Electricity

Which of the following is a conductor?

• wood

• rubber

• metal

• plastic

This picture shows a circuit that is

• closed

• open

• an insulator

• static electricity

Imagine you are creating a circuit. It works and the light bulb turns on. Then you add a piece of plastic to the circuit, and the light bulb does not turn on. We can infer that the plastic is

• an insulator

• a conductor

• an electron

• static electricity

What needs to be done to this circuit so that the lamp lights up?

• Close the switch

• Add a source and close the switch

• Add another lamp

• Add another lamp and a switch

Tags

NGSS.MS-PS3-5

Why is electrical wiring usually made from copper?

• Because copper is shiny

• Because copper conducts electricity

• Because copper is not magnetic

• Because copper insulate electricity

Tags

NGSS.HS-PS2-5

If lamp 1 is unscrewed from its holder, what will happen to lamp 2?

• It will get brighter

• It will stay the same brightness

• It will go out

• Nothing will happen

Tags

NGSS.MS-PS2-3

A series circuit has ____ path(s) that the electric current can take. 

• One
• Two 
• Three 
• Four

In a parallel circuit, if one connection is broken, all of the connections stop working.

• True
• False

What kind of circuit is this?

• series
• parallel

this is the symbol for a _____?

• switch
• light 
• battery
• wires

Tags

NGSS.HS-PS2-5