Plagiarism is presenting another person’s words or ideas as your own. Here is what the OWL at Purdue has to say about it (https://owl.english.purdue.edu/owl/):
“There are few intellectual offenses more serious than plagiarism in academic and professional contexts. Research-based writing in American institutions, both educational and corporate, is filled with rules that writers, particularly beginners, aren't aware of or don't know how to follow. Many of these rules have to do with research and proper citation. Gaining familiarity with these rules, however, is critically important, as inadvertent mistakes can lead to charges of plagiarism, which is the uncredited use (both intentional and unintentional) of somebody else's words or ideas.”
Plagiarism includes, according to Turn-it-in.com (The Plagiarism Spectrum: Instructor Insights into the 10 Types of Plagiarism):
Do you see how we cited our sources above? In the first case, we copied word-for-word, so we used quotation marks. In the second case, we used ideas that came from someone else, but put them in our own words. In both cases, we cited our source. Your teachers will discuss and define plagiarism in class to make sure we are all on the same page, but please know that the consequences, as listed in the Student Handbook, are quite serious.
We encourage both students and parents/guardians to contact their teachers with any questions, comments, or concerns about the issue of plagiarism.
Please see the Power Point below to learn more and see examples of the different kinds of plagiarism.
And here is a good read for parents/guardians: