The Earth's Hydrosphere

This powerpoint talks about the liquid water component of the Earth.

1. The Earth’s HYDROSPHERE

2. HYDROSPHERE is the liquid water component of the Earth. It includes the oceans, seas, lakes, ponds, rivers and streams. The hydrosphere covers about 70% of the surface of the Earth.

3. Oceanographers – scientists who study the ocean Salinity – term used to describe the amount of dissolved salts in ocean water.

4. THE STRUCTURE OF HYDROSPHERE Oceans- 96.5% of water found here Fresh water-3.5% of water found here Fresh water distribution: Ice: 1.762% Groundwater: 1.7% Surface Fresh Water: 0.014% Atmosphere and soil: 0.002%

5. The Importance of Hydrosphere Water is a part of living cells Water provides a habitat Regulating climate Human needs

6. Ocean Floor

7. 5 MAJOR OCEANS OF THE WORLD Atlantic ocean Indian ocean Pacific ocean – largest , deepest Antarctic ocean Arctic ocean