Physics Classroom
The Physics Classroom: Refraction and the Ray Model of Light: Snell's Law
In this interactive physics tutorial, students will learn about a mathematical equation relating these two angles and the indices of refraction of the two materials on each side of the boundary.
Physics Classroom
The Physics Classroom: Refraction and Ray Model of Light: The Critical Angle
Illustrated examples and interactive practice problems that introduce students to the concept of the critical angle, the angle of incidence that provides an angle of refraction of 90-degrees.
My Science Site
B J Mst: Behaviour of Light
This resource explores light reflection and refraction by providing colorful illustrations and examples.
Physics Classroom
The Physics Classroom: Refraction/ray Model of Light: Total Internal Reflection
Through illustrated examples, students explore the physics phenomenon of total internal reflection when light travels through several medium boundaries.
Georgia State University
Georgia State University: Hyper Physics: Refractive Telescopes
This site from Georgia State University Physics Department gives a discussion of the manner in which light is refracted by refractive telescopes. Discusses the Galielean telescope and the astronomical telescope.
Physics Aviary
Physics Aviary: Refraction Lab
This lab is designed to have students investigate the changes in angle that occurs when light changes from one medium to another. This video will help describe the problem: https://www.youtube.com/watch?v=gVyCECxhesU
TeachEngineering
Teach Engineering: Needing Illumination: Investigating Light
This is the first lesson of this unit to introduce light. In this lesson, students learn the five words that describe how light interacts with objects: "transparent," "translucent," "opaque," "reflection" and "refraction."
Physics Aviary
Physics Aviary: Practice Problems: Index of Refraction Problem
Use the angle of incidence and the angle of refraction to determine the index of refraction for a material.
Physics Classroom
The Physics Classroom: Optical Density and Light Speed
A tutorial page explaining how the speed of light is dependent upon the optical density of the material through which it moves. Optical density is related to the index of refraction; sample values are given.
Utah Education Network
Uen: Trb 6:6: Activity 4 Lemon Light
An exploration of light refraction using lemon gelatin.
Other
Easyphysics: Chapter 10 Light Waves
Learners investigate light waves. Some topics examined are reflection of light, illuminance, and refraction of light. The resource includes example problems with solutions and a chapter quiz.
University of Illinois
University of Illinois Urbana Champaign: Light and Optics
Rainbows and sunsets are called "atmospheric optics". They can be caused by light being absorbed, reflected, scattered, refracted, or diffracted by particles in the atmosphere. Learn all about different atmospheric optics along with...
Optical Society
Optical Society of America: Exploring the Science of Light: Classroom Activities
Experiments and activities for investigating the science of light, as well as in-depth explanations of some of the light principles.
BBC
Bbc: Gcse Bitesize: Why Do Scientists Think That Light and Sound Are Waves?
Light travels as transverse waves and can travel through a vacuum. Sound travels as longitudinal waves and needs to travel through a solid, liquid or gas. Read about the properties of light and of sound, and learn the differences between...
Other
Open School Bc: Sound and Light
The Sound and Light interactive investigates these two forms of energy. Students will enjoy exploring how sound and light are created, travel, and can be controlled.
Other
Refractive Error and Presbyopia
Very good information about refractive error and presbyopia. Refractive error exists when light does not focus perfectly onto the retina.
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Light and Vision
Lesson plan should be used for intermediate students. Students work in pairs or groups to create a shoe box that will bend light.
TeachEngineering
Teach Engineering: Learning Light's Properties
Students learn the basic properties of light--the concepts of light absorption, transmission, reflection and refraction, as well as the behavior of light during interference. Lecture information briefly addresses the electromagnetic...
ClassFlow
Class Flow: What Is Light?
[Free Registration/Login Required] This flipchart reviews the characteristics of light and its properties. Students are given examples of reflection, refraction, and lens types. An assessment component is included.
Physics Classroom
The Physics Classroom: Refraction and Ray Model of Light: Refraction and Sight
Through illustrated diagrams and animations, students explore the broken pencil phenomenon and light refraction.
Physics Classroom
The Physics Classroom: Refraction/ray Model of Light: Light Dispersion Prisms
A tutorial which introduces students to the dispersion of light in more detail, and investigates the reasons why different frequencies of light bend or refract different amounts when passing through the prism.
Florida State University
Florida State University: Molecular Expressions: Refraction of Light
Manipulate the incident angle, color of light, wavelength, and medium to see how the refracted angle is affected.
Khan Academy
Khan Academy: Reflection and Refraction Questions
This is a 10-question exercise/quiz pertaining to reflection and refraction.
Khan Academy
Khan Academy: Light Rays
This is a quiz covering reflected, refracted, shadow, and camera rays.