Integrating Sources into Text [ Teens/Mature Teens ] - Explains how to introduce a source and note borrowed information to reduce the chances of unintentional plagiarism.
Plagiarism [ Mature Teens ] - College professor's tutorial explains what plagiarism is and why it is wrong, and refutes the excuses often used to try to justify it.
Purdue University: Avoiding Plagiarism [ Teens/Mature Teens ] - Designed to help writers develop strategies for knowing how to avoid accidental plagiarism. Available in printer friendly html and pdf versions.
What is Plagiarism at Indiana University [ Teens/Mature Teens ] - The Indiana University definition of plagarism and an online quiz with 10 examples of student writing to judge.