Layers of Earth & Plate Tectonics Review

Temperature and pressure ___ as you move towards the center of the Earth.

• decrease

• increase

• neither answer is correct.

Tags

NGSS.MS-PS1-4

The crust and upper portion of the mantle are called the

• asthenosphere.

• lithosphere.

Convection currents occur here. Choose ALL correct answers.

• Asthenosphere

• Lithosphere

• Crust

• Outer Core

• Inner Core

The thinnest layer of the Earth is the ___________.

• mantle

• crust

• core

Tectonic plates are made up of continental crust and ________ crust.

• continental
• oceanic
• plates
• mantle

Tags

NGSS.MS-ESS2-1

What is the core made of?

• steel

• iron

• aluminum

• iron and nickel

Tags

NGSS.MS-ESS2-1

Why is the inner core solid?

• its unknown

• what it's made of

• the pressure

• it is colder than the outer core

Tags

NGSS.HS-ESS2-1

What is the correct order (starting from the surface) of Earth's layers?

• crust, outer core, inner core, asthenosphere, mantle, lithosphere

• asthenosphere, mesosphere, lithosphere, outer core, inner core, crust

• crust, lithosphere, asthenosphere, mesosphere, outer core, inner core

• inner core, outer core, mesosphere, asthenosphere, lithosphere, crust

What layer is a semisolid and acts like a thick liquidy plastic?

• Lithosphere

• Mantle

• Asthenosphere

• crust

What happens to pressure as we move from the crust to the inner core?

• Pressure Decreases

• Pressure Increases

• Nothing