Convection, Conduction and Radiation

What is the definition of CONVECTION

• When heat transfers through waves.
• When heat transfers from objects that are touching.
• a  hot liquid or air that  expands, becomes less dense, and rises or becomes more dense, and sinks.
• Heat traveling from the sun

Heat transfers from an area of ____temperature to an area of ___ temperature.

• high to low
• low to high
• high to high
• It can travel high to low and low to high. 

What kind of heat transfer happens when the sun is heating your body?

• Conduction
• Radiation
• Convection
• Density

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

• conduction
• convection
• radiation
• Insolation 

The baby chickens are kept warm from the heat lamps demonstrates this type of heat transfer. 

• conduction
• convection
• radiation

Walking on the warm sand sand with your bare feet demonstrates this type of heat transfer. 

• conduction
• convection
• radiation

Johnny accidentally grabbed the handle of the hot pot.

• conduction
• convection
• radiation

A group of friends gather around a fire to stay warm.

• conduction
• convection
• radiation

Transfer of thermal energy through "space"

• conduction
• convection
• radiation

Transfer of thermal energy through "flow"

• conduction 
• convection
• radiation