Conductors and Insulators

Copper

• Insulator
• Conductor 

A conductor allows energy to easily pass by.  

• True 
• False

What on the phone charger acts as an insulator?

• the metal plugs

• the plastic around the cord

Why should Mrs. Gattullo use oven mitts when taking cookies out of a hot oven?

• The oven mitts will protect her hands from the heat

• The oven mitts will keep his hands warm

• The oven mitts look pretty

• The oven mitts will keep her hands clean

What makes a substance a conductor?

• it can get cold

• it can stop heat and electricity

• it lets electricity flow through it

• it stops electricity

Rubber

• Insulator
• Conductor 

Aluminum

• Insulator
• Conductor 

An insulator ______ electricity and heat from passing through it.

• allows

• helps

• encourages

• prevents

How will the penny behave when it is exposed to thermal or electrical energy?

• Conductor

• Insulator

• More dense

• Not magnetic

Rubber is a insulator of electric energy

• true

• false