SOL Review http://www.solpass.org
National Geographic for Kids http://www.nationalgeographic.com/kids/
Fun activities - by girls....for girls. http://www.missoandfriends.com/
Science Vocabulary http://harcourtschool.com/glossary/science
SOL questions http://www.pen.k12.va.us/VDOE/Assessment/releasedtests.html
More SOL questions http://education.jlab.org/solquiz/index.html