Summarize the following:
If you come across a sentence or paragraph that you think might be plagiarized, you can easily check it out using Google. Simply copy and paste the section of writing you want to check into the search bar of Google. Put quotation marks at the beginning and end of the passage so that your search will turn up that exact wording.  This is a simple and free way to check for plagiarism. If you find that it is a case of plagiarism, make sure to save the link to the site where you found the original source. There are many free websites that will check for plagiarism, and they are typically more thorough than a basic Google search. You can search online for free plagiarism checkers. Once you choose a site to use, you can copy and paste the text that you want to check into the site. Many sites will also allow you to upload an entire document to be checked. Some popular sites are:  Dupli Checker PaperRater Plagiarism If you need to regularly check a large number of papers, it is probably worth it to pay for a service that can help you keep up. If you are an educator, your school might have already purchased access to one of these sites. If not, you can buy a membership for yourself. These sites can automatically check all papers that are turned in. Some of the most popular services are Turnitin.com and EVE (Essay Verification Engine). If your school doesn’t have a policy about how to check for plagiarism, you can suggest that everyone use a similar process. For example, if everyone uses Turnitin.com, students will know that their work will be checked the same way in every class. If they know their work will be vetted, they might be less likely to cheat.

Summary:
Run a Google search to easily check a small section of the paper. Use free online applications to check electronic documents. Try a commercial service for more efficient checking. Encourage faculty at your school to use a similar process.