Across
- 3. Boundary where plates collide
- 4. Melted rock found below Earth’s surface
- 6. Center of an earthquake underground
- 8. Rock type formed from cooling magma or lava
- 10. Cycle Cycle that creates, changes, and destroys rocks
- 11. Opening of a volcano where gas/ash escape
- 15. Solid outermost layer of the Earth
- 16. Boundary where plates slide past one another
- 18. Layer of Earth where convection currents happen
- 19. Supercontinent that existed millions of years ago
- 20. of Fire Major volcanic zone around the Pacific
- 21. Scientist who proposed continental drift
Down
- 1. Boundary where plates move apart
- 2. Rocks formed by heat and pressure
- 5. Evidence found on different continents showing plates once connected
- 7. Small pieces of broken rock
- 9. Sudden shaking of Earth’s crust
- 12. Point on Earth’s surface directly above the focus
- 13. Thick layer of Earth beneath the crust
- 14. Volcano that is not erupting but may someday
- 17. Melted rock found on Earth’s surface
- 19. Massive slabs of the lithosphere