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