Earth's Layers

Which layer is # 20.

• A: Mesosphere

• B: Lithosphere

• C: Asthenosphere

As we travel deeper into the Earth which of the following is true:

• Pressure goes up and temperature goes down

• Pressure goes down and temperature goes up

• Both pressure and temperature go up

• Both pressure and temperature go down

This layer of the mantle is made up of the outer part of the mantle and the crust.

• a. Mesosphere

• b. Lithosphere

• c. Asthenosphere

This layer of the mantle is made up of a weak or soft part of the mantle where rocks flow like a thick liquid.

• a. Mesosphere

• b. Lithosphere

• c. Asthenosphere

Which of the following statements is an opinion about the mantle?

• it makes up the bulk of the Earth’s mass

• heat churns through it

• it is the most important layer of the Earth

This layer of the mantle is made up strong lower part of mantle.

• a. Mesosphere

• b. Lithosphere

• c. Asthenosphere

Which layer of Earth is located above the outer core?

• crust

• inner core

• mantle

• lithosphere

Which of these two layers is a solid?

• innercore

• Outercore

What is the rigid layer of the Earth's surface made up of the  crust and upper mantle called?

• asthenosphere

• lithosphere

• mesosphere

• continental crust

Which layer of Earth is characterized by rock that is plastic, or soft enough to flow?

• asthenosphere

• crust

• lithosphere

• inner core