1.
A sudden shaking of the ground caused by movement of tectonic plates.
2.
A crack in Earth’s crust where rocks move past each other.
3.
Melted rock found beneath Earth’s surface.
4.
Magma that reaches the surface during a volcanic eruption.
5.
A mountain formed when magma, ash, and gases erupt.
6.
An underwater mountain chain formed by diverging tectonic plates.
7.
A measure of the energy released during an earthquake.
8.
A tectonic plate that collides with the Eurasian Plate to form the Himalayas.
9.
A tectonic plate that includes Australia and surrounding ocean floor.
10.
A small tectonic plate located near Indonesia.
11.
A small tectonic plate in Southeast Asia, near Myanmar.
12.
A plate boundary where two plates slide past each other.
13.
A plate boundary where two plates move apart.
14.
A plate boundary where two plates move toward each other.
15.
The process of one plate sinking beneath another into the mantle.
16.
The thick part of Earth’s crust that forms the continents.
17.
A small plate off the coast of the Pacific Northwest that subducts under North America.
18.
The soft layer of the mantle on which tectonic plates move.
19.
An ancient mountain range in the eastern United States.
20.
An ancient mountain range in Europe formed by past plate collisions.
