Plate Boundaries

7. Where two tectonic plates move towards each other, often forming mountains.
9. The deepest ocean trench. It was formed by subduction.
11. An example of a mountain range that was formed by an oceanic plate and a continental plate colliding.
12. A deep underwater canyon formed by subduction.
13. The rigid outer layer of the Earth. Floats on top of the asthenosphere. Also called the crust.

1. An area where one plate moves under another, creating deep ocean trenches.
2. Where two plates move away from each other, creating new crust.
3. A semi-solid layer of the Earth. Also called the mantle.
4. Where two plates slide past each other in opposite directions, causing earthquakes.
5. An underwater mountain ridge formed by two plates moving away from each other.
6. A sudden shaking of the Earth’s surface caused by plate motion.
8. An opening in the Earth’s crust where magma escapes.
10. A large, moving section of the Earth’s crust.