In a natural sciences academic program, many branches of the field might be explored in depth with the goal of observing and learning about nature. Some of these branches may include astronomy, biology, physics, ecology and chemistry.

Tunisia, officially the Republic of Tunisia, is the smallest country in North Africa. It is a Maghreb country bordered by Algeria to the west, Libya to the southeast and the Mediterranean Sea to the north and east. At the university level in Tunisia the first cycle of studies in the academic stream is of two years, which leads to the award of Diploma d’Etudes Universitaires du Premier Cycle.

Online or distance learning refers to the use of electronic media and information and communication technologies (ICT) in education. With online learning, one can access education at any time and from any location with an available internet connection.