Mantle Convection

Convection currents occur due to...

• rotation of earth

• differences in temperature and density

• electrons moving

• gravitational pull

Tags

NGSS.MS-ESS2-5

Where does the heat come from that drives this convection current in the mantle?

• the sun

• the core

• the ocean

• the mantle

Tags

NGSS.MS-ESS2-1

Where is the temperature of the mantle material greater, at point A or point B?

• Point A

• Point B

Tags

NGSS.MS-ESS2-1

NGSS.MS-PS3-4

What causes convection current in the Earth?

• The uneven heating on each layer inside the Earth.

• The crusts outer layer.

• The temperatures we feel outside.

What is the force that causes continents to move?

• conduction

• convection

• radiation

• conveyor belts

Tags

NGSS.MS-ESS2-3

At the Mid-Ocean Ridge and active volcanoes you can find:

• fault lines

• earthquakes

• older crust

• newest crust

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

In the process of convection, energy is transferred _________.

• because of temperature differences in a solid

• because of density differences in a liquid

• by the diffusion of molecules throughout a fluid

• by the vibration of molecules

Tags

NGSS.MS-PS1-4

What processes causes the lithospheric plates move?

• mountain building

• earthquakes

• convection currents

• water cycle

• subduction zones

Tags

NGSS.MS-ESS2-3

Scientists think that convection currents flow in Earth’s ____.

• continents

• mantle

• lithosphere

• inner core

What is the primary mechanism driving mantle convection in the Earth?

• Heat from the Earth's core

• Solar radiation

• Tidal forces

• Magnetic fields

Tags

NGSS.HS-ESS2-3