SweetSearch4Me is designed for elementary students, with results geared to K-5 students. Other resources include tools for school librarians and teachers, biography, and social studies sites. The cool thing about it is the results for the search is only include only 35,000+ websites that research experts, librarians and teachers have approved.
SweetSearch is the K-12 version and it will result in more results in the search with credible sites for information. If you find you aren’t finding enough information on SweetSearch4me you may want to use SweetSearch.
Kids Click! is a web search engine design by librarians with kid friendly results.http://www.kidsclick.org/
Ask Kids
Yahoo Kids
Cyber Sleuth Kids