Islamic scholars made groundbreaking contributions in mathematics, astronomy, medicine, and optics. They preserved and expanded upon the knowledge of earlier civilizations, contributing to the development of algebra, trigonometry, and advancements in medicine and optics. write this in a 7th grade way

Islamic scholars in the past did really cool things in different subjects like math, astronomy, medicine, and optics. They saved and added to the information from older civilizations, which helped make algebra, trigonometry, and improvements in medicine and optics.