Computer science is the study of computers and computational systems, including software, hardware, and algorithms. It is a broad field that encompasses a wide range of topics, from programming and software development to computer graphics and artificial intelligence.

Scratch is a visual programming language that was developed by MIT as a tool for teaching coding concepts to children and beginners. Scratch allows users to create interactive stories, games, and animations by dragging and dropping graphical blocks of code. This makes it a fun and accessible way for anyone to learn the basics of computer programming.

By introducing computer science and Scratch to learners at an early age, educators can help build a foundation for lifelong learning and empower young people to create and innovate with technology. Moreover, learning to code can improve critical thinking, problem-solving, and collaboration skills, all of which are valuable in today's digital age.