Here is a list of resources relating to the ethical use of information. These resources are targeted for use of students ages 9-11. They should be able to view these videos, links, etc. to help give credit to information they use in the classroom.
This site helps younger aged kids learn about Plagiarism. It allows to also listen to the text in case some vocabulary is hard to understand or pronounce.
Journalists Code of Ethics, Code# 5 states that "I SHALL NOT COMMIT ANY ACT OF PLAGIARISM." Every kid loves SpongeBob.. this is a cute and funny video where SpongeBob demonstrates plagiarism.