Across
- 3. Network of pipes that transport used water
- 5. Artificially raising the temperature of water
- 6. A continuous pattern in nature where water changes states
- 7. Unwanted substances dissolved in water
- 8. A river of ice that moves slowly downhill, formed over hundreds of years
- 10. The use of living things to remove contaminants in water
- 11. Water from precipitation that runs off roofs and other downhill objects
- 12. A geological formation of loose rocks and soil filled with groundwater
- 13. This absorbs thermal energy but does not change states
Down
- 1. When a gas becomes a solid without becoming a liquid first
- 2. Average weather conditions in a specific place over 30 years
- 4. The change of state from solid to gas
- 6. Surface of an aquifer
- 9. Measures the amount of thermal energy needed to raise the temperature of a substance
- 10. Also known as sewage