Across
- 5. a super continent formed 300 million years ago
- 6. step-like fold that are horizontal
- 9. movement of fluid (magma), caused by temperature variations
- 11. arch-shaped fold that bends downward
- 13. solid, plastic layer, of mantle, beneath the lithosphere
- 14. boundary between tectonic plates that collide
- 15. arch-shaped fold that bends upward
Down
- 1. boundary between tectonic plates that slide past each other (horizontally)
- 2. boundary between tectonic plates that move away from each other
- 3. new ocean floor that rises to the surface & solidifies as a mid ocean ridge
- 4. long mountain range that has a narrow steep at the center
- 7. solid, outer layer, consists of the crust & rigid upper part of the mantle
- 8. a region with plate boundaries around the pacific ocean
- 10. region along a convergent plate boundary where a platonic plate goes under another
- 12. volcanically active area on earths surface