Contents: 1.Oceanogrpahy: Definition and Scope 2.A Historical Background of the Development of Oceanography 3.The morphology of the Ocean Bottom 4. Bottom relief of the Oceans 5.The physical and chemical characteristics of Ocean Water 6.Temperature of the Oceans 7.Salinity of Ocean Water 8.Density of Ocean Water 9.Ice in the Sea 10.Water Masses 11.Marine Deposits 12.Coral Reef 13.Oceaninc Waves 14.Landforms shaped by Waves and Currents 15.Tides 16.General Character and origin of Ocean Currents 17.Currents of the Pacific and Indian Oceans 18.Currents of the Atlantic Ocean 19.Man and Marine Resources 20.Global Warming