Across
- 1. strong, metallic element
- 3. distance east or west
- 7. rotating around an axis or center.
- 8. the year's longest day
- 10. form into a hard outer layer
- 11. Earth's liquid metal layer
- 13. short for Mohorovičić
- 14. a half of a sphere.
- 15. the distance north or south
Down
- 1. the innermost layer of the Earth.
- 2. semi-solid middle layer.
- 4. Earth's imaginary line
- 5. layer beneath the lithosphere
- 6. outer part of Earth.
- 9. Earth's invisible force
- 12. move into a sloping position.