Layers of the Earth - NOTES

Multiple Choice

Which of the following statements is true about the layers of the Earth?

• The Earth is composed of four main layers: Crust, Mantle, Outer Core, and Inner Core.

• Temperature and pressure decrease as you move toward the center of the Earth.

• All layers of the Earth are solid and do not flow like liquids.

• The layers of the Earth are made up of the same elements and have the same densities.

Multiple Choice

Which of the following statements about the Earth's crust is correct?

• It is the thickest layer of the Earth.

• It is composed mainly of magnesium and iron.

• It is the outermost layer where life exists.

• It is a liquid layer.

Multiple Choice

What is the temperature range of the Earth's mantle?

• 500 to 4,000 degrees Celsius

• 1,250 to 6,000 degrees Celsius

• 4,000 to 5,000 degrees Celsius

• 5 to 50 degrees Celsius

Multiple Choice

Which layer of the Earth is the thickest?

• Crust

• Mantle

• Outer Core

• Inner Core

Multiple Choice

As you move toward the center of the Earth, what happens to temperature and pressure?

• Both temperature and pressure decrease

• Temperature increases, pressure decreases

• Both temperature and pressure increase

• Temperature decreases, pressure increases

Hotspot

Which point is the outer core?

Open Ended

Reflecting on what you learned about the layers of the Earth, which layer do you find most interesting and why?