Please note this resource is an article found in the January 2016 Volume 53 Number 5 edition of NSTA's "Science and Children" Journal which can be accessed for free in the NSTA Learning Center for NSTA members. The article is entitled "You Light Up My Life" by Christine Anne Royce and contains a K-2 lesson "Seeing is Believing" and a 3-5 lesson What Color Is It?" The K-2 lesson, "Seeing is Believing" is to be utilized with the book "Light: Shadows, Mirrors, and Rainbows" by Natalie M. Roslinksy.
In this lesson, "students determine the effect of placing objects made with different materials in the path of a beam of light. They also observe that objects in complete darkness can be seen only when illuminated."