Science, technology, engineering, and mathematics, often referred to as STEM, are fields that focus on understanding and solving problems in the world. Science involves studying the natural world through observation and experimentation, while technology applies scientific knowledge to create tools and systems that improve our lives. Engineering is the process of designing and building structures, machines, and systems using principles from science and mathematics. Mathematics provides the necessary tools for analyzing data and solving equations, making it essential for both science and engineering. Together, these fields drive innovation and contribute to advancements in society.