Wikimedia
Wikipedia: Refracting Telescope
Wikipedia provides detailed information on refracting telescopes, including an image, technical difficulties, and a hyperlinked list to info on notable refracting telescopes.
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...
Georgia State University
Georgia State University: Hyper Physics: Total Internal Reflection
This physics department site provides a definition and explanation of the phenomenon of total internal reflection. Includes a diagram and an equation for calculating the critical angle for light approaching a surface.
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...
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...
Physics Classroom
The Physics Classroom: Light Waves and Color: Polarization
Through illustrated practice problems and video clips, students learn about polarization of light.
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.
Utah State Office of Education
Utah Science: Properties and Behaviors of Heat, Light and Sound
How can scientists lump heat, light and sound together when investigating properties and behaviors? This learning module will address that question through a series of activities.
Other
Transverse and Longitudinal Wave Propagation in an Elastic Medium
Extensive information about how waves behave in an elastic medium. Covers different types of waves, their characteristics and behavior, the anatomy of the ear, the speed of sound in different media, the parts of a wave, and wave phenomena.
Georgia State University
Georgia State University: Hyper Physics: Reflection and Refraction
Reflection and refraction are explained with an experiment that uses a sheet of paper, cardboard, and other common materials.
My Science Site
My Science Site: The Light for Sight [Pdf]
This resource offers a hands-on activity for science teachers to teach about the eye and it's ability to see images. Also discusses refraction and reflection. This resource is in PDF form; requires Adobe Reader.
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...
Incorporated Research Institutions for Seismology
Iris: Determining Shallow Earth Structure
Extend students' learning of fundamental physics concepts (reflection, refraction and transmission of energy) through a real-world application.
Khan Academy
Khan Academy: An Experiment With Light Rays and a Prism
This passage will test your knowledge on reflection and Refraction - Passage 2.
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.
Cosmo Learning
Cosmo Learning: Physics Iii: Vibrations and Waves
A collection of video lectures from a physics course focusing on vibration and waves taught at the Massachusetts Institute of Technology. The course overviews topics dealing with mechanical vibration and waves with twenty-three lectures....
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.
Walter Fendt
Walter Fendt: Reflection and Refraction of Light
Defines the refraction of light and provides an applet for investigating it.
PBS
Pbs Learning Media: The Beginnings of the Telescope
This animated essay from the NOVA Web site examines the design of Galileo's refracting telescope and Sir Isaac Newton's reflecting telescope.
CK-12 Foundation
Ck 12 Exploration Series: Simulations: Physics: Diamond Cut
[Free Registration/Login Required] A simulation investigating why a diamond shines by looking at refraction, reflection, and total internal reflection.
Georgia Department of Education
Ga Virtual Learning: Geometric Optics
This interactive unit will help students to understand the basics of geometric optics. Learn what happens when light strikes the boundary between two media as well as the difference between a real and virtual image? Also explore the law...
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Bending Light
Manipulate variables and measure angles as light is refracted in this interactive simulation.
Georgia State University
Georgia State University: Hyper Physics: Methods of Polarization
At this college physics department site, the polarization of light is explained and illustrated as well as the primary methods of polarization (scattering, reflection, and refraction).
Discovery Education
Discovery Education: 3 M Young Scientist Lab: Gelatin Optic Fibers
Strips of gelatin dessert and a laser pointer demonstrate total internal reflection.