Reefseek: a reference searcher; it sifts through all results and only provides the ones that provide reliable information on your topic without any ads.
Sweet Search is created specifically for students, and every result has been evaluated by research experts.
Bing is similar to Google, but with a noticeable difference in the number of ads. Search without sellers.
If you must Google it, use Google scholar. The results are similar to those of an academic database: scholarly articles, peer-reviewed by topic experts.
ISeek is a search engine designed with students and teachers in mind. It draws from academic sites, such as universities and libraries to answer your query.
Infotopia is an academic search engine that pulls results that have been curated by librarians, teachers and other educational workers.
Google Books allows users to browse an index of thousands of books, from popular titles to old, to find pages that include your search terms.
VLRC is is an index hosting thousands of scholarly websites, all selected by teachers and librarians from around the globe. The site provides current, valid information for academic projects that are recommended by teachers and librarians.