circuits

a working circuit is a

• open circuit

• closed circuit

• i don't know

• answer not here

some of the light bulbs are brighter then others explain ?

• not here

• some have more battery then others

• some of them are close to diming off

is this a working circuit ?

• yes it is a working circuit

• no

• i don't know

What happens if you don’t have a switch and just a wire and light bulb and you connect it together what will happen

• The light bulb won’t light up

• It will light up

• you will have to disconnect the wire from the battery to turn the light bulb off

What is it called when light bends? (ex. magnifying glass)

• reflect

• refract

• absorb

• transmit

An open circuit makes the light bulb light up

• True

• False

find a mistake in the diagram

• the switch is on

• the switch is off

• open cuircuit

• closed cuircuit

what are the examples of an insulator

• rubber

• plastic

• wood

• a metal rular

what are the examples of conductors

• rubber

• metal

• water

• human body

Mahra finds that all of the electric cords in her school are covered with plastic. Why is it important to cover the electric cords with plastic?

• Plastic is an insulator.

• Plastic is a conductor

• Plastic is strong.

• Plastic will melt