Across
- 2. the study of the earth and solid rock
- 3. the thickest part of the earth
- 5. am mountan that withholds lava
- 9. a plate in the lithosphere that makes movements
- 12. something that pushes rock underwater with magma
Down
- 1. when the seafloor is spreading apart by tectonics
- 4. when plates move back and forth making a rumbling in the ground
- 6. when the continents are pushed apart
- 7. scientists made this word up and is located between the crust and mantle
- 8. thinnest part of earth where we live
- 10. the part of the earth that spins in the middle of the earth
- 11. 200 million years ago when the land was connected