Across
- 4. Process where one plate sinks beneath another
- 5. Molten rock beneath Earth’s surface
- 6. Crack in Earth’s crust where movement occurs
- 7. Boundary Place where tectonic plates move toward each other
- 10. Movement of heat in the mantle driving plate motion
- 14. Large rigid section of the Earth’s lithosphere
- 16. Ancient supercontinent that existed millions of years ago
- 17. Boundary Place where tectonic plates slide past each other
- 18. Deep valley formed at subduction zones
- 19. The study of plate movement and Earth’s structure
- 20. Elevated area formed at divergent boundaries
Down
- 1. Rigid outer layer broken into tectonic plates
- 2. Partially molten layer where plates move
- 3. Sudden shaking caused by movement of plates
- 8. Plume of hot mantle forming volcanoes away from boundaries
- 9. Building Formation of mountains by plate collision
- 11. Opening where magma, ash, and gases erupt
- 12. Boundary Place where tectonic plates move away from each other
- 13. Spreading Creation of new oceanic crust at mid-ocean ridges
- 15. Valley Long depression formed when plates pull apart