Show:
Vocabulary
Electric Current
Static Electricity
Circuits
Miscellaneous
100
What is electric current?
the flow of electrons through a conductor
100
How many volts does a D cell battery have?
1.5 volts
100
Which particle of an atom is negatively charged?
the electron
100
Name 2 types of circuits.
series and parallel
100
What is the thread of wire that glows brightly in a light bulb called?
a filament
200
What is the material called that electrons move easily through?
a conductor
200
Is a paperclip an example of an insulator?
no, it's a conductor
200
Rubbing together two objects causes ______________.
friction
200
In which circuit are the bulbs dimmer?
series circuit
200
Who invented the telegraph?
Samuel Morse
300
What is the path that electric current takes as it flows?
a circuit
300
What does a switch use to bridge the gap in a circuit?
a conductor
300
Do like charges attract?
No, they repel
300
In a parallel circuit, if one bulb is unscrewed, will the others stay lit?
yes
300
Christmas tree lights are an example of which type of circuit?
series circuit
400
What is an insulator?
A material that electrons do not flow easily through
400
Name 3 insulators.
glass, rubber, plastic, wood, paper, cotton
400
What is static electricity?
the build up of electrical charges
400
Which circuit has more than one pathway for electricity to flow?
parallel circuit
400
What kind of switch does a telegraph use?
tapper switch (pressure switch)
500
What do we call the amount of push a current has?
voltage
500
TRUE or FALSE: When a switch is turned OFF, a conductor is moved out of the pathway of electricity and the flow stops.
true
500
What is the release of static electrical charges?
electric discharge
500
Which circuit draws more energy?
parallel circuit
500
A flashlight where the batteries are stacked end to end inside to light one bulb is an example of which type of circuit?
series circuit