Convection in the Mantle

Convection currents occur due to...

• rotation of earth

• differences in temperature and density

• electrons moving

• gravitational pull

Tags

NGSS.MS-ESS2-6

Molecules that are more dense than the surrounding particles will...

• rise up

• sink down

• stay put

Molecules that are less dense than the surrounding particles will...

• rise up

• sink down

• stay put

Select all that apply. Which of the following supports a convection current?

• energy build up

• heating/cooling of a fluid

• density changes

• force of gravity

Tags

NGSS.MS-ESS2-6

NGSS.MS-PS1-4

What do you call the transfer of heat by the movement of a heated fluid?

• radiation

• conduction

• convection

During a convection current, what happens once the fluid heats up?

• Its density decreases

• Its density increases

• Its particles occupy less space

• Its particles move more slowly

Tags

NGSS.MS-PS1-4

The diagram represents the movement of the mantle under the earth's crust. Which process is represented by the diagram?

• rotation

• conduction

• radiation

• convection

Tags

NGSS.MS-ESS2-1

Most geologists think the movement of Earth’s plates is caused by _______ .

• convection, ridge push and slab pull

• continental drift, seafloor spreading and volcanoes

• convergent, divergent and transform boundaries

• conduction, convection and radiation

Tags

NGSS.MS-ESS2-3

What is the heat source for convection in the mantle?

• the crust

• the mantle

• the core

Tags

NGSS.MS-PS3-4

Where do convection cycles happen?

• core

• mantle

• crust