· Water covers around 80% of the Earth’s surface in which 97% of the earth's water is seawater.
· Ocean tides are caused by the rotation of the Earth and the gravitational pull of the Moon and Sun acting on ocean water.
· Pure water has no smell and no taste; it also has a pH level around 7 which is neither acidic nor basic.
· Water from a sea or ocean is known as seawater. On average, every kilogram (2.2lb) of seawater contains around 35 grams (1.2 oz) of dissolved salt.
· A healthy person can drink about three gallons (48 cups) of water per day.
· Hot water freezes faster than the cold water.
· The average toilet uses 5 to 7 gallons of water per flush.
· Water expands by nearly one tenth of its volume when it freezes.
· Every 24 hours about 250 cubic miles of water evaporates from the sea and the land.
· Ocean tides are caused by the rotation of the Earth and the gravitational pull of the Moon and Sun acting on ocean water.
· Pure water has no smell and no taste; it also has a pH level around 7 which is neither acidic nor basic.
· Water from a sea or ocean is known as seawater. On average, every kilogram (2.2lb) of seawater contains around 35 grams (1.2 oz) of dissolved salt.
· A healthy person can drink about three gallons (48 cups) of water per day.
· Hot water freezes faster than the cold water.
· The average toilet uses 5 to 7 gallons of water per flush.
· Water expands by nearly one tenth of its volume when it freezes.
· Every 24 hours about 250 cubic miles of water evaporates from the sea and the land.