What is Science?

The word Science originates from the Latin word Scientia meaning “to know”. Science probably brings many pictures to our mind like fat notebook, an astronomer peering through a telescope, Einstein’s equation scribbled on the board, white lab coats and microscopes. All these images reflects different aspects of science but none of them provides full picture because it has many facets.

Science is a systematic attempt to understand natural phenomena in as much detail and depth as possible, and use the knowledge so gained to predict, modify and control phenomena. Science is exploring, experimenting and predicting from what we see around us. Modern science is typically divided into three major branches:-

  1. Natural sciences (e.g. biology, chemistry, and physics), which study the physical world.
  2. Social sciences (e.g.economics, psychology, and sociology), which study individuals and societies.
  3. Formal sciences (e.g. logic, mathematics, and theoretical computer science), which study formal systems, governed by axioms and rules.

The scientific method involves several interconnected steps:

Systematic observations, controlled experiments, qualitative and quantitative reasoning, mathematical modelling, prediction and verification or falsification of theories.

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