Across
- 2. remains of an dead animal
- 4. deep and narrow depression in seafloor
- 5. separates from one another
- 7. Continent that has 7 pieces
- 9. come together
- 10. rock formation being broken
- 11. continents were once together
- 12. when a denser plate is pushed down
- 13. where all igneous rocks are formed
- 15. mantle the transition zone and the outer core
- 16. earth's mantle creates new crust
Down
- 1. outermost level of earth
- 3. sea floor formed by plate tectonics
- 6. theory that crust is divided
- 8. Shears past one another
- 11. outermost shell of a terrestrial
- 14. solid layer in upper mantle