Sound travels about 4 times faster in water than in air.
408
Pumice is the only rock that floats on water.
14
There is a mass reservoir of water floating in space that is 100,000 times bigger than our sun and holds 140 trillion times more water than all of our oceans.
11
Pure water (H2O) does not conduct electricity on its own.
46
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
Water is actually naturally blue.
48
Penguins have a gland above their eye that turns saltwater into freshwater.
12