This document discusses plagiarism, including its definition, types, and consequences. Plagiarism is defined as presenting another's work as one's own without proper citation or credit. There are two types of plagiarism - intentional and unintentional. Plagiarism is considered theft and cheating, and can result in penalties such as failing grades or expulsion from school. The document reviews strategies for using and citing sources properly, including quoting, paraphrasing, and summarizing. It emphasizes the importance of citing sources to avoid plagiarism, even when reusing one's own work.