Here are a few websites that we use regularly to supplement our studies.
This site has been GREAT for Science!!
There is just so much there for us this year. We are studying Earth Science and this has just come in so handy!
Geology for Kids
Another excellent Science site: Alphabetized Earth Science Animations and
For History I am very impressed with this site put together by another mom :
American History Curriculum
And for Geography: Geography Map Games
Enjoy the rest of the school year!