1.Introduccion: Earth is the blue planet in the Solar System.

                        

Water, an indispensable resource for life

   2. Properties of water

     

Water cycle

http://concurso.cnice.mec.es/cnice2005/63_el_agua/actividades/activ_ag1.html


simple test about hydrosphere.http://recursos.cnice.mec.es/biosfera/alumno/1ESO/hidrosfe/actividades/actividad1.htm

 CONTINENTAL WATER.
Rivers and coast
  Are minerals in fresh water?
  Where do rivers begin?
   Why do rivers flow so slowly?
    Where do rivers end?


MARINE WATER   

                                                                                                                   
Ver presentación sobre olas, mareas y corrientes
W'hich is the bigest ocean
Why is saewater salty?
Which minerals are there in sea water?
What is a current?
How big can waves be?
how do the tides rise and fall?
crossword about sea water

LET'S SAVE WATER.
  Why is so strange the map on the right?
   Who is Ryan? Why is he famous?
   How can we save water in our baths, taps and public fountains?

                                                                                                    

                                                                                                                                                                             


 





white water                                                                                 polar icecaps

    Polar   ice caps                                                                Valley glaciers (Alpine)


Water Presentation                                                                





How much water do you consume? http://www.dcwater.com/kids/index.html

1 galón equivale a 3.7854118 litros.