At first, both the water in object A and B is 29°C

After heated for a few minutes, the water:

-In object A is 31°C

-In object B is 70°C

Which object is a good conductor of heat?

• Object A

• The water in object A

• Object B

• Object A and B

A metal spoon left in hot soup will become warm because metal is a good conductor of heat.

• Yes, the metal spoon will become warm.

• No, the metal spoon will still be cold.

• Neither.

• Nothing will happen

Which material is NOT a good conductor of heat?

• Iron
• Glass
• Copper
• Aluminum

True or False: Air is a good conductor of heat.