Fresh and Saltwater Systems
Across
- 3. water water containing a high concentration of calcium and magnesium
- 5. divide highest point of land on a continent; rivers flow into different oceans depending on which side of the divide they start
- 6. amount of dissolved salts in water
- 8. eroded rock fragments and soil carried by water or wind
- 10. stream of water that moves within a larger body or water
- 11. characteristics characteristics used to describe a stream or river; these include volume and rate of flow, slope and shape of bed
- 14. water water that is safe for humans to drink
- 15. description of the variety of different species in an ecosystem; may also be used to describe variety in a population or species.
- 16. in water, circular movement of water particles that cause a change in pattern that moves along the water’s surface; the pattern can move or long distances but the water particles do not
- 17. daily change in water level of the oceans
Down
- 1. large moving body of ice; glaciers can be many metres or even kilometres thick
- 2. physical characteristics or behavior of a species that increases the species chances of survival in a particular environment
- 4. Technique for separating solutions that involves boiling and condensation
- 7. area of land that drains into one main lake or river
- 9. osmosis, movement of water through a membrane through an area of lower water concentration to one of higher water concentration; technique used for purifying water
- 12. quality measure of the amount of substances besides water in a water sample; description of how pure a water sample is
- 13. average weather measured over a long period of time