## The Exam Cram: Why Stress Can Hurt Your Test Scores

Here is another infographic to help you prepare for the end of year exams:

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## Refraction Objectives

Here is a summary of what you are responsible for in the Refraction unit:

 # Objective Must-do Activities Videos 1 Defines the index of refraction of a medium Refraction Test Introduction to Refraction 2 Identifies incident rays and refracted rays in a diagram or an actual situation Thin Lens Lab, Snell’s Law Worksheet, Refraction Test Introduction to Refraction, Lenses 3 Measures the angles of incidence and angles of refraction in a diagram or an experiment Refraction Test Introduction to Refraction 4 Explains a phenomenon using the Law of Refraction Thin Lens Lab, Snell’s Law Worksheet, Refraction Test Lenses, Images and Lenses, Laws of Refraction 5 Explains the phenomenon of total internal refrection Snell’s Law Worksheet, Refraction Test Laws of Refraction

## Reflection Unit Objectives

Here is a summary of what you are responsible for in the Reflection unit:

 # Objective Must-do Activities Videos 1 Identifies incident rays and reflected rays in a diagram or an actual situation Reflection Test Linear Reflectors, Curved Reflectors 2 Measures the angles of incidence and angles of reflection in a diagram or an experiment Reflection Test Linear Reflectors 3 Explains a phenomenon using the Law of Reflection Reflection Test Linear Reflectors, Curved Reflectors 4 Determines the characteristics of the image formed in a given situation involving mirrors Reflection Test Images Formed by Plane Mirrors, Images Formed by Curved Mirrors 5 Calculates the position, orientation or height of an object or its image in a given situation involving mirrors (M = hi/ho= -di/do; 1/do+ 1/di= 1/f) Reflection Test Mirror Equation