Convection in the Mantle

What is the heat source for convection in the mantle?

• the Crust

• the Mantle

• the Core

Where do convection currents happen in the model we are studying?

• the Crust

• the Mantle

• the Core

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-ESS2-3

Convection cycles move in the mantle. How does this affect the crust?

• crust has no motion

• crust moves in random directions

• crust moves in same direction convection cycle moves

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-2

What causes convection currents?

• Hot magma rises while cool magma sinks

• The rotation of the Earth

• Ocean currents pulling plates apart

• The spinning of the Earth's core

Tags

NGSS.MS-ESS2-1

What happens to the temperature and density of materials between point B and point C?

• material is getting colder and more dense

• material is getting hotter and less dense

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What force causes the convection cell to turn down at point C?

• pressure

• density

• temperature

• gravity

Tags

NGSS.MS-PS2-4

The diagram represents a convection current in Earth's mantle. Descriptions of the events at each of the positions are shown. Match the descriptions of the events to the numbers in the diagram.

a

b

c

d

3

1

2

4

Tags

NGSS.MS-ESS2-1

What is D indicating?

• magma

• upper mantle

• lava

• convection

Tags

NGSS.MS-ESS2-1

The process by which tectonic plates move due to the convection currents in the mantle

• Subduction

• Plate Tectonics

• Seafloor Spreading

• Conduction

Tags

NGSS.MS-ESS2-3