Plate Tectonics
Across
- 2. Secondary waves
- 5. The outer portion of the mantle
- 8. One plate sinks under the other
Down
- 1. Primary waves
- 3. Rock layers are bent or curved
- 4. eruption The giving off of gases
- 6. plate Moves earths solid surface
- 7. The sudden release of energy in earths crust
- 9. Forms mountains
- 10. trench Long depression that wraps the crust