Earth's Structure Test

What is the liquid layer of Earth's core called?

The mid-ocean ridge takes place at what types of boundary?

What is the outermost layer of Earth called?

The record of _______ that the sea floor carries with it proves that the continents are moving.

What causes tectonic plates to move?

Which is the soft layer of Earth that tectonic plates float on?

Which of these did NOT provide evidence for continental drift?

What does the theory of continental drift explain?

How do scientists measure tectonic plate movement?

Which of the following is the process by which Earth's magnetic poles change places?

Pieces of Earth's lithosphere are called what?

What cools to form new rock at the mid-ocean ridge?

New crust in the ocean is a sign of?

Who proposed the idea of continental drift?

The process of taking away land occurs because of...

What largely makes up the Earth's core?

Where does seafloor spreading take place?

What scientist proved the idea of continental drift?

Which was NOT used for evidence for continental drift?

According to continental drift theory, a single, huge continent once existed called

Which of the following is used to measure tectonic plate movement?