7 Conduction, Convection, & Radiation

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

• Conduction
• Radiation
• Convection
• Density

The rubber or plastic on electrical cords is an example of 

• insulators
• conductors
• radiators
• convectors

When a frying pan is touching a stove that is on, what heat transfer is happening?

• Conduction

• Radiation

• Convection

The baby chickens kept warm from a heat lamps 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

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

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

• conduction
• convection
• radiation

Warm air is __________ dense than cold air and rises, which creates convection currents.

• more

• less

You get sunburned due to __________ from the sun.

• conduction

• convection

• radiation

Johnny accidentally grabbed the handle of a hot pot a burned himself. This is an example of...

• conduction

• convection

• radiation

A group of friends gather around a fire to stay warm. This is an example of...

• conduction

• convection

• radiation