electric circuit

Why electrical wiring usually are covered with a layer of plastic?

• To make it look pretty

• To help electricity flow along the wire

• To make it safe

• To add more energy

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

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.MS-ETS1-1

Which of the following materials is an electrical conductor?

• Silver spoon

• Silver-colored plastic spoon

• rubber spoon

• wooden spoon

A material that does NOT let electricity pass through it is called ...

• An electrical conductor

• An electrical insulator

• An electrical source

• An electric appliance

This is the symbol for a _____?

• switch
• light 
• battery
• wires

This is the symbol for a _____?

• Lamp
• Water wheel
• Loudspeaker
• Motor

The form of energy that can produce light, heat, motion, and magnetic force.

• electricity
• water
• grass

Tags

NGSS.4-PS3-2

An example of an insulator is?

• metal
• plastic
• brass
• aluminum

Tags

NGSS.MS-PS3-3

What are the components of simple electric circuit?

• battery, light bulb

• battery, light bulb, wire

• battery, light bulb wire and switch

• battery, light bulb, switch