Across
- 2. the thin, white layer of ice that forms when the air temperature is below the freezing point of water especially outside at night
- 7. a gas with no smell or colour, often used as a fuel
- 8. a flash of lightning that looks like a white line against the sky
- 10. slightly wet
- 11. an ice-shaped spear of ice formed when hyper-salinated water [brine] descends from newly-formed sea ice on the surface towards the sea bed floor
- 14. towards or onto land from an area of water
- 15. the fact of light or sound being caused to change direction or to separate when it travels through water, glass, etc.
- 17. a natural appearance of coloured light in the sky, that is usually seen in the latitudes (= parts of earth) nearest the Arctic or Antarctic
- 18. (especially of moving objects) to hit something violently
Down
- 1. (of living organisms) emitting light
- 3. the smallest unit of any chemical element, consisting of a positive nucleus surrounded by negative electrons
- 4. the position north or south of the equator measured from 0° to 90°
- 5. the translation of 'lensvormig'
- 6. burning easily
- 9. an extremely small piece of matter
- 12. synonym of 'electrical storm'
- 13. an arch (= curved shape) of different colours seen in the sky when rain is falling and the sun is shining
- 16. very small plants and animals that float on the surface of the sea and on which other sea animals feed