The Water Planet The global ocean covers 71% of Earth’s surface Landmass covers 29% of Earth’s surface
Fresh Water Water that is not salty and has little or no taste, color or smell. scenery.cultural-china.com
Salt Water Water that contains dissolved salts and other minerals.
Salt Water vs.Fresh Water 3% 97%
Less than 1% of fresh water is available to humans What about us?
The Water Cycle The continuous movement of water through the environment of Earth.
Process of The Water Cycle Evaporation – the process in which water changes from liquid to water vapor.
Condensation – the process in which water vapor in the atmosphere becomes liquid.
Precipitation – water that falls from clouds.
Percolation (infiltration) – the slow passage of liquid from the surface to underground via a filtering system.
Runoff - the movement of land water to the oceans, normally in the form of rivers, lakes, and steams.
Transpiration – the release of water from the leaves of plants