10 Facts about Water
1. The chemical symbol for water is H2O
2. Clouds are made from millions of tiny droplets of water, each droplet being so small and light that it can float in the air, being lifted by warm air currents rising from the ground.
3. It is essential that you drink enough water during each day as it has many important jobs to do.
4. Approximately two thirds of your body is made of water.
5. The Romans were famous for their AQUEDUCTS, which they built to carry the purer waters of springs and rivers into the city of Rome, sometimes from as far as 100km away.
6. The water you drink has been circling around in the water cycle for millions of years - that means the same water exists now as when dinosaurs were on the Earth!
7. A healthy person can drink about three gallons (48 cups) of water per day.
8. Pure water (solely hydrogen and oxygen atoms) has a neutral pH of 7, which is neither acidic nor basic.
9. By the time a person feels thirsty, his or her body has lost over 1 percent of its total water amount.
10. Without food a person can live for weeks, but without water you can expect to live only a few days.
