Scienze

Ecco i link per le presentazioni di scienze



I fossili

https://www.dropbox.com/s/4sou1g8cbayhpam/i_fossili_e_la_scala_del_tempo_geologico.ppt?dl=0

oppure
https://drive.google.com/open?id=0B3J1Dqg6WbtKTTVWQmdMd1RKbkU

Storia della terra

https://www.dropbox.com/s/grg0w2qj6hlxgzf/Storia%20della%20Terra.pptx?dl=0

oppure

https://drive.google.com/open?id=0B3J1Dqg6WbtKaHRiQUI1c2ZJcEk