Looking at your FBD above, which forces, if any, do work that is not a part of the potential energy of the system? If there are none, then energy is conserved. Write down the individual contributions ...

The claim, evidence, reasoning framework is a lot of thinking all at once for middle school students. Here’s a way to break ...

In 1970, the first Earth Day sparked a massive public protest, with 20 million Americans taking to streets and college campuses to speak out against air and water pollution, wilderness loss, and ...

Have you been paying attention to current events recently? See how many of these 10 questions you can get right. Compiled by Jeremy Engle Wesley Morris, the host of the culture podcast “Cannonball,” ...