Movement of Earth's Crust

What is the layer directly above the outer core called?

What is the point on Earth's surface directly above where an earthquake started?

Many earthquakes occur in California because there is a ____________ boundary there.

A mountain that forms around an opening in Earth's crust from molten rock is...

Why is the core solid even though the temperature is so hot?

What is the scale that measures the amount of earthquake energy?

An earthquake wave that makes the ground roll and sway is called a ____________.

Scientists predict that Earth's continents will be in different places in thousands of years.

What is the thinnest layer of Earth?

What forms where two plates move apart?

What is the up and down, slower wave in Earth's crust called?

What is the zone of partially melted rock in the upper mantle called?

What is a chain of mountains through the oceans called?

What is the push-pull or back-forth wave caused by earthquakes?

What layer includes crust and upper mantle?

What is the innermost layer of Earth?

What is a sudden movement of rocks in Earth's crust called?

Earth's plates are named by

Plates grind past each other along a ______ boundary.

The point in Earth's crust where an earthquake starts is __________.

Plates collide at a __________ boundary.