DNA

https://www.dropbox.com/s/j0ylxmokhc9g9j5/DNA%20Notes.ppt?m

La mitosis

http://cienciaseladio.blogspot.com/

the cell

http://www.slideshare.net/cgales/cellular-structures-and-their-functions

plates Tectonic

http://www.juntadeandalucia.es/averroes/manuales/tectonica_animada/tect_swf_files/seafloor_spread.swf

Ciclo de las Rocas

http://cienciaseladio.blogspot.com.es/2010/03/ciclo-de-las-rocas.html

rock cycle

http://www.slideshare.net/dhmcmillan/rock-cycle-concept-map

Tectonica de placas

http://www.juntadeandalucia.es/averroes/manuales/tectonica_animada/tectonanim.htm