Motion parallax” is easily demonstrable by closing one eye, staring at a pencil, and then opening the closed eye and closing the other. The pencil appears to move because the eyes have different locat ...
Sunspots are disturbed areas of the sun that look like spots because they are cooler than the surface of the sun. They have been observed and recorded since the 18th Century. This large collection of ...
Probability expresses the likelihood or odds of something to happen. If the weather forecasts 20% chances of rain odds are that it will not rain. Another example of probability are raffles. You put yo ...
Throwing a ball to a friend or shooting a cannon are both examples of projectile motion. Gravity is a force that acts upon objects, drawing them towards the center of the Earth at 9.81 m/s2. Horizonta ...
Benford's Law, also called the first-digit law, describes how in lists of numbers from many everyday sources of data, the leading digit is distributed in a specific, predictable way. This experiment w ...
This project explores the properties and uses of “magic squares.”It is an educational content by education.com.By clicking on the title of this resource, you will be redirected to the content. If you ...
This project explores the properties of circles and the nature of pi.It is an educational content by education.com.By clicking on the title of this resource, you will be redirected to the content. If ...
Measurements determine quantities. A ruler measure distance. A scale measures weight. A clock measures time. Qualitative measurements are also useful, determining intangibles like color brightness, me ...
Although an in-depth study of fractals was not possible before computers, the theory is not totally new. Helge von Koch, a Swedish mathematician, discovered a fractal in the early 20th Century, and no ...
Sound is a neat thing. It’s really just vibrations in the air, but with it you can hear music, speech, movements, actions, trains, planes, and cars. Sound is often measured by its frequency. Frequency ...