NASA
Nasa: Tour of the Electromagnetic Spectrum: Visible Light
Visible light waves are the only electromagnetic waves we can see. We see these waves as the colors of the rainbow. Each color has a different wavelength. Red has the longest wavelength and violet has the shortest wavelength. When all...
PBS
Pbs Learning Media: The Electromagnetic Spectrum: Frontline
This video segment adapted from FRONTLINE introduces the electromagnetic spectrum and explains how the various types of electromagnetic waves are distinguished by the amount of energy each wave carries.
NASA
Nasa: Mission: Science: Electromagnetic Spectrum: Infrared Waves
Infrared light lies between the visible and microwave portions of the electromagnetic spectrum. Infrared light has a range of wavelengths, just like visible light has wavelengths that range from red light to violet.
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.
Purdue University
Purdue University: Fundamental Subatomic Particles
At this site from the Purdue University, the elementary subatomic particles are described and electromagnetic radiation is detailed. Includes learning exercises and answers.
Famous Scientists
Famous Scientists: Wilhelm Rontgen
A short biography about the scientist who produced and detected electromagnetic radiation in a wavelength range known as X-rays or Rontgen rays, which earned him the first Nobel Prize in Physics in 1901.
CK-12 Foundation
Ck 12: Earth Science: Telescopes Study Guide
[Free Registration/Login may be required to access all resource tools.] This study guide summarizes key points about electromagnetic radiation and the different types of telescopes that rely on various forms of it. Includes a few...
Space Telescope Science Institute
Amazing Space: Star Light, Star Bright
This online exploration provides an opportunity to identify the different properties of waves and the relationship that exists between energy, wavelength, and frequency. Correlate images from the Hubble Telescope to the wavelength,...
Florida State University
Florida State University: Magnet Lab: Faraday Cage
A faraday cage is an important tool for some scientists at the MagLab. But they don't work with it: they work inside it.
Science Buddies
Science Buddies: Absorption of Radiant Energy by Different Colors
In this science fair project, use an infrared thermometer to measure the temperature of differently colored paper exposed to sunlight, and calculate energy emission using the Stefan-Boltzmann equation. Find discussion questions, a list...
Khan Academy
Khan Academy: Infrared and Ultraviolet/visible Spectroscopy Questions
Practice questions over infrared and ultraviolet/visible spectroscopy questions.
NASA
Nasa: Imagine the Universe: Welcome to the World of X Ray Astronomy
Site recounts how X-rays were discovered as well as who discovered them. Offers graphics, links to facts on this topic, a quiz, and teacher resources.
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.
Famous Scientists
Famous Scientists: Hendrik Antoon Lorentz
This article will describe the life and accomplishments of Hendrik Antoon Lorentz.
Other
Fluorescent Mineral Society: The Ultraviolet Spectrum
This resource presents a discussion of the nature and properties of ultraviolet light. The manner in which minerals emit UV light is described and explained.
TED Talks
Ted: Ted Ed: Light Waves, Visible and Invisible
Lucianne Walkowicz shows us the waves just beyond our perception: microwaves, radio waves, x-rays and more. [5:58]
NASA
Nasa: Space Place: What Is Infrared?
See images and read about examples of infrared rays, and learn how they behave in different conditions.
University Corporation for Atmospheric Research
Ucar: Learn: The Greenhouse Effect
A detailed overview of the greenhouse effect, with explanations about Earth's atmosphere gases referred to as greenhouse gases, and the factors that influence the heat-trapping ability of a greenhouse. All information is reinforced...