6th Class Science Related to Competitive Exam NCERT Summary - Science in Everyday Life

Science in Everyday Life

• Science helps us to acquire knowledge about new things and happenings around us. Rapid development and improvement have come about through science and its various applications. Following are few a scientists with their remarkable discoveries:

Chief Scientists                                    Work

Nagarjuna                                                Indian mathematician; inventor of the digit zero

Edward Jenner                                     Discovered numerous methods to cure diseases

Edward Jenner                                     Discovered the world's first vaccine

Alexander Fleming                             Discovered world's first antibiotic- penicillin—which cured various bacterial infections.

Madame Curie                                      Discovered radium and polonium

Antonie Van                                            Invented the microscope, an instrument,

Leeuwenhoek                                       useful for studying various types of germs, examining the blood and so on.

Louis Pasteur                                        Discovered methods of preserving milk, jam, etc., and pasteurization

Jagadish Chandra Bose                 Studied the sensitivity of plants in detail

• Other Modern Scientists: Sir C. V. Raman, S Ramanujan, S. N. Bose, M. N. Saha, D.N. Wadia, B. Sahni, P. Maheshwari, G. N. Ramachandran, T.R. Sheshadri, Homi Bhabha and Vikram Sarabhai.