1. Water in its solid state is approximately 9% lighter than water in its liquid state.
2. 97% of the Earth's water is found in the oceans or seas.
3. Approximately 80% of the Earth's surface is water.
4. The 2% of water is frozen and therefore unusable.
5. One liter of water weighs 1 kilogram.
6. 10ºC is 293ºk (kelvin degrees).
7. 2,000 del. is 200 liters of water.
8. The density of water is measured in kg/m3.
9. The density of water is 1kg/cm3.
10. The use of household appliances accounts for more than 20% of the water consumed daily in the home.
11. Flushing the toilet uses approximately 10 liters of water.
12. If you take a bath in a bathtub you can use 500 liters.
13. 1% of the water present on Earth is available for drinking.
14. By replacing toilet flushing mechanisms, a family of four could reduce water consumption by 4,000, 40,000 or 400,000 liters per year.
