Joseph Black

Hello. My name is Joseph Black. I was born a long, long time ago, in the year 1728. Even when I was a very little boy, my mind was always full of wonder. I was very curious about everything. I loved to look at the world around me and ask lots of questions. I would ask my family, "Why does this happen?" and "How does that work?". Everything felt like a fun puzzle just waiting for me to solve it. I pretended I was a little science detective, always looking for clues and trying to understand how things worked. Asking questions was my favorite game to play.

One day, in the year 1754, I made a very exciting discovery that was a big surprise. I was carefully doing experiments with chalk, which is a soft, white rock. I wanted to see what would happen when I mixed it with other things. As I was working, I found something amazing—a new kind of air that no one had known about before. This air was invisible, so you couldn't see it with your eyes. I learned that this special air could be "fixed," or held, inside other things. That is why I decided to call my discovery "fixed air." This is the same kind of fizzy air that makes drinks have lots of fun bubbles in them. Finding this hidden air was so exciting, like solving a big puzzle.

I loved being a teacher and sharing all of my ideas with my students. It made me happy to see them get excited about science, too. My discoveries also helped my good friend, James Watt, create amazing new things. My work with "fixed air" was just the beginning of many new ideas. I lived to be 71 years old. I hope that my story shows you that asking questions is a wonderful thing. My curious questions helped other scientists understand the world in a new way, and they are still using those ideas to learn new things today.