Across
- 4. a short article giving a description of a person or organisation
- 5. caused by fertilizers
- 6. any of several seismically active submarine mountain ranges that extend through the Atlantic, Indian, and South Pacific oceans: each is hypothesised to be the locus of seafloor spreading
- 7. formed when large chunks of ice left behind by a glacier melted away
- 8. a very rich area for both plants and animals
- 14. characteristics used to describe a stream or river; these include volume and rate of flow, slope and shape of bed
- 19. water that moves underground
- 22. the rigid outer part of the earth, consisting of the crust and under mantle
- 24. group of organisms of the same species that live in a particular area
- 26. measure of the amount of substances besides water in a water sample; description of how pure a water sample is
- 27. in water, circular movement of water particles that cause a change in pattern that moves along the waters surface; the pattern can move over long distances but the water particles can not
- 28. a curving chain of active volcanoes formed above a seductive zone and adjacent to a convergent plate boundary
- 29. a submarine e mountain
- 31. eroded rock fragments a soil carried by water or wind
- 32. the part of the ocean where there is a lot of water movement
- 33. observe, check, or keep track of something for a specific purpose
- 35. movement of water through a membrane from an area of lower water concentration to one of higher concentration; technique used for purifying water
- 38. daily change in water levels on the ocean
- 39. small hills with distinctive torpedo shape with the tip pointing in the direction that the glacier is moving
Down
- 1. the deepest parts of the ocean
- 2. description of the variety of different species in an ecosystem; may also be used to describe variety in a population or species
- 3. a covering of ice over a large area, especially on the polar region of the planet
- 4. water that is safe for a human to drink
- 9. uses in home
- 10. a glacier usually originating in a cirque at a valley head or in a plateau ice cap and flowing downward between the walls of a valley
- 11. conveyed by, traveling on, or involving transportation or travel on water,
- 12. technique for separating solutions that involves boiling and concentration
- 13. form from rocks and gravel that build up along the sides and the end of the glacier
- 14. water in or taken from the sea
- 15. highest point of land on a continent; rivers flow into different oceans depending on which side of the divide they start on
- 16. physical characteristics or behaviour of a species that increases the species chances of survival in a particular environment
- 17. average weather measured over a long period of time
- 18. the amount of water-borne material that rivers carry
- 20. freshwater for streams mixes with the salt water of the ocean
- 21. water containing high concentration of calcium and magnesium
- 23. form when parts of a glacier melt and flow in tunnels under the ice in the pattern of a winding river
- 25. large moving body of ice; glaciers can be many metres or even kilometers thick
- 30. diffusion or water through a selectively permeable membrane
- 34. an area of stretch of land having a particular characteristics, purpose, or use, or subject to particular restrictions
- 36. a biological community if interacting organisms and their physical environment
- 37. amount of dissolved salts in water