Across
- 5. process of water changing from liquid to gas, called vapor, usually by the heat from the sun
- 9. possible available drinking water
- 11. process of water changing from vapor (such as in clouds) to liquid water, when the atmosphere cools it down
- 12. the relationship between the mass and the volume of something
- 13. the area of land that drains water into a receiving area such as a river, a lake, or an ocean
Down
- 1. plants and animals that offer clues to the health of a watershed
- 2. a weak bond between a slightly positive hydrogen atom in one water molecule with a slightly negative oxygen in another water molecule.
- 3. the addition of harmful substances directly or indirectly to water
- 4. process of water falling from the sky to the ground in the form of rain or snow
- 6. bonds between atoms form when negative electrons are shared
- 7. the movement of water through land, bodies of water (rivers, lakes, oceans), and the atmosphere; the cycle consists of three major processes – evaporation, condensation, precipitation – and other processes, such as run-off and transpiration
- 8. water that moves and is absorbed below the surface of Earth
- 10. soil destruction