Chapter 17: Reflection and Mirrors

Reflection and Mirrors:

This unit introduces the law of reflection and applies it to analyze image formation by plane mirrors. Virtual images and their properties are discussed. The law of reflection is applied to image formation by concave and convex mirrors. Real images and their properties are discussed. Finally, the mirror equation is used to quantify relationships between object and image locations and sizes.

Power Standards:

Students will be able to read and solve physics problems by writing down what is given in the problem, choosing the correct equation, and calculating the correct answer with the appropriate unit.
Students will be able to read laboratory investigations, follow the directions, use laboratory equipment properly, follow safety instructions, and analyze the data to help apply physics concepts learned.
Students will be able to compare and contrast reflection and refraction as it relates to light reflecting off of mirrors and refraction through lenses.

Learning Targets:

Learning targets are what the students will be assessed on.

Physics Knowledge:

PK 17.1 - I can understand the law of reflection and apply it to various situations. Chapter 17, Lesson 1
PK 17.2 - I can distinguish between specular and diffuse reflections. Chapter 17, Lesson 1
PK 17.3 - I can describe different types of mirrors and distinguish between real and virtual images. Chapter 17, Lesson 2
PK 17.4 - I can differentiate the different parts of a mirror. Chapter 17, Lesson 2
PK 17.5 - I can describe spherical aberration and be able to explain how to correct the problem in mirrors. Chapter 17, Lesson 2
PK 17.6 – I can draw and interpret ray diagrams of light to determine the location, size, and orientation of images in mirrors. Chapter 17, Lesson 3

Math:

M 17.7 - I can use the five steps to calculate the unknown physics variable in this chapter. Chapter 17, Lesson 4
M 17.8 - I know the abbreviations/units for all the previously learned terms and the terms in this chapter. Chapter 17, Lesson 4

Standards Based Grading Scale:

All of the above learning targets will be assessed with the following scale:

4 - Advanced. The learner has demonstrated a high level of conceptual and procedural understanding of the specific knowledge and skills.

3 - Proficient. The learner has demonstrated understanding of the specific knowledge and skills.

2 - Beginning. The learner is emerging but does not yet demonstrate understanding of specific knowledge and skills.

1 - The learner has provided some evidence, but not enough to assess proficiency.

0 - The learner has provided no evidence of the skill.

Learning targets will be added to MiStar at the beginning of the chapter and grades (0-4) will be entered as the students meet with the teacher and demonstrate their understanding of the learning targets. Learning target grades may not be added at the same time. If there is a blank, then the student may not have had the opportunity to demonstrate thier knowledge yet. A grade entered as zero means that they had the opportunity to demonstrate their knowledge and they chose not to.

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