Across
- 5. Observe, check or keep track of something for a particular purpose
- 6. Water that has a high concentration of minerals like calcium and magnesium.
- 9. The lowest level of water reaching the shore.
- 12. Water can exist in these three forms.
- 15. variety of different kinds of species living in a habitat
- 17. When water sits on cracks and holes of the rock while gradually dissolving more and more of the rock.
- 18. The location of the highest land in the continent which determines the direction watershed drains.
- 21. Populations that take place over a short time
- 23. Streams of water that move within a larger body of water.
- 25. this filters the salt water by making it go through a filter or a membrane that with holes too small for the salt to pass through.
- 26. A group of organisms that live in a particular area
- 27. All the areas of the land that drains into a lake or a river.
Down
- 1. a huge moving body of ice.
- 2. This is what describes how pure the water can be.
- 3. The rate of water flow and the stream’s bed.
- 4. Troops that are trained to serve on lad or the sea
- 7. A physical characteristic or behavior of a species.
- 8. The highest level of water is reaching the shore.
- 10. The transporting of rock fragments and soil.
- 11. An equipment that can create pure water from water that can contain other minerals.
- 13. The total amount of salts dissolved in water.
- 14. The average weather measured over a long period of time.
- 16. The solid outer part of the earth.
- 19. Population that result from natural causes or human activity
- 20. Movements on the surface of the water.
- 22. Water that is drinkable.
- 24. Regular falling and rising of very large bodies of water.