This is my first TPT product! I hope it brings a little fun and clarity to your studies of matter. These cards can be printed double-sided if you flip on the short edge. They have shape examples of these substances on one side, and definitions, picture examples, etc. on the back side. I created this for my 7th grade science class to introduce the differences between elements, molecules, and compounds. They began by only looking at the shape side and trying to sort them into categories. We then d