Google Scholar searches scholarly publications, patents, and legal documents (unlike the simple Google search engine). These results will often be more appropriate sources
Even though it is "scholarly," it is highly recommended that you still evaluate these sources as the criteria used may be different.
When you search for information, you're going to find lots of it . . . but is it good information? You will have to determine that for yourself, and the CRAAP Test can help. The CRAAP Test is a list of questions to help you evaluate the information you find. Different criteria will be more or less important depending on your situation or need.
Currency: The timeliness of the information.
Relevance: The importance of the information for your needs.
Authority: The source of the information.
Accuracy: The reliability, truthfulness and correctness of the content.
Purpose: The reason the information exists.