Across
- 2. Plates coming together
- 4. The process of rising and falling magma, moving the plates
- 6. The semi-liquid rock uder the earth's crust
- 7. The layer of the crust made of plates
- 8. Plates moving away from each other
Down
- 1. Made of mostly basalt and up to 7 km wide
- 2. Made of mostly granite and up to 50 km wide
- 3. The upper layer of the mantle made of a consistency of molten plastic
- 5. Plates sliding across each other