Please be aware that we vigorously police sites such as, Chegg, Teachers Pay Teachers, YouTube, and CourseHero. The POGIL Project and its agents will take steps against those who violate its copyright, up to and including legal action. Please be advised that doing this is strongly discouraged because doing soĭoes a great disservice to students who are trying to work through the problems on their own. The POGIL Project is aware that many teachers post POGIL activity answer keys on their school websites.