Generally speaking, didactical remotely controlled experiments are still little known amongst teachers of the science areas, even though they represent promising resource capable of contributing for the teaching and learning ...

This study investigated the perceptions of higher education chemistry teachers about the use of ICT in chemistry teaching and qualitatively analyzed their perceptions on the didactic use of a remotely controlled experiment. ...

Os aglomerados abertos são considerados excelentes traçadores da estrutura espiral da Galáxia, pois sua distância e sua idade podem ser determinadas com boa precisão através dos diagramas cor-cor e cor-magnitude, e as ...