Convection Currents in the Mantle

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

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

• the Crust

• the Mantle

• the Core

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

Name the type of heat transfer shown in the picture.

• convection

• conduction

• radiation

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Convection in the _______ helps move pieces of the lithosphere around.

• crust

• outer core

• mantle

• inner core

Tags

NGSS.MS-ESS2-3

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

SES2.a

DOK 1

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

4

2

3

1

Tags

NGSS.MS-ESS2-1

NGSS.MS-PS1-4

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

• Subduction

• Plate Tectonics

• Seafloor Spreading

• Conduction

Tags

NGSS.MS-ESS2-1

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-ESS2-1

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