Convection and Conduction

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-ESS2-5

NGSS.MS-ESS2-6

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

• conduction

• convection

• radiation

A certain type of decorative lamp contains colored liquids. These liquids form globs that break off and rise to the top of the liquid. The globs rise due to

• Convection

• Conduction

• Radiation

Tags

NGSS.MS-PS1-4

Water boiling in a pot

• Conduction

• Convection

• Radiation

Conduction or Convection?

Tags

NGSS.MS-ESS2-6

Liam is cooking pasta. He starts with just a pot of hot water then he adds the cold pasta how does the pasta get cooked?

• conduction

• radiation

• convection

• conduction and convection

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Conduction or Convection?

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Rising warm air currents is an example of?

• Radiation

• Conduction

• Convection

Tags

NGSS.MS-ESS2-6

What causes the circulation of air in the atmosphere?

• Air in the atmosphere is heated by the sun and sinks to the ground.

• The ground is heated by the sun and then heats the air, causing the air to rise.

• Air loses heat to the ground and then rises upward to obtain more energy.

• The sun heats the clouds which forces the cooler air to move away and sink.

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

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

Tags

NGSS.MS-ESS2-6