When you use information in a paper or presentation for a class, you're following the “fair use” doctrine, and you don't need to get permission from the copyright holder. You do, however, need to properly cite the source for any text, images, or other media you use in a class project in order to avoid plagiarism.
Using someone else's thoughts or ideas as your own without properly giving credit is plagiarism. It is your responsibility to understand what plagiarism is and know how to avoid it. Plagiarism is illegal and can:
You can avoid plagiarism by citing the information sources you use in your paper or project. Cite your information sources often! Always cite an information source when you use a direct quotation, and you should also cite when paraphrasing (putting information in your own words). You should also cite all the sources used in your paper or project on the "works cited" or bibliography page.
For more information about plagiarism and knowing how to guard against it in your work, check out the “Plagiarism & You” handout: