L'AIGUA

http://www.edu365.cat/primaria/muds/natural/aigua/index.htm



https://drive.google.com/file/d/0B-S2fyEQh9BqcktYblBFREpaN3M/view


http://p.calameoassets.com/150115151833-b3c26a7ecebbde64989d214c4dbb4719/p3.svgz



https://youtu.be/3Cl6jCDWWYI