Aquí vos deix unes adreces on podeu trobar experiments molt interessants per fer a classe.
Sort!
http://experciencia-cat.blogspot.com.es/
http://www.slideshare.net/ronaldestelafencyt/experimentos-para-nios
https://sites.google.com/a/xtec.cat/jornadesderecerca/cicle-inicial/taller-1-ci
http://www.sortirambnens.com/per-fer-a-casa/experiments.html
http://primariaexperimentos.blogspot.com.es/