Electrical Circuits

Which item is a source of electricity in a circuit?witch

• the wire

• the switch

• the battery

• the light bulb

Which part of a circuit uses electricity?

• battery

• wire

• light bulb

• switch

Tags

NGSS.4-PS3-2

Which object could replace a switch in a circuit and still let the bulb light up?

• rubber band

• strip of cloth

• metal paper clip

• wooden toothpick

Tags

NGSS.MS-PS2-3

Which of these materials is a conductor?

• rubber

• plastic

• glass

• copper

Which of these materials is an insulator?

• rubber

• aluminum

• copper

• steel

What should you do if you see an electrical power line down in your neighborhood?

• pick it up

• find someone to help you move it

• be very careful not to touch it and then go tell an adult

• try to reattach the wire to the telephone pole

Which BEST describes the energy change inside a light bulb?

• electricity to light and heat

• heat and light to electricity

• electricity to light

• heat to light

Tags

NGSS.MS-PS3-5

Which energy change happens inside a toaster?

• light to heat

• sound to heat

• electricity to sound

• electricity to heat and light

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

Which device changes electricity to sound energy?

• light bulb

• radio

• lamp

• iron

Which part of a circuit stops and starts the flow of electricity?

• switch

• battery

• wire

• light bulb