Use this game to reinforce what you have already taught about phases of matter. This card game is played similar to the game Uno. Students will have fun playing this card game while learning at the same time. They will always want to be the first person to shout, "It All Matters". This card game has 18 pages and is in .pdf format. The pages are in color and have a front and a back. The pages should be printed front to back (duplex) on heavy card stock. After cutting the cards out, laminate them so they will last longer. The directions to play the game are included. Please visit my store for more products.