Convection Heat

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

• conduction

• convection

• radiation

Tags

NGSS.MS-ESS2-6

Heat transfer by convection is caused by differences in what two things:

• Thickness and material

• Weight and electricity

• Temperature and density

Tags

NGSS.MS-ESS2-6

Warm air is __________ dense than cold air and rises creating convection currents.

• more

• less

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

What is an example of a convection current?

• Touching a hot spoon that was in a soup bowl.

• Feeling the suns rays on a nice summer day.

• Touching an iron skillet after cooking and feeling the heat.

• Movement of gas in a hot air balloon.

Tags

NGSS.MS-ESS2-6

​ (a)   is heat transfer that occurs through the movement of fluids, which can be solid, liquid, or gas.

• Convection

• Radiation

• Conduction

Why does stirring a pot of soup help it cook more evenly?

• It increases radiation.

• It prevents conduction.

• It enhances convection.

• It reduces insulation.

Tags

DOK Level 2: Skill/Concept

Lava Lamp (a)  

• Conduction

• Convection

• Radiation

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Boiling Water (a)  

• Conduction

• Convection

• Radiation

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

During convection, more dense currents _________ and less dense currents _________.

• sink, rise

• rise, sink

Tags

NGSS.MS-ESS2-6

Near the ceiling of a room, the air is warmer. The warmer air is rising because of

• Convection

• Conduction

• Radiation

• It was told to by this crazy fool!

Tags

NGSS.MS-ESS2-6

NGSS.MS-PS1-4