Heat
Conductor VS. Insulator
Vocabulary
100

The movement of heat inside a liquid or gas.

What is Convection?

100

Which of these would be a good insulator of electricity? 

A  Steel
B  Rubber
C  Copper
D  Aluminum 

B  Rubber

100

A material that allows electric current to flow through easily.

Electrical Conductor?

200

Elijah places four different materials at the same temperature onto a hot plate to find out which material is the best insulator. The information presented in the table shows the temperature of each material after 15 minutes. 

Elijah can conclude that which material is the best insulator?

Material 3

200

All of the objects below are conductors of electricity EXCEPT– 


A     An aluminum nail

B   A rubberband


C  A copper penny


 A steel fork

B a rubberband

200

A material that prevents heat or an electric current from flowing.

Insulator

300

Joshua is making a trivet. A trivet is placed on a table beneath a hot pot. 

He knows that he must choose something that will NOT allow heat to pass easily from the hot pot to the table. Which material should Joshua use to make the trivet? 

A  Wood
B  Aluminum
C  Copper
D  Silicon (kind of like plastic)

A  Wood

300

Which of the following materials is used to cover electrical wires for safety because it is an insulator of electric energy? 

A  Silicon
B  Aluminum
C  Copper
D  Rubber

D  Rubber

300

Which of the following will turn hot easily when soaked in boiling water?

plastic spoon, rubber spoon, wooden spoon, metal spoon

metal spoon

400

Can electric energy produce heat energy?

Yes. 

400

Conductors allow thermal and electrical energy to pass through easily. Insulators prevent the flow of thermal and electrical energy. Which of the following items is a poor conductor and a good insulator? 

A  Silver
B  Wood
C  Tin
D  Copper

B Wood

400

A pathway that allows an electric current to flow freely.

What is a Closed Circuit?

500

The movement of heat between objects that are touching.

What is Conduction?

500

What material would be good to use to make a pan for cooking?

Metal

500

A material that allows heat to pass through easily.

Thermal Conductor