Across
- 2. Region around the Pacific Ocean with many volcanoes and earthquakes
- 5. Area where magma rises and forms volcanoes away from plate boundaries
- 8. Curved chain of volcanic islands formed above a subduction zone
- 9. Opening in Earth’s surface where magma, ash, and gases escape
- 10. Process where new oceanic crust forms as plates move apart
- 12. Large piece of Earth’s lithosphere that moves slowly
- 14. Location where two tectonic plates meet
- 17. Shape and features of Earth’s surface
- 18. Deep valley on the ocean floor formed by subduction
- 19. Molten rock beneath Earth’s surface
- 21. Boundary where two plates move toward each other
- 25. Process where a denser plate sinks beneath a less dense plate
- 26. Long depression formed where plates pull apart on land
Down
- 1. Boundary where two plates slide past one another
- 3. Underwater mountain range formed by seafloor spreading
- 4. Fault where rocks slide past each other horizontally
- 6. Break in Earth’s crust where rocks move
- 7. Line on a map that connects points of equal elevation
- 11. Boundary where two plates move away from each other
- 13. Fault formed by tension where rocks move apart
- 15. Theory that Earth’s surface is broken into moving plates
- 16. Molten rock that reaches Earth’s surface
- 20. Convergent boundary where two continental plates collide
- 22. Fault formed by compression where rocks are pushed together
- 23. Shaking of Earth caused by sudden movement along a fault
- 24. Group of connected mountains formed by plate movement