Discovery Education
Discovery Education: 3 M Young Scientist Lab: Disappearing Glass
Glass objects seem to disappear when placed in cooking oil.
Discovery Education
Discovery Education: 3 M Young Scientist Lab: Gelatin Optic Fibers
Strips of gelatin dessert and a laser pointer demonstrate total internal reflection.
Science Buddies
Science Buddies: Measuring Sugar Content of a Liquid With a Laser Pointer
Here's a project that shows you how to use a laser pointer and some knowledge of physics to figure out the concentration of sugar dissolved in a liquid.
Georgia State University
Georgia State University: Hyper Physics: Polarization by Absorption
The operation of Polaroid filters on a pair of sunglasses is shown.
Better Lesson
Better Lesson: Properties of Waves
In this direct instruction lesson, learners draw sketches in their science notebooks in order to make sense of wave properties. Resources include a slideshow presentation on the properties of waves and multiple examples of student work.
Boston University
Bu: Optics: Geometric Optics
Several short descriptions of demonstrations which illustrate principles of geometric optics (many of which focus upon refraction).
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).
Florida State University
Florida State University: Science, Optics & You: Willebrord Snell
Biography of Willebrord Snell (1580-1626), a Dutch mathematician known best for his work in refractive indices.
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...
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: 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: Polarization
"How Do We Know Light Behaves as a Wave?" An answer is provided in this discussion of the polarization of light and the use of Polaroid filters in sunglasses. The four methods discussed on this page are: polarization by transmission,...
Other
Siemens Science Day: Physical Science: Through the Looking Glass
Students will make their own spectroscope, learn how light is bent by a diffraction grating, and explore how various forms of light differ.
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.
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.
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...
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.
Better Lesson
Better Lesson: Waves Performance Assessment Part 1
Students will use a variety of objects to participate in a partner activity and communicate using light and sound waves. Resources include a video, pictures and videos of the lesson in action, and examples of student work.
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...
University of Maryland
Optics Highlights: The Microscope
Part of an anecdotal history of optics and the study of light. Extremely thorough treatment of the scientific findings and developments which led to the invention and refinement of the microscope. Includes a short biographical sketch and...
Exploratorium
Exploratorium: Science Snacks: Convection Currents
Get a visual of convention currents with this activity. This activity allows students to observe the currents by bending light due to cold and warm water.
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...
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.
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