Across
- 2. Ice samples. Ice shelf ....
- 4. In the light.
- 7. Very big.
- 10. What chemicals can do.
- 11. Shining light.
- 12. Close inspection.
- 14. At the bottom.
- 16. Ice floating on water.
- 17. Can not see through.
Down
- 1. Cracks can ..... light.
- 3. Not real. Optical ...
- 5. Not regular.
- 6. Breaking down.
- 8. Turned to ice
- 9. Disappeared into water.
- 11. Heap of stones
- 13. Alone
- 15. Sea action near land.