Hydrosphere and atmosphere   Larisa Grebenisan Curso 2010/2011 C.E.I.P Maestro Juan de Ávila
The hydrosphere <ul><li>The hydrosphere is a layer formed of all the water on Earth, except the water vapour in the atmosp...
The waters of the hydrosphere <ul><li>The hydrosphere includes: </li></ul><ul><li>Oceanic waters: the waters that form the...
The hydrosphere is always moving <ul><li>The waters in rivers flows until it reaches the seas and oceans. </li></ul><ul><l...
The importance of the hydrosphere <ul><li>The hydrosphere provides the water that all living things need to survive. </li>...
The atmosphere <ul><li>The atmosphere is the layer of air that surrounds the geosphere and the hydrosphere .It extends abo...
The layers of the atmosphere <ul><li>The atmosphere has different layers: </li></ul><ul><li>Troposphere.The first 12 kilom...
Changes in the atmosphere <ul><li>The atmosphere changes continually : wind, precipitation, clouds … </li></ul><ul><li>All...
The importance of the atmosphere <ul><li>The atmosphere is very important for life on Earth: </li></ul><ul><li>It filters ...
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Unit 9

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Unit 9

  1. 1. Hydrosphere and atmosphere Larisa Grebenisan Curso 2010/2011 C.E.I.P Maestro Juan de Ávila
  2. 2. The hydrosphere <ul><li>The hydrosphere is a layer formed of all the water on Earth, except the water vapour in the atmosphere.This layer covers three quarters of the surface area of the planet. </li></ul>
  3. 3. The waters of the hydrosphere <ul><li>The hydrosphere includes: </li></ul><ul><li>Oceanic waters: the waters that form the oceans and seas. </li></ul><ul><li>Continental waters: the waters that cover part of the continents (rivers, lakes, masses of ice) and underground water. </li></ul>
  4. 4. The hydrosphere is always moving <ul><li>The waters in rivers flows until it reaches the seas and oceans. </li></ul><ul><li>The water in seas and oceans moves because of three phenomena: </li></ul><ul><li>Waves are undulations of the water on the surface, caused by the wind. </li></ul><ul><li>Currents are masses of water that move from one place to another, like a river within the sea or ocean. </li></ul><ul><li>Tides are movements up and down of the leven of the water, every six hours. </li></ul>
  5. 5. The importance of the hydrosphere <ul><li>The hydrosphere provides the water that all living things need to survive. </li></ul><ul><li>We use the water of the hydrosphere to drink, clean, cook and in industry and farming. </li></ul><ul><li>In the hydrosphere we realice activities like swimming and fishing. </li></ul><ul><li>The hysdrosphere provides the water that all living things need to survive.It is also an habitat and we use the water for many things. </li></ul>
  6. 6. The atmosphere <ul><li>The atmosphere is the layer of air that surrounds the geosphere and the hydrosphere .It extends about 1000 kilometres above the Earth’s surface. </li></ul>
  7. 7. The layers of the atmosphere <ul><li>The atmosphere has different layers: </li></ul><ul><li>Troposphere.The first 12 kilometres above the surface of the Earth. </li></ul><ul><li>Stratosphere.Between 10 and 50 kilometres above the surface of the Earth. </li></ul><ul><li>Higher layers.Above the stratosphere are other very cold layers with few gasses. They are: The mesosphere, the thermosphere and the exosphere. </li></ul>
  8. 8. Changes in the atmosphere <ul><li>The atmosphere changes continually : wind, precipitation, clouds … </li></ul><ul><li>All the changes in the atmosphere are called atmospheric phenomena. </li></ul>
  9. 9. The importance of the atmosphere <ul><li>The atmosphere is very important for life on Earth: </li></ul><ul><li>It filters dangerous solar radiation, particularly the ozone layer. </li></ul><ul><li>It maintains the heat of the planet. </li></ul><ul><li>It contains gasses necessary for photosynthesis and breathing. </li></ul>

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