Across
- 2. Sliding boundary
- 4. A concentration of heat which can cause magma to ooze through a plate
- 7. A mountain range forms on this ridge where two plates move apart
- 9. A boundary in which two plates move together
- 12. A boundary in which two plate move apart
Down
- 1. The rigid outer layer that drifts
- 3. The middle part of the mantle that flows
- 5. formed at convergent boundaries when magma is forced up from the mantle
- 6. The supercontinent that formed 200 mya
- 8. Occurs when the magnetic poles reversed
- 9. The circular movement from uneven heating
- 10. A valley formed at a divergent continental-continental boundary
- 11. An elongated depression in the sea floor formed in subduction