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.
Wikimedia
Wikipedia: The Black Hole
This site examines the black hole as an object in astrophysics. Delve into this comprehensive resource that covers this concept from its history, to qualitative physics, the reality of black holes, mathematical physics and more.
University of St. Andrews (UK)
University of St. Andrews: Special Relativity
A historical approach to special relativity, giving all the events and names in the history of discovery of special relativity. Many links to these individuals.
PBS
Pbs Nova: The Light Stuff
In a provided image, students try to identify what ordinary objects in the house can kick light into a lower gear. Find out why the speed of light isn't always 186,000 miles per second.
Open Curriculum
Open Curriculum: Electromagnetism
This article helps explain the concept of electromagnetism as well as magnetic fields and the properties of the speed of light.
Society for Science and the Public
Science News for Students: Neutrinos Not So Fast
Discusses the validity of research showing that neutrinos travel faster than the speed of light.
TED Talks
Ted: Ted Ed: How Simple Ideas Lead to Scientific Discoveries
Educator, Adam Savage, shares two astounding examples of profound scientific discoveries that came from simple, creative procedures: Eratosthenes' calculation of the Earth's circumference and Hippolyte Fizeau's measurement of the speed...
Famous Scientists
Famous Scientists: Albert Abraham Michelson
Meet Nobel Prize winner, Albert Michelson, an American physicist known for his work on the measurement of the speed of light and especially for the Michelson-Morley experiment.
Science Buddies
Science Buddies: Measuring Speed of Moving Objects With Stroboscopic Photography
A strobe light can illuminate an entire room in just tens of microseconds. Inexpensive strobe lights can flash up to 10 or 20 times per second. This project shows you how to use stroboscopic photography to analyze motion.
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.
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.
PBS
Pbs Learning Media: Diamonds: The Science Behind the Sparkle
This illustrated essay from the NOVA Web site explains why the atomic structure of a diamond slows down light and produces a sparkle more brilliant than from any other colorless substance.
NASA
Nasa: Astronomy Picture of the Day: Jupiter
A triple eclipse crossing the face of Jupiter on 2 Feb 98. This set of five images captures the passage of the shadows of Io, Callisto, and Ganymede across the face of Jupiter.
NASA
Nasa: Imagine the Universe: Black Holes
Learn what black holes are and the myths that surround them.
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.
Ducksters
Ducksters: Physics for Kids: Theory of Relativity Light and Time
Kids learn about the speed of light and time dilation in regards to the theory of relativity in the science of physics. Also how gravity can change the passage of time.
Other
Fear of Physics: Albert Einstein's Theory of Relativity
Fear of Physics uses animations and simple language to teach the theory of relativity.
CK-12 Foundation
Ck 12: Plix: Refraction: Light Entering Water
[Free Registration/Login Required] Explore how water distorts the location of objects due to the speed at which light travels through different mediums by moving the red point to adjust the angle of the fisherman's line of vision.
New Advent
Catholic Encyclopedia: Jean Bertrand Leon Foucault
A lengthy biographical sketch from The New Advent of Jean-Bertand-Leon Foucault (1819-1868 CE) physicist and mechanician. Discusses his upbringing, scientific work, major accomplishments and published articles. Please note that "The...
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...
PBS
Pbs Learning Media: Einstein: How Smart Was He?
This essay from the NOVA Web site explores the impact Einstein made on physics and most everything we know about the cosmos.
Trinity College Dublin
The History of Mathematics: Roemer
A short biographical sketch of the life and work of Ole Roemer (1652-1719 CE). Identifies his scientific discoveries and contributions in astronomy.
American Museum of Natural History
American Museum of Natural History: O Logy: Stuff to Do: Views From Windows
Instructions that take you through an Einstein-like thought experiment by having you imagine and record what you see when stationary and when moving at the speed of light.
NASA
Nasa: Imagine the Universe: Neutron Stars and Pulsars
Discover what neutron stars and pulsars are and view pictures of them. Includes links to additional resources and lesson plans.