When doing research with students, try sweetsearch.com, a search engine for students. A team of research experts have carefully curated content to return quality results for teachers and students. In addition to using the search engine, educators may want to utilize the SweetSearch2Day area that highlights a historical fact for that day. Other features include biographies, helpful research tips, Social Studies content, and SweetSearch4Me for younger students. Read more here or view this video for a preview of SweetSearch.com and tips on saving your search results to Google Drive, Evernote, Diigo, etc.
Click here to look around Dulcinea (as mentioned on the above video).