Dynamic Earth

What is a convection current?

• the transfer of energy by direct contact.

• the transfer of energy by the movement of matter

• the transfer of energy through a solid, such as Earth's crust

• the transfer of energy from a region of lower temperature to a region of higher temperature.

Tags

NGSS.MS-ESS2-1

Which of the following occurs because of convection current?

• Tectonic plates on the crust move.

• Pressure in the crust increases.

• The mantle increases in size.

• Pressure in the crust decreases.

Tags

NGSS.MS-ESS2-2

True or False: Because we rarely witness dramatic changes to the Earth, we can conclude that the Earth is not changing very much.

• True

• False

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-2

What happens to magma that is heated by the core?

• It rises.

• It sinks.

• Plate Tectonics

• It becomes part of the inner core.

Tags

NGSS.MS-ESS2-2

Which earth layer is #3? ONLY liquid layer

• Crust

• Mantle

• Outer core

• Inner core

As you travel from the crust to the core, how would temperature, pressure and density of the material change?

• They would all increase

• They would all decrease.

• Nothing, the layers are made of the same material throughout

• Temperature would decrease, but pressure and density would increase

What is the inner most layer of the Earth?

• Crust

• Lithosphere

• Asthenosphere

• Outer Core

• Inner core

Tags

NGSS.MS-ESS2-1

Name That Boundary

• Convergent

• Divergent

• Transform

Tags

NGSS.MS-ESS2-3

LT # 1: The lithosphere is broken up into pieces called...

• puzzles

• asthenosphere

• Alfred Wegener

• tectonic plates

The lithosphere is broken up into pieces called...

• puzzles

• asthenosphere

• Alfred Wegener

• tectonic plates