Key Points
- Science is a collective knowledge about natural phenomena and events.
- Physics is the fundamental branch of science which deals with matter, energy, space, time, and their mutual relationships.
- There are many sub-fields of Physics, called its branches, such as mechanics, heat, optics, electromagnetism, etc.
- The interdisciplinary nature of Physics refers to the integration and interaction of Physics with other disciplines of science. Some examples are biophysics, astrophysics, geophysics, climate physics, and computational physics.
- Scientific method is a specific and systematic approach for the search of the truth about a natural phenomenon or event. Its steps include observation, hypothesis, experiment, theory, prediction, and law.
- The advancement in scientific knowledge and its applications through various technologies and engineering has changed the outlook of mankind and has made our lives easier and more comfortable.