Across
- 4. water that is safe for umans to drink
- 5. physical characteristic or behaviour of a species that increases the species' chances of survival in a particular environment
- 6. highest point of land on a continent
- 8. group of organisms of the same species that live in a particular area
- 9. large moving body of ice
- 11. characteristics used to describe a stream or river
- 12. sometimes discharge warm water into lakes or rivers
- 15. deposition is the geological process in which sediments, soil and rocks are added to a landform or land mass
- 17. technique for seperating solutions that involves boiling and condensation
- 19. observe, check, or keep track of something for a specific purpose
- 21. Turbidity is the cloudiness or haziness of a fluid caused by large numbers of individual particles that are generally invisible to the naked eye
- 22. contains large amounts of oil and other chemicals, including salt
- 23. eroded rock fragments and soil carried by water or wind
- 24. description of the variety of different species in an ecosystem
Down
- 1. daily change in water level of the oceans
- 2. water containing a high concentration of calcium and magnesium
- 3. takes away the places that animals can live and plants can grow
- 6. average weather measured over a long period of time
- 7. movement of water through a membrane from an area of lower water concentration to one of higher water concentration
- 10. stream of water that moves within a larger body of water
- 13. can harm animals in, on, and near the water
- 14. might add dangerous chemicals to the water or practise thermal pollution
- 16. measure of the amount of substances besides water in a water sample
- 18. amount of dissolved salts in water
- 20. is the action of surface processes(such as water flow or wind) that remove soil, rock, or dissolved material from one location on the Earth's crust, then transport it away to another location.
- 25. contains large amounts of nitrogen