Across
- 2. the outer layer of the Earth
- 6. number of major plates
- 7. made up of the crust and upper part of the mantle
- 8. there is an inner and outer one of these
Down
- 1. two plates slide past each other
- 3. two plates slide towards each other
- 4. contains semi-molten magma
- 5. two plates move away from each other