International Technology Education Association
Tidy Up Those Sloppy Force Fields!
It is just magnetic. This resource presents the concept of Earth's and another planet's magnetic field and how spacecrafts detect them. Learners study a problem using magnetometers and participate in three experiments to come up with a...
Science Struck
Science Struck: How Does Light Travel Through Space and Other Media?
A detailed discussion of the nature of light, how it can travel through a vacuum, and how the speed of light is affected when light travels through a medium.
Mocomi & Anibrain Digital Technologies
Mocomi: What Is the Speed of Light?
How fast does light travel? How does its speed change when it travels through different media? Learn how scientists calculate the speed of light and some interesting facts.
Symmetry Magazine
Symmetry Magazine: Explain It in 60 Seconds: Cherenkov Light
Cherenkov light is explained here as the light emitted when a charged particle travels through matter faster than light would be able to. This would be slower, however, than the maximum speed of light, which occurs in a vacuum. "Explain...
PBS
Pbs Learning Media: Think Like Einstein
This interactive activity from the NOVA Web site challenges you to think like Einstein and understand how time travel might be possible.
Georgia State University
Georgia State University: Hyper Physics: Wave Motion
Two wave graphs depicting a sine wave and relating the various characteristics (wavelength, amplitude, frequency, and period) of a wave to each other. The site includes an interactive JavaScript form in which the visitor enters one...