Across
- 1. what is broken up into plates?
- 4. largest layer of earth
- 5. crust 3-5 mi thick
- 6. the crust and upper mantle
- 8. includes crust, mantle, and core
Down
- 1. plates that come together
- 2. crust 25 mi thick
- 3. forms new crust
- 5. core composition is liquid nickel and iron
- 6. mantle both solid and liquid composition
- 7. mantle mostly solid rock