This set of playing cards can help you kick start discussions of the characteristics of asteroids, comets, planets, and moons in our solar system. Help your visitors engage in scientific thinking by sorting objects into categories according to their shared qualities, and discover how some objects can be placed into multiple categories. The solar system can be sorted in many different ways!

The links below contain high-quality PDF files that allow you print these cards out for use at your events. If you would like smaller cards, please print them 2 or 4 cards to a page, cut them out, fold, and paste. 

Uploaded: February, 2020