PRIMERAS ACTIVIDADESDE 4º A

SCIENCE:

http://www.youtube.com/watch?v=AMs3waaW75g ( frog life cycle)

http://www.youtube.com/watch?v=Hkyv_msRS6w   ( frog life cycle with more explanations)

http://www.youtube.com/watch?v=Hkyv_msRS6w   needs of a plant , song 

http://www.youtube.com/watch?v=3pD68uxRLkM   (plants photosynthesis)