Convection and Density

How tightly or loosely packed the molecules of a substance are:

• density

• conduction

• convection

• radiation

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

NGSS.MS-ESS2-6

The molten rock in the mantle becomes hotter and less dense near the...

• crust.

• core.

Tags

NGSS.MS-ESS2-1

The molten rock in the mantle becomes cooler and more dense near the...

• crust.

• core.

Colder, more dense magma near the crust...

• rises.

• sinks.

Tags

NGSS.MS-ESS2-1

Hotter, less dense magma near the core...

• rises.

• sinks.

Tags

NGSS.MS-ESS2-1

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

Which is true?

• When cold fluids RISE, hot fluids SINK

• When hot fluids RISE, cold fluids SINK

Tags

NGSS.MS-PS1-4

Which is true?

• Cool air is LESS dense

• Warm air is LESS dense

Tags

NGSS.MS-ESS2-5

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-PS3-4