The correct answer is science. Science is a field of study that involves the systematic observation, experimentation, and analysis of natural phenomena. It explores the physical and natural world through observation and experimentation, aiming to understand and explain how things work. It encompasses various branches such as biology, chemistry, physics, and more. Social studies, on the other hand, is a broader field that includes the study of human society and its various aspects like history, geography, economics, and civics. Therefore, science is the most appropriate answer among the given options.