Across
- 2. makes up 84%of the earth
- 4. core outer most layer of the earth
- 7. core inner most layer of the earth
- 8. this layer is about 6 to 43 miles thick
- 9. there are four of these and they are all in the earth
- 10. it is thinner, denser, younger, and of different chemical composition
Down
- 1. boundary between the North American Plate and the Pacific Plate
- 3. this layer we walk on
- 5. These waves can also help to determine the depths of layers of molten and semi-molten rock
- 6. liquid lava