thermal energy transfer unit 5

Which best describes heat transfer by radiation?

• A slice of bacon frying in a pan.

• A pot on a stove boiling water.

• Cooking a hotdog in a microwave.

• A hot air balloon.

Which of the following best describes CONVECTION?

• When heat is transferred through waves.

• When heat is transferred through objects that are touching.

• The movement of gas or liquid in which warmer parts move up and the colder parts moves down.

What kind of heat transfer is occurring when the sun warms the sand?

• Conduction

• Convection

• Radiation

• All of them

Warm air rises and the cool air sinks demonstrates this type of heat transfer.

• Conduction

• Convection

• Radiation

Heat transfers from an area of ________ temperature to an area of _______ temperature.

• high to low

• low to high

• high to high

• low to low

Walking on a warm sand with your bare feet shows this type of heat transfer.

• conduction

• convection

• radiation

The ______ air rises and the cold air sinks in convection heat transfer.

• warm

• cold

• same

• very cold

Clark accidentally grabbed the handle of the hot pot. This shows ______________.

• radiation

• conduction

• convection

You and your friends gathered around a campfire to keep warm. How heat is being transferred?

• conduction

• convection

• radiation

This is the transfer of thermal energy through "space".

• conduction

• radiation

• convection

• spaceship