Across
- 2. Molten rock beneath Earth’s surface.
- 5. One plate sinking beneath another into the mantle.
- 7. Ancient supercontinent that split into today’s continents.
- 8. Deep ocean valley formed at subduction zones.
- 9. Plates sliding past each other, causing earthquakes.
- 11. Rigid outer shell of Earth, broken into plates.
- 12. Plates moving apart, creating new crust.
- 15. Heat-driven circulation in the mantle that powers plate motion.
Down
- 1. Underwater mountain chain formed at divergent boundaries.
- 3. Softer layer beneath lithosphere that allows plate movement.
- 4. Plates colliding, forming mountains or subduction zones.
- 6. Crack in Earth’s crust where movement occurs.
- 10. Sudden shaking caused by plate movement.
- 13. Opening where magma erupts onto the surface.
- 14. Large slabs of lithosphere that move across Earth’s surface.