PBS Online has good information about your favorite PBS television program. Child-Safe Internet Search Engines and Reference Pages Search Engines and Directories Primary Elementary Level Enchanted Learning Picture Dictionary does early primary searches, by initial letter of subject. Letters are pronounced online. SuperSnooper has a simple interface, no directories. Lists alternative spellings in cases of misspelling.
Presents hits in sequence most likely to match intent of user, based on history of past searches.
All child-safe sites, although anything linked off of these sites is not necessarily so. Misspellings trigger alternate search strategies. Hierarchical organization and key word searching. EdView indexed sites are categorized by subject and grade level. Hits at elementary level in large font with simple descriptions.