Layers of the Earth Remediation

Open Ended

Explain why the outer core is liquid (molten) but the inner core is solid.

Answer in complete sentences.

Categorize

Options (6)

Outer Core

Crust

Upper Mantle

Asthenosphere

Inner Core

Lower Mantle

Sort the layers by their state of matter.

Solid

Liquid

Fill in the Blanks

Sam is creating a computer model to present to his classmates so they can compare the properties of each layer of Earth.

Choose the words or phrases that correctly complete the sentence: The (outer core / inner core / mantle / crust) should be the thickest layer of Sam's model, and the (inner core / crust / mantle / outer core) should be the thinnest layer.

Multiple Choice

Which of the following is the correct difference between the oceanic and the continental crust?

• The oceanic crust is thicker and less dense

• The continential crust it thicker and more dense

• The oceanic crust is thinner but is more dense.

• The contiential crust is thinner and less dense.

Multiple Choice

Mr. Mills compared continental crust to ocean crust and saw that they had differences, which helped him to understand how they behave. Choose the correct graphic organizer that correctly describes ocean crust and continental crust.

• A

• B

• C

Multiple Choice

What is the lithosphere composed of?

• Crust and upper mantle

• Core and mantle

• Mantle and asthenosphere

• Crust and core

Multiple Choice

What is the primary characteristic of the asthenosphere compared to the lithosphere?

• It is cooler than the lithosphere

• It is more rigid than the lithosphere

• It is hotter and more flexible than the lithosphere

• It is solid like the lithosphere

Multiple Choice

Most geologists think that the movement of Earth’s plates is caused by _______

• convection.

• continental drift.

• subduction.

• conduction.

Multiple Choice

What is the proof for the composition of Earth's core?

• Earth's gravitational pull

• Earth's magnetic field

• Earth's rotation

• Earth's orbit around the Sun

Multiple Choice

What is the role of the outer core in Earth's magnetic field?

• It is solid and does not move

• It is a very dense liquid that moves constantly

• It is responsible for Earth's rotation

• It has no effect on the magnetic field

Poll

How confident do you feel about this topic now?

• Very confident
• Somewhat confident
• Not confident