This column provides classic demonstrations and experiments with a new twist. This article describes a pendulum PBELL experience developed and implemented in university methods classes and an eighth-grade classroom in an urban Arizona school,
where 84% of the students are Latino, the vast majority were at some point classified as ELLs, and 100% of the students are eligible for free lunches and breakfasts. The language enhancements inspired by ELL needs benefited all students during this experience.