Conduction Convection

A crayon placed on a dark driveway in bright sunlight melted into a colorful puddle. What caused the crayon to melt?

• Solar radiation heated the driveway and then heat transferred to the crayon by conduction.

• Solar radiation heated the driveway and then heat transferred to the crayon by radiation.

• Solar convection heated the driveway and then heat transferred to the crayon by radiation.

• Solar convection heated the driveway and then heat transferred to the crayon by conduction.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

You are in the top bunk of a bunk bed and you want to turn down the air conditioner on while your friend on the bottom bunk is fine is caused by ...

• Conduction

• Radiation

• Convection

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

What is the definition of CONDUCTION?

• When heat is transferred from objects like rays of light or electromagnetically.

• a  hot liquid or air that  expands, becomes less dense, and rises or becomes more dense, and sinks.

• When heat transfers from objects that are touching.

• When heat transfers through the heater or AC in your house.

Which of the following is an example of convection?

• A hair dryer is drying up your hair.

• When the AC or heater changes the temperature.

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

• When you are making soup and the water is rising and lowering.

Tags

NGSS.MS-PS3-3

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

• conduction

• convection

• radiation

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

• conduction

• convection

• radiation

Tags

NGSS.MS-ESS2-6

The handle of a metal spoon warms up when it is placed in a hot bowl of soup because of

• Convection

• Conduction

• Radiation

• insulation.

Tags

NGSS.MS-PS1-4

An iron is placed on your clothes to smooth out the wrinkles. The iron transfers heat to your clothes through

• conduction

• convection

• radiation

Tags

NGSS.MS-PS1-4

A pot is placed directly on a stove. The pot gets hot due to

• conduction

• convection

• radiation

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

• conduction

• convection

• radiation