Space Telescope Science Institute
Amazing Space: Star Light, Star Bright
An online exploration where students learn the basics about light and the properties of waves and the electromagnetic spectrum. Students will also learn how to measure wavelength and frequency so they can understand the electromagnetic...
Open Curriculum
Open Curriculum: Free Waves
With this article, students can learn about and understand the concept of wave motion.
Scholastic
Scholastic: Study Jams! Science: Energy, Light and Sound: Sound
A video and a short quiz on how sound travels in waves, its properties, and how to measure it.
Open Curriculum
Open Curriculum: Matter as a Wave
This article helps illustrate the behavior of electrons as waves and the uncertainty principle.
Khan Academy
Khan Academy: Light and Electromagnetic Radiation Questions
Questions pertaining to light and electromagnetic radiation.
Physics Central
Physics Central: Physics in the Living Room: Remote Control Tricks
An easy experiment through which students learn about light rays and the electromagnetic spectrum. Requires a TV, its remote, and a hand-held, flat mirror.
Science Buddies
Science Buddies: How Does Color Affect Heating by Absorption of Light?
Light is an example of an electromagnetic wave. Electromagnetic waves can travel through the vacuum of interstellar space. They do not depend on an external medium-unlike a mechanical wave such as a sound wave which must travel through...
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: 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).
Science Buddies
Science Buddies: Measuring Vibrational Frequency With Light
Strike a key on the piano, and you hear the string vibrating. Just about any object vibrates when it's knocked, but how much and how fast? This project helps you find out. You'll build a simple light-sensing circuit for measuring the...
TeachEngineering
Teach Engineering: Visible Light and the Electromagnetic Spectrum
In this lesson, the electromagnetic spectrum is explained and students learn that visible light makes up only a portion of this wide spectrum. Students also learn that engineers use electromagnetic waves for many different applications.
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...
Creative Science Centre
Creative Science Centre: Demonstration of Radio Waves Generated by Mobile Phone
Described is a simple low cost home-made device that converts the radio wave energy from a mobile phone signal into electricity to light an LED. No battery or complex circuitry is required. The device can form the basis of a range of...
Other
Propagation of Light Using Geometry
A discussion of Christian Huygens' contribution to wave optics, and particularly to our understanding of the reflection and refraction of light. Excellent diagrams and a geometric proof on why the law of reflection is mathematically...
NASA
Nasa: The Space Place: Match Light Faces With Heat Faces
This site from the National Aeronautics and Space Administration provides information on the subject. "An infrared camera sees heat, rather than light. Can you match up the face in the infrared image with the same face in visible light?"
Other
Confederation of Oregon School Administrators: Waves and Their Applications
Every second billions of waves-sound waves, radio waves, light waves-pass through or bounce off our bodies. Over time people have developed technologies that make use of these natural phenomena to accomplish their goals such as creating...
Synopsys
Synopsys: Optics for Kids: What Is Light?
This site provides a short explanation of light, how it travels, and the speed in which it travels. Many other concepts related to optics can be found on this site as well.
Science Struck
Science Struck: Wavelength of Light
Describes the characteristics of light, presents two formulas for calculating its wavelength, and provides a table of the different wavelength ranges across the electromagnetic spectrum.
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.
Florida State University
Florida State University: Light and Color: Reflection of Light
An in-depth discussion on reflection of light can be found here. Among the topics discussed include are the difference between specular and diffuse reflection, concave and convex mirrors, facets, total internal reflection, and much more....
NASA
Nasa: Imagers: The Electromagnetic Spectrum
NASA site provides information on waves, electromagnetic waves and their wavelengths.
CK-12 Foundation
Ck 12: Diffraction
[Free Registration/Login may be required to access all resource tools.] Students investigate diffraction of light and the interference patterns that are produced through constructive and destructive interference of the waves. Students...
Creative Science Centre
Creative Science Centre: A Voice on a Sunbeam
Here is described a simple process to 'put a voice on a sunbeam' and transmit it over a distance. It is a fascinating example of amplitude modulation of light using sound vibrations. It then describes how the modulated light is detected...
NASA
Nasa: The Space Place: Why Is the Sky Blue?
Learn about colors of light by exploring how prisms work. Discover the different colors of the spectrum and how the visible light is what we see.
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