Electricty
The electric force between two objects that are not in motion is called _________.
a) static electricity
b) electric force
c) electric current
d) series electricity
a) static electricity
What is the purpose of the battery as a part of a curcuit?
The power source
What is in the center of an electrical wire?
What is copper (conductor)
This type of circuit can light, light bulbs?
Both a series and parallel circuit?
Where is Edison from?
Ohio, United States
When an object gains electrons, it acquires a _______ charge.
a) negative
b) positive
c) neutral
d) electric
a) negative
What is the purpose of a wire as part of a circuit?
The conductor (in which the electrons flow)
What is wrapped around the copper wire in a circuit?
Rubber (insulator)
A __________ circuit will result in all bulbs going out, if one goes out.
Series
True or False: Edison invented the light bulb.
False. He wasn´t the first person to invent an electric light bulb, but he was the first person to invent a light bulb that produced light for a long period of time.
A poor electric conductor that is used to coat wires is called _________.
An insulator
What is the purpose of the rubber on the outside of a copper wire within a circuit?
An insulator
This material allow electricity to flow through it easily. Give an example.
A conductor. Copper.
This circuit is made up of more than one path of electricity?
Parallel
What is a phonograph?
A machine that records sound
Which of the two uses chemical reactions to create electric current?
a) electric generator
b) battery
b) battery
The purpose of the switch is to?
Turn the power on and off
This material DOES NOT allow electricity to flow through it easily? Give an example.
Insulator. Rubber.
A _____________ circuit will keep the other bulbs lit, if one light bulb goes out.
Parallel
What is a Kinetoscope?
The first motion picture camera.
Which of the following is used to interrupt the flow of current?
a) iron fillings
b) a wire
c) an electric motor
d) a switch
What is the purpose of the light bulb in a circuit?
Show the electricity/show light
Metals are examples of ________________ and plastic is an example of ___________________.
Conductors and insulators
This circuit is made up of only a single path of electricity?
A series circuit
Edison´s first successful invention was ________.
The phonograph