Physics is a natural science. It is the branch that deals with studying and understanding matter and energy. Topics found in physics studies can include mechanics, calculus, electricity, magnetism, thermodynamics and optics.

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.

Online learning refers to use of electronic media and information and communication technologies (ICT) in education. With online learning one has the flexibility to access their studies at any time and from anywhere they can log on.