CAX KS3 sci convection currents

When air is heated it becomes

• More dense
• Less dense
• Heavier
• Moist

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

• conduction
• convection
• radiation
• Insolation 

Tags

NGSS.MS-ESS2-5

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

The way the heat is moving from the hot coffee is called...

• convection
• radiation
• insulation
• conduction

Tags

NGSS.MS-PS1-4

Carole owns a two story house with a heating and cooling unit on each floor. In the winter she mostly uses the downstairs unit because the volume of warm air __________ and __________ warming the whole house through __________.

• expands, rises, convection
• expands, sinks, conduction
• contracts, rises, conversion
• contracts, sinks, contraption

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

• Conduction

• Convection

• Radiation

• Conduction

• Radiation

• Convection