Electric Circuits

Which part of the bulb glows and gives off light?

• Filament

• Metal tip

• Metal Threaded base

• Glass bulb

Where does electricity enter and exit the bulb?

• filament

• metal tip and threaded base

• support wires and filament

• glass bulb and support wires

Which will light a bulb?

• a switch and a wire

• a paper clip and a wire

• a battery and a switch

• a battery and a wire

What do lightbulbs give off?

• wind energy

• heat energy

• food energy

• solar energy

Which bulbs will light?

• All of them

• None of them

In a circuit, what does the wire act as?

• an insulator

• an energy source

• a conductor

• a receiver

One D-Cell battery produces 1.5 volts. How many total volts would 10 D-cell batteries produce?

• 15 volts

• 11.5 volts

• 30 volts

• 7.5 volts

Which of the following is NOT something you would check to fix a circuit tester?

• Are the wires firmly connected to the bulb socket?

• Is the bulb burned out?

• Do you need a new battery?

• Is the switch turned off?

What kind of objects complete a circuit?

• insulators

• conductors

What best describes objects that can complete a circuit?

• items that are silver in color

• items that are made of metal

• items that are long and flexible

• items that are smooth