If the delay between a sound and its echo is less than 1/10th of a second, the human ear can’t distinguish it. Through the use of a Slinky, rubber band guitar, and straws, scholars explore where sound comes from and how it travels....

Turn the class into a percussive orchestra and let the kids take over as conductor. You'll explain a few ins and outs of what a conductor does. Then you hand over the baton and let your budding Beethovens conduct each other as they...

Representing data is as easy as pie. Class members construct pie charts given a frequency table. Individuals then determine the size of the angles needed for each sector and interpret the size of sectors within the context of frequency....