Nellie Gomez is a fictional character from the popular children's book series, The Magic School Bus. She is known for her adventurous spirit and curiosity about science. Nellie often participates in exciting field trips led by their teacher, Ms. Frizzle, where she learns about various scientific concepts in a fun and engaging way. In the series, Nellie is portrayed as a supportive friend who enjoys exploring new ideas and sharing her knowledge with others. Her character helps to inspire young readers to develop an interest in science and encourages teamwork and problem-solving among her classmates.