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...
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.
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.
Ducksters
Ducksters: Physics for Kids: Behavior of Light as a Wave
Kids learn about the behavior of light as a wave in the science of physics including reflection, refraction, and diffraction.
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.
Khan Academy
Khan Academy: An Experiment With Light Rays and a Prism
This passage will test your knowledge on reflection and Refraction - Passage 2.
University of New South Wales (Australia)
University of New South Wales: School of Physics: Physclips: Geometrical Optics
Physiclips thoroughly presents geometrical optics concepts like rays, refraction, Snell's law, total internal reflection, dispersion, mirrors, and lenses with animations and film clips.
University of Maryland
Optics Highlights: The Telescope
Part of an anecdotal history of optics and the study of light. Extremely thorough treatment of the invention of the telescope. Includes a short biographical sketch and discusses the work of Isaac Newton which focuses on his contribution...
Exploratorium
Exploratorium: Science Snacks: Disappearing Glass Rods
In this activity, you will make a glass object disappear by eliminating the reflection from and the refraction by the glass object.
Center of Science and Industry
Cosi Columbus: Two Lenses in One
Investigate the behavior of a water filled vial, and discover why it acts like a magnifier. Includes full list of materials, procedures, and scientific explanation of what causes light rays to change direction.
Mocomi & Anibrain Digital Technologies
Mocomi: What Is Scattering of Light?
Do you know why the sky is blue? Article defines scattering and how it works. Explains the difference between the scattering of light and reflection or refraction.
Kidport
Kidport: Light
Did you know that light is a form of energy and always travels in a straight line? Discover some more interesting facts about light.
Synopsys
Synopsys: Optics for Kids: What Is Light?
An explanation of what light is and some of its properties.
Optical Society
Optical Society of America: Optics for Kids: Guiding Light Optical Fiber
This experiment demonstrates the concept of total internal reflection, using basic materials. Accompanied by a detailed explanation of what's happening, and links to articles on reflection and refraction.
Physics Classroom
The Physics Classroom: Reflection and Mirrors: Optics Bench Interactive
Find out about the physics behind those fun-house mirrors. Students manipulate a virtual optics bench to explore the images formed by mirrors and lenses.
Science Education Resource Center at Carleton College
Serc: Helping Students Discover Total Internal Reflection
After students have learned the basic relationship of Snell's Law, they practice applying it to a situation. Then they are given another situation where it doesn't work, which turns out to be one in which total internal reflection occurs.
Walter Fendt
Walter Fendt: Reflection and Refraction of Light
Defines the refraction of light and provides an applet for investigating it.
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Light (K 4)
This site provides two activities that learners can do in class. One uses mirrors to reflect light beams whole another is making a kaleidescope.
ClassFlow
Class Flow: Introduction to Light
[Free Registration/Login Required] This flipchart introduces fifth graders to the science of light. Principles such as transparent, translucent, opaque, reflection, and refraction are covered. Concave and convex mirrors and lenses are...
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.
Other
Lighthouses: Lighting the Lights
A description of the early lights used in lighthouses and how these lights evolved into what they are today. Explains the contributions of Fresnel to the development of these lights; discusses the Fresnel orders.
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.