Conductors vs. Insulators

Why are metals useful for making electrical wire?

• Metals do not bend.
• Metals hold much heat.
• Metals are insulators.
• Metals are conductors.

Which is NOT an insulator.

• Wool
• Plastic
• Copper
• Glass

Something electricity can't move through is called a(n) ______.

• conductor
• wire
• shoe
• insulator

What is a example of a conductor?

• wood 
• metal
• rubber
• rock

What is a example of a insulator?

• metal 
• rubber
• water

Tags

NGSS.MS-PS3-3

Rubber is a insulator.

• true
• false

You know that the object connected to the wires is a conductor because:

• The light bulb is glowing bright.
• It's a complete circuit.
• It's a closed circuit.
• The object is shiny.

Tags

NGSS.MS-PS2-3

Why is electrical wiring usually made from copper?

• Because copper is shiny
• Because copper conducts electricity
• Because copper is not magnetic

Glass

• Insulator
• Conductor 

Salt Water

• Insulator

• Conductor