Convection Currents

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

• more

• less

Tags

NGSS.MS-ESS2-5

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

• conduction

• convection

• radiation

Tags

NGSS.MS-ESS2-6

Why does warm air rise?

• Warm air is more dense than cooler air.

• Warm air has more pressure than cooler air.

• Warm air is less dense than cooler air.

• Warm air has a higher dew point than cooler air.

Tags

NGSS.MS-PS1-4

Warm air rising creates an area of.....

• High Pressure

• Low Pressure

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Transfer of thermal energy caused by the rising of hotter less dense fluids and the sinking of cooler more dense fluids:

• convection

• conduction

• radiation

• density

Tags

NGSS.MS-ESS2-5

The plates of the crust move because...

• volcanoes erupt violently.

• of the weight of the oceans.

• of convection currents in the mantle.

• of the moon's gravity.

Tags

NGSS.MS-ESS2-3

Soup molecules moving and heating up on the stove is an example of...

• conduction.

• convection.

• radiation.

Hotter, less dense magma near the core...

• rises.

• sinks.

Tags

NGSS.MS-ESS2-1

A hot air balloon works because of...

• conduction.

• convection.

• radiation.

Tags

NGSS.MS-PS3-3

Radiation from the sun impacts water movement by

• density

• salinity

• convection

• conduction

Tags

NGSS.MS-ESS2-4