This science/ stem prompt is a good way to introduce the movements of a few planets with respect to their rotation. The solar system is so unique in that only 1 planet is rotating differently. There are a few theories on why that is. ... This prompt requires a wee bit of research. It is good to introduce astronomy prompts to elementary school. It will increase their knowledge base before high school or college! Astronomy-readiness is important. The world is getting more advanced and competitive. Thanks for visiting and supporting our humble shop.