Convection and Conduction

Jerry was trying to take his pizza out of the oven. When he reached for the pan he accidently burned his arm when he reached in for the pizza. What type of heat transfer caused this?

• Conevction

• Convection

• Codnuction

• Conduction

What heat transfer happens when you burn your finger by touching a fire?

• Convection

• Radiation

• Conduction

• Gravity

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

• Radiation

• Conduction

• density

• Convection

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

• conduction

• radiation

• convection

• Insolation

Tags

NGSS.MS-ESS2-6

Near the ceiling of a room the air is warmer.  The warm air rises because of...

• conduction

• radiation

• convection

• gravity

The type of heat transfer that creates currents in water is called ________.

• conduction

• radiation

• convection

• density

Tags

NGSS.MS-PS1-4

Which of these is Covection?

• is warm and dennse

• use electromagnetic waves

• only occurs in solds

• does not requiers matter or air

Tags

NGSS.MS-PS3-3

Which of the following is an example of convection?

• A hair dryer is drying up your hair.

• Boiling spaghetti noodles in water

• When a car engine turns hot after being turned on.

• When the AC or heater changes the temperature

Tags

NGSS.MS-ESS2-6

NGSS.MS-ESS2-5

Hot air balloons rise because the heated air is less dense than cold air, so as the warm rises as the molecules spread out. The cold air is pushed downward, where it is also heated and rises. This swirling movement of  air is called...

• convection

• radiation

• insulation

• conduction

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

• conduction

• radiation

• convection

• insolation