Across
- 4. The place where one plate is getting bent and pulled under the edge of another plate
- 5. Raised area or mountain range under the oceans
- 9. Process that forms new ocean floor and oceanic crust
- 11. Several large slabs of the lithosphere
- 13. Hard and rigid, the earth's outermost and thinnest layer
- 14. Two plates slide against each other
- 17. A German scientist
- 18. Trench long, narrow, deep area on the ocean floor that is formed at a convergent plate boundary
- 20. A convergent plate boundary where continents are colliding together and creating mountains.
Down
- 1. Solid outer part of Earth
- 2. Also known as spreading boundary
- 3. Occurs where two land masses on plates are pushed together
- 6. Trembling and shaking of the earth's surface
- 7. Two tectonic plates grind past each other in a horizontal direction
- 8. Very hot rock rises from the mantle and erupts through Earth’s crust
- 10. Layer of solid and melted rock
- 12. Huge ocean wave caused by a sudden, powerful shift on the ocean floor
- 15. Dropped zone where two tectonic plates are pulling apart
- 16. Existed more than 225 million years ago
- 19. A string of volcanoes and earthquakes