Introduction-to-Science sdfga - Copy.pptx

Branches of Science
Science and technology

1. Introduction to Science Science and Technology Inventions that Changed the World Branches of Science

2. WHAT IS SCIENCE? The word SCIENCE comes from the Latin term ‘ scientia ’, which means “to know” Science refers to an organized body of knowledge which people have learned and gained through the use of “Scientific Process”. Science is further described as any systematic field of study devoted to understand better the world and the universe.

3. WHAT IS Technology? The application of scientific knowledge for practical purposes is called technology or applied science. The term technology comes from the Latin words techne, meaning “craft” or “skill”, and logia, meaning “study”.

4. Science and Technology The study of science and technology is very important because it deals with the improvement of the quality of life.

5. Inventions that changed the WORLD

6. 1. WHEELS The invention of the wheel made transport faster and easier for humans, and also brought about a major change in the way of living of Primitive humans. They could also save a lot of travel time and dedicate that time towards other useful activities.

7. 2. Printing Press German inventor Johannes Gutenberg invented the printing press sometime between 1440 and 1450

8. 3.Penicilin It's one of the most famous discovery stories in history. In 1928, the Scottish scientist Alexander Fleming noticed a bacteria-filled Petri dish in his laboratory with its lid accidentally ajar. The sample had become contaminated with a mold, and everywhere the mold was, the bacteria was dead. That antibiotic mold turned out to be the fungus Penicillium, and over the next two decades, chemists purified it and developed the drug  penicillin , which fights a huge number of bacterial infections in humans without harming the humans themselves.

9. 4. Compass The first compass was invented in China during the Han dynasty between the 2nd Century B.C. and 1st Century A.D.; it was made of lodestone, a naturally-magnetized iron ore, the attractive properties of which they had been studying for centuries. However, it was used for navigation for the first time during the Song Dynasty, between the 11th and 12th centuries.

10. 5.Light Bulb The  invention of the light bulb  transformed our world by removing our dependence on natural light, allowing us to be productive at any time, day or night.  Several inventors were instrumental in developing this revolutionary technology throughout the 1800s; Thomas Edison is credited as the primary inventor because he created a completely functional lighting system, including a generator and wiring as well as a carbon-filament bulb like the one above, in 1879.

11. 6. Telephone Several inventors did pioneering work on electronic voice transmission — many of whom later filed intellectual property lawsuits when telephone use exploded — but it was Scottish inventor Alexander Graham Bell who was the first to be awarded a patent for the electric telephone on March 7, 1876 (his patent drawing is pictured above). Three days later, Bell made the first telephone call to his assistant, Thomas Watson, saying " Mr Watson, come here — I want to see you,“.

12. 7. Internet

13. 8.Nails

14. 9. Use of Fire

15. 10. Concrete

16. 11. Magnifying glass

17. 12. Batteries

18. 13. Airplane

19. 14. Refrigerator

20. 15. Vaccines

21. Journal Entry no. 1 What is the relationship between science and technology? How does technology affect the lifestyle of humans?

22. Branches of Science

23. Physical Sciences Chemistry – it deals with the study of the composition, structure, form, and properties of matter. Physics – It deals with the study of matter and energy, including light, sound, electricity, magnetism, radiation, and motion.

24. Earth Sciences Geology – involves the study of origin, history, evolution, and structure of the earth’s crust. It also involves the examination of soil and rocks.

25. Meteorology – study of the atmosphere that focuses on weather processes and forecasting. Astronomy – study of celestial body such as stars, comets, planets, galaxies, and phenomena that originate outside Earth’s atmosphere such as the cosmic background radiation.

26. Life Sciences Biology – it is the study of living organisms and their vital processes. It encompasses all the various aspects of life like the structure and functions of the different organs. Botany – study of plants including the properties and life phenomena\ Zoology – study of all aspects of animal life.

27. Ecology – study about the relationship of living organisms with one another and their interaction with their surrounding

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