Designed specifically for elementary/middle school students according to their needs and search abilities. The Kids Search interface combines a state-of-the-art search engine with a child-friendly, graphically-rich design that is both powerful and fun to use.
Provides definitions, how to say the word (often with sound) and where the word comes from. (The American Heritage Dictionary & Yahoo Kids)
Dictionary, encyclopedia, atlas and almanac available for research.
Dictionary, thesaurus and word games. (Merriam Webster)