In the 1900s, chemical engineering mainly made chemicals. Then it joined with biology, so now it makes more things like plastics, stuff we use daily, fuel, medicine, food, and ways to help the environment. Nowadays, chemical engineers work in almost every job, using science and engineering to change basic stuff into things we need and enjoy. Learn the steps on how to become a chemical engineer and you can open the door to a rewarding career in the world of science and technology.