Conductivity Passage Questions

Front

A material that slows down or stops thermal or electrical energy as it passes through.

Back

Insulator

Front

A substance from which things can be made.

Back

Material

Front

A material that lets thermal or electrical energy pass through it easily.

Back

Conductor

Front

The ability of a material to allow energy to move through it.

Back

Conductivity

Front

What type of material could be used to cover the handles of pots and pans with metal handles that get very hot so you wouldn’t need a potholder? Options: Aluminum or steel, Wood or plastic, Copper or iron, Glass or ceramic

Back

Wood or plastic

Front

Marcus wraps his cold water bottle in several layers of paper before putting it in his lunch box. Which statement best explains why he did this?

Back

The paper will act like an insulator to keep his water cold.

Front

Which items conduct electrical energy: A steel key, cotton ball, and gold ring; A steel key, aluminum can, and plastic cup; A steel key, iron nail, and gold ring; A steel key, concrete block, and rubber band?

Back

A steel key, iron nail, and gold ring conduct electrical energy.

Front

Which of the following insulates thermal energy? A wood chair, cotton shirt, and plastic straw; A copper penny, cotton shirt, and plastic straw; A copper penny, cotton shirt, and steel wrench; A wood chair, brass key, and plastic straw.

Back

A wood chair, cotton shirt, and plastic straw insulate thermal energy.

Front

Which of the following materials is NOT an electrical conductor? Aluminum, Tap water, Rubber, Copper

Back

Rubber

Front

Why is plastic used to coat the wires on electrical cords?

Back

Plastic is an electrical insulator.