What is a closed circuit?

A complete electrical circuit around which current flows

Device to turn electrical current in circuit on or off

What is an insulator?

A material that will NOT allow an electric current to pass

A filament is which part of the light bulb?

The coiled wire that heats and glows.

A coiled wire in a light bulb that heats and glows.

What is a short circuit?

Accidental contact between two points in circuit

What is an open circuit?

A circuit with gaps in it where electricity can NOT flow

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Electric Circuits Grade 4

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4th grade electric circuits

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Questions 12

Answers

1
What is a closed circuit?
A substance that acts as a conductor and insulator.
A drawing with symbols, showing parts of an electric circuit
A complete electrical circuit around which current flows
A circuit with gaps where electricity can not flow
2
What did Thomas Edison invent?
soccer
the lightbulb
the iPhone
the lightning rod
3
This unit measures the electric potential of a battery:
calorie
pound
ampere
volt
4
What is a switch?
Device to turn electrical current in circuit on or off
Object that holds the wires in place
A metal strand to connect electrical devices incircuit
A coiled wire in a light bulb that heats and glows.
5
What is an insulator?
Object that holds the wires in place
A material that will NOT allow an electric current to pass
A material that allows an electrical current to pass.
A system that connects electrical devices so that they work.
6
Electricity is the:
brightness of a bulb
flow of electric charges
Air pressure in a wire
only source of power in our world
7
A filament is which part of the light bulb?
The coiled wire that heats and glows.
The glass part
The wire that supports the other wires
The screw cap at the bottom
8
What is a filament?
A coiled wire in a light bulb that heats and glows.
A glass bulb that provides light
A material that allows an electrical current to pass.
A prediction about how something works
9
What is a short circuit?
Accidental contact between two points in circuit
A unit used to measure the electric potential of abattery
flow of electrical charge
A complete electrical circuit
10
Which item is a conductor?
steel paper clip
wooden golf tee
plastic cup
rubber band
11
What is an open circuit?
A material that will NOT allow an electrical currentto pass.
A material thatallows an electrical current to pass.
A circuit with gaps in it where electricity can NOT flow
Anelectric circuit that only has ONEclosed path.
12
What device gives the power to our electric circuit?
the bulb
the battery
the wire
the Fahnestock clip

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