Across
- 1. a thin lyaer of cool rock that ros on the earth's outer skin both on dry land and in the ocean
- 5. a crust and upper mantle
- 6. caused by the very hot mantle at the deepest part of the mantle
- 8. largest layer of hot rock
- 9. solid because of the pressure of nickel and iron
Down
- 1. crust made of granite 25 miles thick, brittle and not dense
- 2. so hot that the metals are all liquid
- 3. consists of rock and minerals on the earth's surface and below it
- 4. semi rigid part of the middle mantle that flows like hot asphalt under a heavy weight
- 5. a large fraction of the Earth's interior, from a depth about 400 miles to about 1800 miles.
- 7. crust made of basalt 3-5 miles thick