Across
- 1. mountains mountains that form when material from inside the earth reaches the surface
- 5. boundaries where edges of plates meet
- 7. the spot on the earth's surface directly above the focus of the earthquake
- 9. current a process in which warm material rises and cold material sinks to take its place
- 10. boundary where plates slide past each other
Down
- 2. boundary where plates collide
- 3. large cracks in the earth's crust
- 4. waves waves in the earth from an earthquake that go out in all directions like ripples on a pond
- 6. the movement of one plate under another
- 8. boundary where plates move away from each other