Color Absorption and Reflection with M&M’s

Download Lesson

Color is familiar, but more complicated than students think. Why IS it that one m&m is red and that other one is green. Of course, it all has to do with light! Can YOU sort the m&ms with just a green light? or just a red light? Let’s see! This fun and surprising STEM inquiry will make it super clear what color absorption and reflection is.

Grade Range:
6 to 12

1/2 Hour – 1 Hour


A set of Light BLOX (Red/Green/Blu), 1 White LED or flashlight, package of m&m’s

NGSS Connections
PS4.B: Electromagnetic Radiation
  • When light shines on an object, it is reflected, absorbed, or transmitted through the object, depending on the object’s material and the frequency (color) of the light (MS-PS4-2)