Are your kids learning about the Physical Properties of Matter-Magnetism, Electrical/Thermal Insulators, Dense (more dense/less dense than water), Solubility, Mass, Physical states (solid, liquid, gas), Color, Texture? Then this is the product for you! This GUESS WHO? game gets students to use physical properties vocabulary to describe objects/substance. This is a highly tested area that students get to practice and have fun reviewing! I've included an answer key for the 20 substances! Students love playing this game and it can be played several different ways (which are all explained). Get it today for super cheap!