undead_knight نوشته: Science (from Latin scientia, meaning "knowledge"[1]) is a systematic enterprise that builds and organizes knowledge in the form of testable explanations and predictions about the universe


knowledge or a system of knowledge covering general truths or the operation of general laws especially as obtained and tested through scientific method


the intellectual and practical activity encompassing the systematic study of the structure and behaviour of the physical and natural world through observation and experiment:


a branch of knowledge or study dealing with a body of facts or truths systematically arranged and showing the operation of general laws: the mathematical sciences.


the systematic study of the nature and behaviour of the material and physical universe, based on observation, experiment, and measurement, and