Google can be a great search tool that can provide you with quality results if you try a few tips:
Evaluating Websites and Other Sources
Consider...
If you cannot determine the credibility of the information you are using, especially from a website, it's best not to use it to factually support your argument. Using biased or inaccurate information in your paper can negatively impact your grade.
Wikipedia is a great tool for a summary of a topic. Some of the content is excellent, some is questionable. Many educators frown on the use of Wikipedia. Why?
How can you use Wikipedia in a way that benefits your research process?