Across
- 2. A shore of a sea or ocean
- 5. Bands of light caused by charged solar particles
- 6. A ridge of sand created by the wind
- 8. Regions of earth where living organisms exist
- 10. Solid unweathered rock beneath surface deposits of soil
- 11. Produced by the action of fire or intense heat
- 13. Half of a sphere
- 16. Relating to ocean depths 2000-5000 meters
- 17. Characterised by energetic movement
- 18. A large crater caused by the violent explosion of a volcano
- 19. A rudaceous rock consisting of sharp fragments embedded in clay or sand
Down
- 1. A large smooth mass of rock detached from a place of origin
- 3. A large cave
- 4. Large mass of intrusive igneous rock believed to have solidified deep within the earth
- 6. Remains of something that has been destroyed
- 7. Erosion by friction
- 9. Vibration from underground movement along a fault plane
- 12. Worn away as by water or ice or wind
- 14. A point on the Earths surface directly above an earthquake
- 15. The outermost atmospheric layer