•Largest bodies of water on earth.
•There are five interconnected oceans
which cover 70.8 percent of the water on
the earth’s surface, namely Pacific,
Atlantic, Indian, Antarctic, and Arctic.
18. MEDITERRANEAN SEA
•One of the most important seas
which lies between Africa and
•It is one of the chief waterways of
25. GULF AND BAYS
•A bay is a part of a lake or an ocean
which creates a semi-circular
indentation along the shore.
•Its water is quiet and free from strong
currents and makes a natural harbor.
•A gulf is a large bay.
•Completely encircled by land.
•It coast is called shores.
•Most lakes have fresh water, but a few lakes
•Some lakes are very small but others are so
large that they are like inland seas.
•The Caspian sea is an example of a lake
with salty water.
•Formed by rainfall and melting snow.
•They begin as small streams, or water running
downhill, which join forces with other streams
to become a river.
•A river is always flows from higher to lower
•There are types of rivers, the source, mouth,
current and tributaries.
43. WORLD’S LONGEST RIVER
• Nile, Africa
• Amazon, S. America
• Yangze, Asia
• Mississippi-Missouri, N. America
• Ob-Irtysh, Asia
• Huang-Ho, Asia(yellow river)
• Zaire, Africa
• Parana, S. America
• Amur, Asia
• Lena, Asia