Lesson on Reflection of Light (Time 47 minutes)

 

Preparatory Homework:

Read: Chapter 17 Section 1c

 

Write on board: “The angle of incidence equals the angle of reflection”

 

Introduction

Q & A: Review what students have learned about light so far.

                  Q&A: What do students know about mirrors?

 

Discussion:

Q&A: Oral drill on the questions at the end of the reading

 

Presentation:

Brief discussion and demonstration of a variety of angles and their reflections (use colored string

                  Show students how this demonstration relates to their reading

 

Lab:

                  Lab 17.1C: Students measure the angles of incidence and reflection using:

                                    Mirror

                                    Laser

                                    Protractor

                 

Assessment:

Collect data tables and statement of conclusion

Questions 5-8 on unit test