Electricity Chapter Review

Vocabulary --> An electric charge in motion is called ___________.

• an electric current

• an insulator

• a parallel circuit

• an energy source

Suppose you have a set of lights that are wired in a PARALLEL circuit. What will happen to the circuit if one bulb burns out?

• the circuit will break

• the other light bulb will burn out

• the other light bulb stays lit

A flashlight is a series circuit that uses a battery as its energy source. Describe what happens in a flashlight when the switch is turned from OFF to ON.

A material through which an electric charge can move easily is _____________.

• a resistor

• an insulator

• a filament

• a conductor

Which material would be the BEST insulator for a metal wire?

• silver

• graphite/lead

• glass

• copper

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

5 light bulbs are wired on one circuit. Three bulbs are lit, two are not. What type of circuit is this?

• series circuit

• parallel circuit

• open circuit

• short circuit

A good energy source for a simple circuit is ___________.

• a battery

• a copper wire

• a light bulb

• a switch

Which of these materials is a CONDUCTOR?

• rubber

• chalk

• gold

• glass

What is one use for an INSULATOR?

• It slows down the flow of electric current to produce heat and light.

• It sores electric energy for later use.

• It allows electric current to flow through it.

• It makes electrically charged objects safe to handle.

A resistor in a light bulb is called __________.

• an insulator

• an electric charge

• a filament

• a power source