The practice of transforming substances into usable products is called chemical engineering. Studies in this discipline can prepare students for careers in areas such as the chemical, pharmaceutical, energy and petroleum industries.

Courses are individual classes that can be taken at universities, colleges, junior colleges, and trade schools worldwide. For even greater flexibility, many schools also offer online classes. Students can take individual classes or pursue degree programs.

Part time learning allows one to obtain part-time degrees even if one cannot attend school on a full-time basis. One can learn at his or own pace, gradually accumulating credits which count towards final qualification.