Florida State University
Florida State University: Microscopy Primer: Anatomy of the Microscope
The premier web site on the physics of microscopy. Includes several pages and numerous Java applets about microscopes and refraction. Thorough, well-illustrated, interactive, fun, and educational. What more can one ask for?
American Museum of Natural History
American Museum of Natural History: See the Light
Take a look at light with these three easy experiments
BBC
Bbc: Gcse Bitesize: General Properties of Waves
Light travels as waves. Waves can be described by their amplitude, wavelength and frequency. The speed of a wave can be calculated from its frequency and wavelength.
Optical Society
Optical Society of America: Optics for Kids: Bending Light
An experiment using a water lens that demonstrates how the eye sees an image. Accompanied by an explanation of what's happening, and a link to an article on refraction.
Synopsys
Synopsys: Optics for Kids: What Is Light?
An explanation of what light is and some of its properties.
TeachEngineering
Teach Engineering: The Energy of Light
In this introduction to light energy, students learn about reflection and refraction as they learn that light travels in wave form. Through hands-on activities, they see how prisms, magnifying glasses and polarized lenses work. They also...
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...
CK-12 Foundation
Ck 12: Plix: Color: Light in a Prism
[Free Registration/Login Required] Explore how light is refracted when visible light enters, passes through, and exits the prism by moving the red dot to adjust the angle of white light shining on the prism.
Optical Society
Optical Society of America: Optics for Kids: Lose a Glass in a Glass
This is an activity that should only be done outdoors or in a well-ventilated area, with adult supervision, as it involves paint thinner. It demonstrates the concept of the index of refraction for different materials, in this case that...
Optical Society
Optical Society of America: Optics for Kids: Blue Sky Red Sunset
An experiment where light is shone through a bottle of water, and then milk added, to see how this affects the path the light takes (with links to articles on reflection and refraction that explain what is happening).
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.
Physics Classroom
The Physics Classroom: Lesson 3: Concave Mirrors
Lesson 3 of this tutorial on refraction is on concave mirrors. Content that is covered includes the anatomy of curved mirrors, reflection of light and image formation, ray diagrams, image characteristics for concave mirrors, plus more.
Exploratorium
Exploratorium: Critical Angle
Students can see light reflected and refracted in this demonstration. They will also discover the total internal reflection of light.
My Science Site
Optics: Energy and Control [Pdf]
A very comprehensive unit including topics such as light and its source, visible sources of light, transparency of objects and much more. Also offers a resource list, blackline masters, and expectation list, expectation summary and a...
University of Maryland
Optics Highlights: Optics, Electromagnetic Waves, Quanta
Part of an anecdotal history on optics and the study of light. Extremely thorough treatment of the scientific evidence which led scientists to believe in the particle nature of light. Includes a short biographical sketch and discusses...
Curated OER
Web Gallery of Art: Newton's Discovery of the Refraction of Light
An image of "Newton's Discovery of the Refraction of Light", created by Filippo Pelagio Palagi in 1827 (Oil on canvas, 167 x 216 cm).
Georgia State University
Georgia State University: Hyper Physics: Crossed Polarizers
At this univeristy physics department site, the polarization of light is explained and illustrated. Methods for analyzing light to determine the degree of polarization are stated and explained with equations.
Georgia State University
Georgia State University: Hyper Physics: Prisms
This physics department site explains how prisms work and their purpose in the dispersion of light. Explains the angle of deviation and includes an interactive form in which visitors calculate the angle of deviation and receive immediate...
PBS
Pbs Learning Media: Galileo's Telescope
The invention of the telescope helped change our understanding of the universe. This video segment adapted from NOVA looks at Galileo's contribution to this technology. [1:49]
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...
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.
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...