Science Bob has wonderful ideas for experiments, the steps the students need to go through and some fun games.
Cool Math
This website has wonderful math games and a cool science game link.
Spelling CityType your spelling words in and play games with them.
Study JamsVideo clips, songs, fun quizes and games for science and math topics
Civilballs
A logic game that requires thought and planning to succeed. Building upper level thinkling skills in a fun way.
Room 108
Room 108 is a Primary Education Site for Kids and Teachers. There are lots of Educational Games and Resources for Kids .