Ask Dr. Math is based on the book series “Ask Dr. Math” and has math questions with their answers arranged by grade level. Students submit questions that are answered by experts then archived for others to review.
Cool Math has lessons, practice problems and games for pre-algebra, algebra, geometry, pre-calculus and calculus.
Figure This!Math challenges for families has Math activities and resources to help parents and children work together to complete math homework. Website provided by the National Council of the Teachers of Mathematics.
Ology American Museum of Natural HistoryThe American Museum of Natural History presents a web site full of kid-friendly science information, such as archeology, astronomy, biodiversity, earth, Einstein, and genetics.
Science Buddiesprovides a list of science activities and science fair ideas for K 12.