Scholars learn about the Hero's Journey as they read Ray Bradbury's "The Drummer Boy of Shiloh." They analyze the story's structure and narrative techniques. Finally, they write summaries of the text's central idea and use their...

Circular breathing is a method of breathing that is used to "maintain a sound for a long period of time." This article explains how to engage circular breathing as a technique for playing the instrument.

This app simulates circular movement and demonstrates how the position, speed, acceleration, and the applied force vary depending on the time. You may choose the option "slow animation" to make the movement ten times slower. You can also...

Provides a long list of physics formulas for easy reference.

Why does the Moon not always look the same to us? Sometimes it is a big, bright, circle, but, other times, it is only a tiny sliver, if we can see it at all. The different shapes and sizes of the slivers of the Moon are referred to as...

Stebbins is a game about evolution. Students collect data as predators eating colored circles on a colored background, being careful to avoid the poisonous ones. Data analysis reveals how the population changes color over time, and can...

Suppose you placed a camera at a fixed position, took a picture of the sky at the same time every day for an entire year, and overlaid all of the photos on top of each other. What would the sun look like in that combined image? A...