Convection Currents

Which one heats and cools fastest?

• land
• sea
• both are the same rate
• air

Energy for convection on the Earth comes from...

• The sun
• The moon
• Solar winds
• The ocean

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS2-6

In convection, COOL air

• Rises
• Sinks

Tags

NGSS.MS-ESS2-6

In convection, WARM air

• Rises
• Sinks

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

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

• conduction
• convection
• radiation

Wind is created when

• Warm air moves into replace cool air
• Dry air moves in to replace moist air
• Cool air moves in to replace warm air
• Both air masses are the same temperature

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6