Across
- 2. the pattern that can move over long distances but the water particles do not
- 6. water that is safe for humans to drink
- 7. measure of the amount of substances besides water in a water sample
- 8. large moving body of ice
- 12. water containing a high concentration of calcium and magnesium
- 14. average weather measured over a long period of time
- 15. group of organisms of the same species that live in a particular area
- 16. highest point of land on a continent; rivers flow into different oceans depending on which side of the divide they start
- 17. daily change in water level of the oceans
- 18. observe, check, or keep track of something for a specific purpose
Down
- 1. area of land that drains into one main lake or river
- 3. description of the variety of different species in an ecosystem
- 4. physical characteristic or behaviour of a species that increases the species’ chances of survival in a particular environment
- 5. characteristics used to describe a stream or river
- 9. technique for separating solutions that involves boiling and condensation
- 10. technique used for purifying water
- 11. amount of dissolved salts in water
- 13. eroded rock fragments and soil carried by water or wind
- 14. stream of water that moves within a larger body of water