Layers of the Earth

Open Ended

What are the 4 main layers of the Earth?

Multiple Choice

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

• decrease

• increase

• neither answer is correct.

Multiple Choice

Which of the following is the correct order of the Earth's layers moving inward to the center.

• Crust

  Mantle

  Inner Core

  Outer Core

• Mantle

  Outer Core

  Inner Core

  Crust

• Inner Core

  Outer Core

  Crust

  Mantle

• Outer Core

  Inner Core

  Mantle

  Crust

Open Ended

What are the two types of crust?

Multiple Choice

The mantle makes up nearly ___ of Earth's mass.

• $$\frac{1}{3}$$  

• $$\frac{1}{4}$$  

• $$\frac{1}{2}$$  

• $$\frac{2}{3}$$  

Fill in the Blank

The outer core is

not solid.

Fill in the Blank

The inner core is solid because of

pressure.

Open Ended

What do scientist use to study the crust?

Open Ended

What causes the Earth's magnetic field?

Multiple Choice

The crust and upper portion of the mantle are called the

• asthenosphere.

• lithosphere.

Multiple Choice

This is the portion of the Earth's mantle where convection occurs.

• Asthenosphere

• Lithosphere