英语口语之科技改变生活市公开课金奖市赛课一等奖课件

1、Technology change our life第1页10 inventions that changed the world 1.Electricity It is true thatBenjamin Franklinholds the title as thefather of electricity, but his invention and discovery was life threatening because he has demonstrated it through the natural lighting using lightening rod that coul

2、d had caused his life in order to see the electric flow. Hence, there are others who triggered, and did study who had prepared documents and books in order to catch the whole process and technicalities of electric power. Everything in the modern world depends on electricity.第2页Electricity Can you im

3、agine the world without electricity ?1.NO TV, No cell phone2. Play games outside, and use our imaginations more.3. Transport would be steam-driven, animal-driven or human-powered.4. Lighting would be by flames,candles or lanterns.5. Work was all manual. 6. No Computer to read this.7.第3页2. Light Bulb

4、 Who would ever forget the creation of Thomas Alva Edison of an electric light called bulb in 1879 which has caused one of the biggest changes in the world not just to households, but in running all businesses in the world. It was patented on January 27, 1880, wherein it categorically classified as

5、the first practical light. 第4页3. Refrigerator William Cullen was the first person who initiated and introduced artificial refrigeration in 1748 which he has demonstrated at the University of Glasglow. Oliver Evans improved it when he invented the first refrigeration machine in 1805, and in 1834, the

6、 first practical refrigerator was made by Jacob Perkins, then an improvement was done by John Gorrie which he has based from Oliver Evans fridge. 第5页4. TelevisionIn 1922 an British engineer named Logie Baird fixed the first TVset in his lab ,and thanks to him,Peoples spare time become rich and colou

7、rful .第6页5. Automobile Based on the history, Karl Benz was the first modern inventor of automobile in 1886. Nonetheless, in 1672, the first steam-powered vehicle was designed and introduced by Ferdinand Verbiest while in 1769, the self-propelled mechanical vehicle was invented by Nicolas Joseph Cugn

8、ot, then in 1807 the first internal combustion engine(内燃机) was made by Nicephore Niepce. In 1881, a 3-wheeled vehicle came into the picture through Gustave Trouve and lastly, Karl Benz from Germany developed his very own four-stroke cycle gasoline engine. In 1893, the first gas-powered car was inven

9、ted by Charles Edgar Duyea along with his brother, Frank.第7页6. Printing Press Johannes Guttenberg was the known inventor of printing press. He was a known businessman and goldsmith in Germany. Everything began when he borrowed specific sum of money in order to invent something that would change the

10、perspective, and flow of printing wherein the original printing press was composed of moveable or replaceable wooden or metal letters which done in 1440. Although, various improvements were made, but definitely, his creation has triggered to what the technology has to offer in the society today.第8页7

11、. Radio There were people who had made studies, and research with regards to radio transmission. They are James Clerk Maxwell, Heinrich Hertz, Guglielmo Marconi and this became possible through wireless telegraphy. Nonetheless, majority of the developments and discoveries were done by Guglielmo Marc

12、oni who had concocted the wireless transmission, and Mr. J. Vincent Waine who designed the transmitting & receiving equipment.第9页8. Flight and Aviation It began with kites and gliders to check for calculation of the length of the tunnel, then later on, the discovery of hydrogen that pave the way to

13、the creation of balloons. There were series of attempts prior to serious study of Leonardo da Vinci in 1485 about flight wherein he represented it through drawings. Later on hot air balloons were created by Joseph Michael and Jackson Montgolfier. By 1799 to 1850s, gliders were invented by the father

14、 of aerodynamics, George Cayley. The Wright Brothers:Wilbur and Orville Wright. They called their first plane the flying machine. 第10页9. Telephone & Telegraph Because of the ingenious mind of a 29-year old man in 1876, the first telephone was invented by none other than, Alexander Graham Bell and wi

15、th the assistance of Elisha Gray who had made the design of transmission of communication done through an electronic device. 第11页10. Computer In fact, it started with a simple abacus which served as an aid for computation. Indeed, from the world itself, computer comes from the root wordcompute. By 1

16、822, Charles Babbage steam driven calculating machine which was also known as Difference engine where two important components called as store and mill composed of an Analytical engine which are known today as CPU and memory unit. Harvard Mark I in 1944, then flow-matic, cobol in 1953, and in partne

17、rship with IBM, the IBM stretch computer in 1959, and an Apple Computer 1 in 1976 wherein various integrations were added, until monitor, and other devices were created to make it more useful than just for the purpose of computing.第12页Changes for Your WorldNew technology helps to save time and human

18、 labor.New Technology brings more ways of entertaining.New technology shortens the distance and brings the whole world together.第13页1. Transportation1.Make long-distance trip possible.2. Make the trip more convenient.3. Shorten the time on the road.第14页2.Communication Before: 1.Write letters, gettin

19、g no response until weeks later 2. pass hand-written notes to friends in class Now:E-mails.Instant messages.QQ, Wechat, or other communication tools. Social network websites to know strangers.1.More convenient to contact each other2.Shorten the distance.第15页3.WorkPotentially labor saving technological devicesWorking from everywhere, SOHO.Enhanced Flexibility and CapabilityIncreased Efficiency第16页4.Study1.Resources: Access virtually all information that is publicly available from the comfort of their homes.2. Speed: Gain access to information in far quicker