Across
- 2. The process of new oceanic crust from upward movement of magma
- 3. Fast and often unexpected movement of Earth's crust from a release of energy
- 5. Theory that lithosphere is divided into plates
- 7. Where molten material from the mantle reaches the lithosphere
- 10. Rock formed right from magma
- 11. Crack that is in cooling rock
- 12. Layer of Earth composed of semi-molten rock
- 14. The outermost layer of the lithosphere
- 16. Plate boundary where tectonic plates move towards each other
- 18. Landform that ejects molten lava
- 19. Type of rock that forms from cooled magma underground
- 20. Outermost layer of Earth
- 22. Activity the level of and amount of Earthquakes in a period of time
- 23. The constant formation, change and destruction of rock material
- 24. Process of one crustal plate passing under another
- 25. Plate boundary where tectonic plates move away from each other
Down
- 1. Layer of Earth that contains magma
- 3. Type of rock that forms from cooled magma above ground
- 4. Fracture in rock from movement of Earth's crust
- 6. Molten rock
- 8. Plate boundary where tectonic plates move sideways past each other
- 9. Zone of Earth's interior composed mostly of iron and nickel
- 13. Base-10 logarithmic scale measuring Earthquake intensity
- 15. Processes that make and break down lithosphere
- 17. Waves caused from seismic activity underseas
- 21. Point on Earth's surface above the location where the rock ruptures in Earthquake