"Plagiarism is the act of taking the writings of another person and passing them off as one’s own. The fraudulence is closely related to forgery and piracy—practices generally in violation of copyright laws." (Encyclopedia Britannica Online.)
There are, however, two things that are not plagiarism:
But what about fair use? Fair use allows some exceptions, for example, as a teacher I can photocopy small portions of a book for my class for educational purposes but I couldn't copy the whole book or sell it for a profit, despite my intentions.
All quotes (or photos, or videos, etc.), even paraphrases, must be attributed to their author/creator.
Paraphrasing is re-writing someone's thoughts in your own words.
Plagiarism can happen outside of your typed paper. Avoid plagiarism in any Power point or Prezi by giving due credit to any and all material that's found online and not original to you. To avoid plagiarizing visual material search for items labeled for reuse or within the public domain. For example, when doing a Google Images search click on "Search Tools" and then "Usage Rights" to change the limiter.
Each member of the university community is responsible for abiding by the Academic Honor Code at all times.