TED Talks
Ted: Ted Ed: How False News Can Spread
In previous decades, most news with global reach came from several major newspapers and networks with the resources to gather information directly. The speed with which information spreads now, however, has created the ideal conditions...
Physics4kids
Physics 4 Kids: Mechanics and Motion
Motion is one of the key topics in physics. Everything in the universe moves. It might only be a small amount of movement and very very slow, but movement does happen. Don't forget that even if you appear to be standing still, the Earth...
NASA
Nasa Star Child: What Is a Light Year and How Is It Used?
This is a definition and example of how distance is measured in astronomy, such as the distance between our earth and the stars.
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...
Science Buddies
Science Buddies: Focusing Your Flash for 'Freezing' Motion
Here's an interesting flash photography project. With an inexpensive Fresnel lens, you can concentrate the light from your flash. You'll be able to shoot with a smaller aperture and a shorter flash duration. This will give you a greater...
Colorado State University
Metric Numbers to Remember
Look to this site for many important numbers and conversion factors used between the metric system and the customary system, such as speed of light, body temperature, distance from sun to earth, plus more.
Other
Smart Motorist: What Causes Car Accidents?
There are four factors that "Contribute to the vast majority of collisions." This detailed website discusses these: "Equipment Failure," "Roadway Design," "Poor Roadway Maintenance," and "Driver Behavior."
Other
Online Conversion
Conversion calculators galore! Convert just about anything from one measureable unit into another measureable unit here with over two dozen calculators. Each of the links is specific to a measureable quantity. Some examples include...
Other
Ask Numbers: Measurement Conversion Calculators and Charts
What kind of unit conversion would you like to do? This site will allow you to do a multitude of conversions. Just click on the specific measurement you are needing to convert. It also provides a history of measurements and a chart of...