A scholarly source usually consists of an abstract, an author that is an expert in the field, and many times it is peer-reviewed by those in the same field. Once you find a scholarly resource utilizing one of the provided search engines, ask yourself these questions:
Who is the author and what are their credentials?
Are they a generic staff writer for a website/blog or newspaper, or an expert in the field?
Who peer-reviewed the resource and what are their credentials?