Across
- 2. large moving bodies of ice
- 6. describes how pure the water is
- 8. movement of water through a membrane from an area of lower water concetration to one of higher water concentration
- 11. the area of land that drains into one main lake or river
- 12. highest point of the continent
- 14. composed of fine sediment particles suspended and transport through the stream
- 15. in an ecosystem means different variety of species
- 16. boiling bad salt
- 19. physical characteristics or behaviour of a species
- 20. eroded rock fragments and soil carried by water or wind
- 21. the average weather measured over a long period of time
Down
- 1. streams of water that move within a larger body of water
- 3. microscopic plants that are food for fish in the top and middle zones of most lakes
- 4. changes in pattern that move along the water surface
- 5. group of organisms that live in the same area
- 7. change in water level
- 9. characteristics used to describe a stream or river
- 10. water that is safe to drink
- 13. contains a high concentration of calcium and magnesium
- 17. one of the many ways humans use earths water supplies
- 18. observe or keep track of something
- 20. the total amount of all salts dissolved in water