Across
- 4. ridge huge underwater mountain range
- 9. layer of hot, soft rock in the upper mantle
- 10. plates large and small slabs of rock that makes up the lithosphere.
- 11. ball of hot, solid materials
Down
- 1. Earth's thickest layer
- 2. one plate sinking beneath another
- 3. transfer of heat within a material
- 5. liquid metals that surround the
- 6. Earth's crust and the very top of the mantle combined
- 7. huge supercontinent
- 8. when two plates push together