Eunice Foote

Hello! My name is Eunice Foote. I was born on July 17th, 1819. Ever since I was a little girl, my head was buzzing with questions. I loved looking at the world around me and trying to figure out how everything worked. Why is the sky blue? Why do plants grow toward the sun? I went to a special school for girls where we learned all about science, which was my favorite subject. While other people might just accept things as they are, I always wanted to know 'why?'.

One day, a big question popped into my head: What makes the air get warm in the sunshine? To find the answer, I decided to do an experiment. Around the year 1856, I took some glass jars, and into each one, I put a different kind of air, which scientists call gas. One jar had regular air, another had moist air, and one had a special gas called carbon dioxide. Then, I put a thermometer in each jar to measure the temperature and lined them all up in the bright, warm sunshine. I couldn’t wait to see what would happen!

I watched the thermometers very carefully. Soon, I noticed something amazing! The jar with carbon dioxide was getting much, much warmer than all the others. It was trapping the sun’s heat like a cozy blanket! I realized that this gas in the air could affect how warm our whole planet gets. I wrote down everything I discovered in a science paper called 'Circumstances affecting the Heat of the Sun's Rays.' It was a huge discovery, and I was so excited to share it with other scientists.

Back in 1856, it was very unusual for women to be scientists. When it was time to share my paper at a big science meeting, I wasn't allowed to read it myself. Instead, a kind man named Professor Joseph Henry read my words for me. Even though I couldn't stand up and talk about my discovery, I was proud that my ideas were being heard. It was important that the world learned about how our air helps keep the Earth warm.

Besides being a scientist, I also believed that women should have the same rights as men. In 1848, I went to a very important meeting in Seneca Falls, New York. There, I signed a paper called the Declaration of Sentiments. It was a promise to work hard so that women could vote and be treated fairly. I believed that everyone's voice, whether in science or in life, deserved to be heard. I was also an inventor and created a special filling to make shoes less squeaky!

I lived to be 69 years old, and my life was filled with curiosity and discovery. For a long, long time, my experiment with the glass jars was mostly forgotten. But today, people remember my work. I was one of the very first people to understand that gases in the air can trap heat and warm our planet. This is now called the 'greenhouse effect.' I hope my story shows you that asking questions is one of the most powerful things you can do. You never know what you might discover!