This product is designed for struggling middle-school readers. The reading is long (one and a half pages), but uses limited vocabulary. The primary goal is to build reading fluency in a subject-area context. I use it for my science students in our unit on space. I give it to all my students, and my goal is to build stamina and fluency in all students who need that help. Oh, and have them learn how the sun supports life on Earth. Plus, I answer that fascinating question: "Why does the sun shine?" Eight fairly easy questions check reading comprehension.