circuit does the electric current travel through more than one path?
parallel circuit
500
What kind of switch does the telegraph use?
a tapper switch (pressure switch)
500
If there is a short circuit in our home, what do we have as a safety measure to protect it from fire?
a fuse or circuit breaker
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