Across
- 2. Primary, moves like a slinky
- 3. Surface, most surface destruction
- 5. Right goes up, Left goes down
- 7. Left goes up, Right goes down
- 8. Tectonics theory that Earth's lithosphere is divided into several large plates
Down
- 1. Secondary, moves in right angles
- 4. Type of boundary where plates slide against each other
- 6. shaking of the Earth