This is always a favorite investigation! The primary colors of pigment (red, yellow, and blue) mix to form the secondary colors (orange, purple, and green), but how do you create the intermediate or tertiary colors? First graders were tasked with using varying amounts of the primary colors to create 24 different colors. Click here for additional information. I used color fizzers which do not stain. How fun to have a job creating crayon or paint colors! After we mixed the colors, we named them. Click here for the color names of Crayola crayons. I witnessed an abundance of collaboration as they asked their classmates how they created the colors in their trays.