Across
- 3. Group of organisms of the same species that live in a particular area
- 5. Average weather measured over a long period of time
- 11. In water, circular movement of water particles that causes a change in pattern that moves along the water’s surface
- 12. Characteristics used to describe a stream or river
- 13. Stream of water that moves within a larger body of water
- 14. Eroded rock fragments and soil carried by water or wind
- 15. Physical characteristics or behaviour of a species that increases the species chances of survival in a particular environment
- 16. Technique for separating solutions that involves boiling and condensation
- 17. Water containing a high concentration of calcium and magnesium
Down
- 1. Water that is safe for humans to drink
- 2. Observe, check, or keep track of something for a specific purpose
- 4. Movement of water through a membrane from an area of lower water concentration to one of higher water concentration; Technique for purifying water
- 6. Area of land that drains into one main lake or river
- 7. Large moving body of ice
- 8. Description of the variety of different species in an ecosystem
- 9. Highest point of land on a continent
- 10. Amount of dissolved salts in water
- 18. Daily change in water level of the oceans