University of Colorado
University of Colorado: Physics 2000: Cat Scans: Projecting Shadows
This page and the three pages which follow discuss how X-ray technology can be used to produce an image of the human body. Discussion is understandable and highly intriguing. Several interactive animations allow the visitor to explore...
University of Colorado
University of Colorado: Physics 2000: More About Visualizing Electromagnetic Waves
Discusses the nature of an electromagnetic wave. Explains the oscillating electric field and represents it through clever graphics and animations.
Physics Classroom
The Physics Classroom: Color Addition
This tutorial on the addition of color to light discusses the primary, complimentary, and secondary colors of light.
Other
Uni: Astronomy: Formula Light
Learn about light properties through practice with formulas. This resource shows the relationship between the speed of light, its wavelength, and its frequency. A fairly simple, but important relationship.
Physics Aviary
Physics Aviary: Radiant Emissions Lab
This lab is designed to allow students to look at the relative proportions of different wavelengths of light that are emitted by stars at different temperatures.
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...
Florida State University
Florida State University: Molecular Expressions: Primary Additive Colors
Manipulate the primary color circles of light to see how overlapping the circles affect the colors. An explanation is included.
NASA
Rxte Learning Center: Frequency, Wave Length, and Energy Activity
Resource focuses on the relationship between the frequency, wavelength and speed of light. Has a link to an interactive activity relating frequency, wavelength, and energy.
CK-12 Foundation
Ck 12: Physical Science: Properties of Electromagnetic Waves
[Free Registration/Login may be required to access all resource tools.] The speed of electromagnetic waves, their wavelengths and frequencies and how to calculate wavelength or wave frequency.
Discovery Education
Discovery Education: 3 M Young Scientist Lab: Triboluminescence
Detectable flashes of light are released as wintergreen-flavored candies are crushed in darkness.
Georgia State University
Georgia State University: Hyper Physics: Dispersion
The phenomenon of light dispersion is explained with a formula and a practice form for calculating Abbe's number.
Discovery Education
Discovery Education: The Em Spectrum: Waves of Energy
Students are introduced to the electromagnetic spectrum through this group research activity. Each group investigates a different wavelength range within the em spectrum and reports back to class. Discussion ideas also included.
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...
Physics Aviary
Physics Aviary: Wavelength Lab
This lab is designed to have students investigate the relationship between the speed of a wave, the frequency of the wave and the wavelength of the wave. Students can vary wave speed and frequency. Each of these should be varied while...
Space Telescope Science Institute
Amazing Space: Star Light Star Bright
A few short, interactive activities on light waves can be found on this site. Numerous others links and teacher resources are posted here as well. A good background on light is offered for teachers.
Khan Academy
Khan Academy: Light: Electromagnetic Waves, Electromagnetic Spectrum and Photons
This article discusses the properties of electromagnetic radiation and photons.
TeachEngineering
Teach Engineering: Exploring the Electromagnetic Spectrum
Students learn the basics of the electromagnetic spectrum and how various types of electromagnetic waves are related in terms of wavelength and energy. In addition, they are introduced to the various types of waves that make up the...
CK-12 Foundation
Ck 12: Wave Speed Calculations
[Free Registration/Login may be required to access all resource tools.] Students investigate and analyze characteristics of waves, including velocity, and calculate the relationship between wave speed, frequency, and wavelength.
University of Colorado
University of Colorado: Physics 2000: Temperature and Absolute Zero
A thorough, multipage discussion of color and color television sets that explains how an image is formed on the television using red, green, and blue light. Understandable discussion, excellent graphics, and many interactive Java applets.
Oklahoma Mesonet
Oklahoma Climatological Survey: Overview of Radiation
This site details what radiation is, the physics of radiation, and radiative transfer as it occurs in nature. Content explores the electromagnetic spectrum, electromagnetic waves, properties of radiation, and solar radiation.
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Models of the Hydrogen Atom
How did scientists figure out the structure of atoms without looking at them? Try out different models by shooting light at the atom. Check how the prediction of the model matches the experimental results.
Science Struck
Science Struck: Color Spectrum Chart With Frequencies and Wavelengths
Read about the visible light spectrum and learn the frequencies and wavelengths for each of the primary and secondary colors.
Science Struck
Science Struck: Versatile Uses of a Spectrophotometer
Explains what spectrophotometry is, the types of spectrophotometers, and what they are used for.
Trinity College Dublin
The History of Mathematics: Young
A short sketch of the life and work of Thomas Young (1773-1829 CE). Traces early upbringing and education and his scientific discoveries and contributions.