Zusammenfassung der Ressource
Water on Our PLanet
- 1. Properties of Water
- Colourless
- Odourless
- Tasteless
- 2. States of Water
- Liquid
- Solid
- Gas
- 3. The Changing states of Water
- Melting
- Evaporation
- Condensation
- Freezing
- 4. Water in Nature
- Freshwater
- Saltwater
- Groundwater
- Snow & ice
- 5. The Natural Water Cycle
- Evaporation
- Condensation
- Precipitation
- Collection
- 6. The Urban Water Cycle
- Water treatment
- Water distribution
- Urban water use
- Wastewater treatment
- Wastewater reuse
- 7. Water and Humans
- Drinking water
- Contaminated water
- Saving water
- Water power