This is the symbol for a _____?

• switch
• light 
• battery
• wires

This is the symbol for a _____?

• Lamp
• Water wheel
• Loudspeaker
• Motor

Name the symbol in the picture

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

Choose more than one correct answer.

• So we won't get electric shock when touch it

• To help electricity flow along the wire

• To insulate electric current

• To add more energy

Material that can conduct electric current is called ____.

• electrical conductor

• electrical insulator

• magnetic

• non-magnetic

What is a switch's function in a circuit?

• to make the current hotter or colder

• turn on and off the electric current

• the pathway that current flows

• to add more power to the circuit

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

Which material can connect the gap in the wire?

Choose two correct answer.

• 
• 
• 
• 

Tags

NGSS.MS-PS2-3

It connects the components of electrical circuit.

• light bulb

• battery

• wire

• switch

Tags

NGSS.MS-PS2-3

It is a component of electric circuit that provides electrical energy .

• battery

• light bulb

• wire

• switch