Across
- 2. A flat, narrow land with steep sides after the crust split in half
- 6. Opening in the crust where magma, ash, and gases escape from inside
- 7. New oceanic crust formed in the middle pushing old oceanic crust away.
- 9. When Somali plate pull apart from Nubian plate
Down
- 1. A chain of underwater mountains
- 3. When North American plate pull apart from Eurasian plate
- 4. Sudden shaking of the crust caused by the rapid release of energy
- 5. A tectonic plate push into another tectonic plate
- 8. A tectonic plate pull apart from another tectonic plate