Science is the systematic study of knowledge. The present era is the era of science. Science has undoubtedly done a great service to mankind. Man, a rational being, has been curious to explore mysteries of nature and this led to many discoveries being made in various part of the world. But he is never satisfied with the acquired knowledge and is always keen to unravelle mysteries of the universe. He has conquered the land and air. His incredible lust for knowledge has revolutionised human life and raised the standard of life. He was able to invent innumerable ways of making his life comfortable and happy. Every sphere of life has been revolutionised by science. Science is all about innovation. You can now it has become the part of human life. It is mainly divided into three parts: Physics, chemistry and biology. Physics is the branch of science that deals with the natural phenomena.
Chemistry is the branch of science which deals with the composition of matter and also the physical and chemical characteristics associated with the different material objects.
And biology is the branch of science which deals with the living organisms.
Science makes the things easier. Technology is great advantage of science. But as you "everything good has bad thing hidden in it" similarly science is also having disadvantages . Many activities done by the science causes pollution like environmental pollution, water pollution, air pollution etc. That's why it has been said that if you know the proper use of science then it is boon for you, otherwise it is a curse. " Play with science, understand it properly and conceptually then you'll be able to take the benefits of science"