What is Science ?

First of all Let me tell you the real meaning of Science. so, The word Science has been derived from the Latin word scientia, meaning "Knowledge" 

In Simple word we can say that Science is a study of behaviour of nature , how our environment is work ? . How Scientific Laws are Governing us in this Earth. ?

Description .. 

The earliest root of science can be traced to Ancient Egypt and Mesopotamia in around 3500 to 3000 BCE. Their curiosity towards nature's behaviour, working of environment 

resulted to the evolution in the field of scientific education . The Contributed a lot in fields such as Mathematics, Astronomy and medical sciences .

Now In  Modern Science, The sciences is divided into three parts

1 - Physics

2- Chemistry

3- Biology