Across
- 2. the middle most part of the earth
- 5. the outer part of the core
- 6. the inner part of the earth
- 7. transform boundaries
- 8. study of earth
- 10. wegener invented this theory
Down
- 1. inner part of the core
- 3. plate going under another
- 4. hess invented this theory
- 9. plates on earth