Convection in the Mantle

The ___________ is directly above the outer core, and is ______________ .

• asthenosphere, like hot tar

• lithosphere, and is brittle

• mesosphere, and is solid rock

What are the 3 layers of the mantle from outermost to innermost?

• lithosphere, asthenosphere, mesosphere

• mesosphere, asthenosphere, lithosphere

• mesosphere, lithosphere, asthenosphere

• lithosphere, mesosphere, asthenosphere

Which layer of the mantle is a plastic-y, flowing, solid like layer?

• asthenosphere

• lithosphere

• mesosphere

This is the outermost, rigid layer of the Earth, made up of two parts, is divided into pieces call tectonic plates.

• inner Core

• asthensophere

• lithosphere

• outer Core

Tags

NGSS.MS-ESS2-3

Convection currents occur due to...

• rotation of earth

• differences in temperature and density

• electrons moving

• gravitational pull

Tags

NGSS.MS-ESS2-6

NGSS.MS-ESS2-5

Which of the following is one reason Earth's tectonic plates to move?

• energy from the Sun

• magnetic Pole Reversal

• convection currents in the mantle

• faults in Mountain Ranges

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

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-ESS2-1

NGSS.MS-ESS2-2

What is the heat source for convection in the mantle?

• the crust

• the mantle

• the core

Tags

NGSS.MS-ESS2-1

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

What kind of currents cause heat transfer in the Earth?

• convection currents
• radiation currents
• conduction currents
• ocean currents

Tags

NGSS.MS-ESS2-6