Students use simple materials to model the basics of a partial, annular, and total solar eclipse. Materials Large (1-3 feet in diameter) yellow circle or ball to represent the Sun OR a projected image of the Sun 1-inch or 2-inch foam balls OR any small balls, one per student Pencils, one per student Management The relative sizes of the yellow circle or ball and the foam balls can vary depending on the size of the room and number of students. If foam balls are not available, any spherical substi