This Grade 4 unit is part of the Grade 4 STEMTaught SEEd Boxset.
This is Grade 3 STEMTaught unit corresponds to:

SEEd Standard 4.3.2 - Develop and use a model to describe how visible light waves reflected from objects enter the eye causing objects to be seen. Emphasize the reflection and movement of light. The structure and function of organs and organ systems and the relationship between color and wavelength will be taught in Grades 6 through 8. (PS4.B)

Disciplinary Core Ideas, Science and Engineering Practices, Crosscutting Concepts, and observable features of student performance are outlined in the document next to the appropriate corresponding text. In conformance to the SEEd standards, the unit begin