Across
- 3. Break or gap in rock
- 6. A long line of mountains
- 8. Boundary where plate(s) collide/subduct
- 9. Where old crust is recycled inside Earth
Down
- 1. Boundary where plates divide
- 2. Forms from transform plate boundaries
- 4. Molten rock
- 5. Boundary where plates grind
- 6. Where new crust enters the seafloor
- 7. Occurs when plates grind