Resource - Art 2

Wow! The work first graders get to do during one of their art resource class. They learn about organic shapes, overlapping elements, and primary colors. Today's focus with their art teacher, Miss Kristy, was to finish their work with organic shapes (leaves) and use primary colors (red, blue, yellow) to make secondary colors (orange, green, purple). Take a peak of the little artists...

Do you know what primary colors to use in order to make these secondary colors (orange, green and purple)?