Across
- 2. tectonic plates moving away
- 4. plates slide past each other
- 7. outermost layer of a planet
- 8. fluid layer
- 9. breaking down of rocks
- 10. the gradual destruction of something
Down
- 1. a layer inside a terrestrial planet
- 3. a solid ball
- 5. tectonic plates collide
- 6. soil and rocks are added to a landform or land mass