Physics Classroom
The Physics Classroom: Refraction and Ray Model of Light: Refraction by Lenses
Students use this tutorial to investigate the refractive ability of converging and diverging lenses.
Physics Classroom
The Physics Classroom: Refraction and the Ray Model of Light: Converging Lenses
The purpose of this tutorial is to summarize object-image relationships by dividing the possible object locations into five general areas or points.
Physics Classroom
The Physics Classroom: Refraction and the Ray Model of Light: Diverging Lenses
In this illustrated tutorial, students will see a specific method for constructing ray diagrams for double concave lenses.
Physics Classroom
The Physics Classroom: Refraction/ray Model of Light: The Mathematics of Lenses
Using the Lens Equation and the Magnification Equations, students determine numerical information about image distance and image size.
Optical Society
Optical Society of America: Optics for Kids: Make Money Appear Before Your Eyes
A simple experiment that clearly demonstrates how light bends when it passes through water. Accompanied by a good explanation of what's happening, and a link to an article on refraction.
Walter Fendt
Walter Fendt: Apps Zur Physik
This site, in German, offers numerous apps that illustrate common physics principles. Apps are organized into categories: mechanics, oscillations and waves, electrodynamics, optics, thermodynamics, the theory of relativity, physics of...
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
Physics Classroom
The Physics Classroom: Ray Diagrams for Concave Mirrors Case B
Ray diagrams are useful tools for determining the location of an image as produced by a concave mirror. Of all the rays which emanate from the top of the object arrow and are incident to the mirror, there are two rays whose behavior at...
Physics Classroom
The Physics Classroom: Ray Diagrams for Concave Mirrors Case D
Ray diagrams are useful tools for determining the location of an image as produced by a concave mirror. Of all the rays which emanate from the top of the object arrow and are incident to the mirror, there are two rays whose behavior at...
Physics Classroom
The Physics Classroom: Image Formation for Concave Mirrors Case A
This animation depicts the path of light to each person's eye. Different people are sighting in different directions; yet each person is sighting at the same image location. In this animation the image location is the intersection point...
BBC
Bbc: Bitesize: Gcse: Physics: Reflection and Refraction
All waves will reflect and refract in the right circumstances. The reflection and refraction of light explain how people see images, color and even optical illusions. This tutorial discusses each concept and presents an experiment to try...
CK-12 Foundation
Ck 12: Physical Science: Refraction of Light
[Free Registration/Login may be required to access all resource tools.] Discusses refraction of light in matter and how light changes its speed and angle of refraction according to the type of medium it is travelling through.
CK-12 Foundation
Ck 12: Physical Science: Reflection of Light
[Free Registration/Login may be required to access all resource tools.] Considers the reflection of light from both smooth and rough surfaces and the law of reflection.
CK-12 Foundation
Ck 12: Physics Simulation: Least Time
[Free Registration/Login Required] Explore how Snell's Law arises out of the principle of least time; understand how light rays change direction at interfaces between materials using this interactive simulation. A PDF worksheet and a...
Better Lesson
Better Lesson: Refraction Extravaganza!
Fourth graders learn how light waves bend differently in different mediums.
Khan Academy
Khan Academy: Refraction and Light Bending
This article from Khan Academy provides information about refraction and light bending. This information is intended for the Class 12 Physics Course (India).
Khan Academy
Khan Academy: Eye Disease and Contact Lenses
Punctate keratitis is an eye disease that results in abrasions on the epithelial cornea. One of the leading causes of the disease is the overuse of contact lenses. A research team is investigating the optical properties of four new types...
Khan Academy
Khan Academy: Reflection and Refraction Questions
This is a 10-question exercise/quiz pertaining to reflection and refraction.
University of Texas at Austin
The University of Texas Mc Donald Observatory: Super Gelatin
Students measure the angles of refraction of laser light traveling through gelatin, then plot their data to calculate the gelatin's index of refraction.
Boston University
Bu: Optics: Geometric Optics
Several short descriptions of demonstrations which illustrate principles of geometric optics (many of which focus upon refraction).
Science Education Resource Center at Carleton College
Serc: Mn Step: Why Is the Sky Blue?
Students will learn about refraction and the scattering of sunlight as it enters the atmosphere, which causes the colors in light to separate, giving us blue skies and colorful sunrises and sunsets.
Mocomi & Anibrain Digital Technologies
Mocomi: Reflection and Refraction of Light
What happens when a ball is thrown against a wall? This narrative illustrates how light is reflected or refracted in different circumstances.
Mocomi & Anibrain Digital Technologies
Mocomi: Refraction of Light
Guide to an experiment to study the refraction of light in a glass of water. Observe why this happens.
Other
60 Second Science: Little Drops of Water Experiment
Explore the properties of water and observe how drops of water can act as a magnifying lens.