Across
- 2. the thickest layer of the Earth
- 5. a layer of the Earth that includes the Crust and the Upper Mantle
- 7. the only liquid layer of the Earth
Down
- 1. the solid part of the Mantle that is made up of tectonic plates
- 3. the semi-liquid layer of the Earth
- 4. the upper-most layer of the Earth that all life lives on
- 6. the solid innermost layer of the Earth