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.

A certificate is proof of qualification of a certain set of skills. Students who obtain a certificate have completed educational requirements and tests. Through completion, they become ready to pursue a degree or diploma, or to head into the professional world in their field of expertise.

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.