Across
- 3. allows the boat to move
- 6. blue, vast and must be respected
- 7. made of synthetic materials and one of the most important polluters of climate change
- 8. we drink, we swim in it and produce it
- 9. piece of land completely surround by water
- 11. all around us and it needs our protection
Down
- 1. North-West
- 2. a little everyday action
- 4. sea creature, mammal and sings
- 5. vertical pole that holds the mainsail
- 10. at the beginning of a new day