The word science comes from the Latin word “scientia” which means “knowledge”. [pic] It is a broad field of human knowledge concentrated with facts which are logically explained by rules, regulations and principals. The word science always lives with us. The people who study science are known as “scientists”. They perform chemical reaction and invent different objects which help us to make our life easier than before. They include A.C’s, refrigerators, cars, scooters, etc.[pic][pic] But the very high-tech technology nowadays is been using by the people tremendously. We know these technologies are very useful but it is making the people lazy. We should avoid this laziness and use the machines in a limit. [pic] The biggest achievement of human knowledge is computer and mobiles. Before, we were writing letters and after some time getting the reply. But nowadays scientists had made mobiles with which we can talk to any person. The scientist named “Thomas Alva Edison” had made electricity which is now very useful to all human beings. [pic] “Charles Babbage” was the well – known scientist and his biggest invention is computer. And since 1992 we were provided with the facility named “internet” by Tim Burners Lee [pic]which is provided with world wide information. [pic] But there are some harmful things with these inventions. The machines like refrigerators and air-conditioners are releasing CFC”s (Chloro Floro Carbon) which can cause lung cancer. The smoke from factories and old vehicles are polluting atmosphere and making environment dirty.