It is wrong because it is basically stealing someone else's work.
No, citing the wrong source is simply an error. Plagiarism is failing to cite a source, so that you are presenting someone else's work as your own.
Because it is wrong and unethical, plus there are usually consequences to committing plagiarism if you are discovered, like getting zero for your writing and/or facing discplinary action.
Yes, plagiarism is always wrong regardless of a student's age. It is unethical and can have serious consequences in academic and professional settings.
I assume you are asking the difference between plagiarism & copyright infringement. While both are essentially the use of someone elses work without permission, the most significant difference is that plagiarism also involves claiming that material as your own work.
Plagiarism is always wrong. However, if you give credit where credit is due its called Quoting. Then it is OK.
self plagiarism, mosaic plagiarism, and accidental plagiarism.
plagiarism
Plagiarism is never okay. It involves passing off someone else's work or ideas as your own, which is a form of dishonesty and intellectual theft. It is important to always give credit to the original source when using someone else's work.
The prefix of "plagiarism" is "plagi-".
Plagiarism and copyright infringement.
Plagiarism is the act of taking another's thoughts or words and passing them off as your own. If you properly cite the author or source then it is no longer plagiarism. A word of caution - it is generally considered acceptable to quote up to a paragraph at a time from a single source. More than that risks copyright infringment.
Plagiarism is not allowed at our school. If you are caught with the act of plagiarism you will be expelled.