However, you should still give credit to the source, even if your material is public domain.
Explanation
This quiz will test your knowledge over intellectual property. Make sure you watch the videos and read the "helpful tips" first before taking this quiz.
If you place the information, picture, music, etc. on a Web page, it is available for viewing to the whole world, so you HAVE to get permission first.
In fact, almost eveything on the Web is copyrighted. Tip: Any images on Wikipedia or the Smithsonian (or a lot of government Web sites) are public domain and free to copy/save and use.
Attribution is needed even if you get permission from the author.
it is always best to try to get permission to use an item.