Conductors and Insulators

Front

Why is copper often used to line the bottom of cookware?

Back

Copper is a good conductor.

Front

Why does a metal ice cream scoop work more efficiently than a plastic one when dipped in warm water before scooping ice cream?

Back

The metal heats more quickly than the plastic.

Front

Why are pots used for cooking made of metal?

Back

Metal is an excellent conductor of heat.

Front

Which container used for cooking food would best conduct heat? Options: a container made of foam, a container made of glass, a container made of metal, a container made of plastic.

Back

a container made of metal

Front

How do a wooden spoon and a metal spoon react when placed into a pot of hot soup?

Back

The metal spoon gets hot sooner because heat transfers more easily through metal than wood.

Front

Why do asphalt streets often have cracks in them?

Back

because asphalt expands when heated and contracts when cooled

Front

Why does ice cream placed in a plastic cooler melt slower than ice cream placed in a metal pot?

Back

because plastic is a better insulator than metal

Front

Why is food heated in metal pans?

Back

The metal will heat well so the food will cook evenly.

Front

How do most metals react to being heated?

Back

They break.

Front

Why is it a bad idea to use metal chairs for a party on a hot sunny day?

Back

Metal chairs get hot quickly.