Knowledge_On-The-Go_Grade-4Level 4 Module 4 Lesson 4: Light rays 

In Lesson 4, students answer the Phenomenon Question: How do we see objects in the classroom? By developing and revising models based on their observations. (SEP.2) Students use the models to describe that light reflecting from objects and entering the eyes (PS4.B) allows objects to be seen (CC.2).






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