What is the transfer of heat by movement of liquids or gases?

• Radiation

• Convection

• Conduction

What is a transfer of heat energy by electromagnetic waves?

• Radiation

• ConvectionConduction

What is the transfer of heat by direct contact?

• Convection

• Electromagnetic waves

• Conduction

• Radiation

Warm air rises and the cool air sinks. This is...

• convection

• conduction

• radiation

Heat transfers from an area of (a)   temperature to an area of (b)   temperature.

• high to low

• low to high

• high to high

You're holding hands with your best friend.  Your friend's hands are REALLY warm and yours are really cold.  After a few minutes, this has changed.  How might you explain what happened?

• The cold energy from your hand transferred to your friend's hand through conduction.

• The heat energy from your friend's hand transferred to your hand through conduction. 

• The cold energy from your hand transferred to your friend's hand through convection.

• The heat energy from your friend's hand transferred to your hand through convection.

Heat transfer through waves is called___

• conduction

• convection

• radiation

Radiation can transfer heat without any medium like air or water.

• True

• False

Sun's heat reaches the Earth through ________________.

• Radiation

• Conduction

• Convection

Roads becoming hot during summer is -

• CONDUCTION

• CONVECTION

• RADIATION