Bibliografia/Webgrafia

Bibliografia:


RIBEIRO, Isabel José; COSTA, Madalena; CARRAPA, Maria Eduarda; Faces da Terra 7, meio natural; Areal Editores




Webgrafia: 


http://www.youtube.com/watch?v=43VoMesUd2Q&feature=player_embedded

http://www.youtube.com/watch?v=eAkijDDS61A&feature=player_embedded

http://www.youtube.com/watch?v=Yii8nVZEnFA&feature=player_embedded

http://www.youtube.com/watch?v=B0RWLxOFGLY