The document shown below can be downloaded and printed. Teachers are granted permission to use them freely with their students and to use it as part of their curriculum. However, you are not allowed to post this Think Sheet or the Think Sheet with Answers on other websites. We consider the act of doing so to be an infringement upon our copyrights to the material. Please abide by our Usage Policy. 

The Physics Classroom also sells a product to teachers called the Chemistry Solutions Guide. The Chemistry Solutions Guide download includes all the PDFs and source documents (MS Word files) of the Think Sheets at the Curriculum Corner, along with answers, explanations, and solutions, and a broader set of licensing rights. You can learn more about this product on our Solutions Guide page.  This is for teachers and homeschool parents only.