Across
- 6. Ice formed by falling snow
- 8. Not an island but rises from the ocean seafloor
- 9. Mountains that erupt with lava
- 12. A variety of different organisms in an area
- 13. Beavers make______
- 15. What are waves caused by?
- 17. A place between the US and Canada that is known for three waterfalls
- 19. A green a low-lying wetland that is usually covered by water. Where does Shrek live?
- 20. A laundry detergent brand
- 21. The motion of water
Down
- 1. The Titanic was struck by an______
- 2. Land that filters and cleans freshwater
- 3. There are five great _______ of North America
- 4. Japanese word for a big wave is__________
- 5. When liquid changes to water vapour , it is called_________
- 7. Fish that eat dead animals and plants in the water are called_______
- 10. An area of low lying ground beside a river
- 11. The surface of science water
- 12. The ______ ______ is a located between Jordan and Israel
- 14. A natural low point or hole in the ground
- 16. A white crystal substance that is used for seasoning and preserving food
- 18. An underwater volcano