Front

What is an insulator?

Back

a material that slows the transfer of heat

Front

What is the BEST example of a conductor of thermal energy? A wooden block, A wool oven mitt, A plastic mug, A metal pan

Back

A metal pan

Front

A jacket is a good example of an . . .

Back

Insulator

Front

Conductor

Back

a material that transfers heat easily

Front

True or False: An insulator is a type of material that allows heat to escape from an object quickly.

Back

False

Front

Is rubber an insulator of electric energy?

Back

True

Front

Why do mittens help keep your hands warm in winter?

Back

They are insulators.

Front

Which of the following materials is an electrical conductor?
Options: silver, silver-colored plastic, cork, rubber

Back

silver

Front

In which circuit will the bulb or bulbs glow brightest? Options: A simple circuit with one light bulb and one battery, A simple circuit with one light bulb and two batteries, A simple circuit with two light bulbs and one battery

Back

A simple circuit with one light bulb and two batteries

Front

Why is a bulb brighter when it is powered by two batteries rather than one?

Back

Because the flow of electricity in the circuit is greater