Unit-3-Inventors-and-inventions-P1-Warming-up课件-优质公开课-人教选修8精品

1、Unit-3-Inventors-and-inventions-P1-Warming-up课件-优质公开课-人教选修8精品Unit-3-Inventors-and-inventionUnit-3-Inventors-and-inventions-P1-Warming-up课件-优质公开课-人教选修8精品ObjectiveTo learn the difference between a discovery and an invention.ObjectiveTo learn the differenDo you know what are the four inventions in anci

2、ent China?Do you know what are the four What are they famous for?NewtongravitydiscoveredWhat are they famous for?NewtoBenjamin FranklinA lightning flash is electricity.discoveredBenjamin FranklinA lightning fStephenson the traininventedStephenson the traininventedradiumMadame CuriediscoveredradiumMa

3、dame CuriediscoveredZhang Heng the seismograph地动仪 inventedZhang Heng the seismographinveHow much do you know about the inventors and the inventions? Lets have a quiz.How much do you know about the1. _ isnt Thomas Edisons invention. The long- lasting, practical electric light bulbB. The phonograph(留声

4、机) C. The practical, publicly demonstrated television system 1. _ isnt Thomas Edisons 2. _ is called “Father of Car”. A. Rudolf Diesel B. Karl Benz C. Thomas Edison2. _ is called “Father of 3. _ is called “Father of Dynamite (炸药)”. A. Alfred Nobel B. Albert Einstein C. Alexander Bell3. _ is called “

5、Father of4. Marconi (马可尼) invented the _ in the world. A. TV B. long distance radio transmission C. typewriter 4. Marconi (马可尼) invented the 5. _ invented the first airplane. A. Wright Brothers B. Henry Ford C. Benjamin Franklin5. _ invented the first airLook at the pictures. What inventions can you

6、 think of? Look at the pictures. What inv1 How do people come up with ideas for new inventions? 2 Are some people born creative? 3 Is it possible to learn how to be creative? How can we be creative?Think1 How do people come up with iCreative Education Hard-working Practical skills DeterminationPatie

7、nce How to be a good inventor?Creative How to be a good inveWhat qualities do these successful people have?However hard it is, they never give up.Read a poem below.DiscussionWhat qualities do these succes NEVER GIVE UPI know youre going to make it.It may take time and hard work.You may become frustr

8、ated,And at times youll feel like giving up.Sometimes you may even wonder If its really worth it.But I have confidence in you,And I know youll make it, if you try. NEVER GIVE UPDiscuss in pairs which pictures below show inventions and which show discoveries. An amphibious carStephensons “Rocket”DNAD

9、iscuss in pairs which pictureAn amphibious car (2003)This is the first car that can travel safely on water and on land. When moving on water, the wheels of the car turn sideways and move into the body. The underneath of the car is strong enough to sail as a boat. It is a prototype and is not yet bei

10、ng produced for sale. This is an interesting modern invention.An amphibious car (2003)This iStephensons “Rocket” (1781-1848) George Stephenson was one of the first men to design engines for the railways which were new at that time. One of the first tracks to be laid was between Stockton and Darlingt

11、on. Stephenson was one of the first railway engineers and in 1825 he drove the first train along the line. In 1829 came his triumph.Stephensons “Rocket” (1781-18The structure of DNAThis was a discovery of Francis Crick and James Watson and published in 1953. These two scientists were the first to sh

12、ow that our genes consist of two spirals of DNA (called the double-helix). This work led directly to the human genome project in 2003, which discovered the structure of DNA.The structure of DNAThis was aan inventiona discoveryuniversal gravitationthe electric bulbCompare: an invention or a discovery

13、 an inventiona discoveryuniversAn invention is _. A discovery is _ _ _.already existing in nature but not yetknownfinding out somethingnot existing before creating somethingWhats the connection between discovery and invention?Discoveries often lead to inventions.Work out two rules:An invention is _D

14、iscoveriesInventions1 Electricity1 Systems of delivering electrical light and heating to homes and offices2 Household machines for washing, ironing, keeping food cold, etc3 Computers, telephones, television, etcHere are some examples.DiscoveriesInventions1 ElectriDiscoveriesInventions2 The movement

15、of air1 Airplane jet engines2 Air balloons, etcMachines to help people with serious disease (like kidney failure) 3 The circulation of the blood4 X-rays1 Body scanners to see whether you are ill2 Machines to treat illnesses (like cancer)DiscoveriesInventions2 The mov In pairs discuss any modern inve

16、ntions that you know. Describe them to your partner and explain how they changed peoples lives. In pairs discuss any modernWhat are the important inventions of the 20th century? Which do you think is the most important one?What are the important inventiYear InventionInventor (s)1902Air conditionerWi

17、llis Carrie 1903Gas-motored and manned planeWright brothers1910The first talking filmThomas Edison1923Television Logie BairdYear InventionInventor (s)1901928Penicillin Alexander Fleming 1937PhotocopierChester F. Carlson1940Colour television Peter Goldmark1942Electronic digital computerAmerican scien

18、tists 1928Penicillin Alexander Flemi1945Atomic bomb American scientists1950Credit cardsRalph Schneide1985Windows OSMicrosoft Company1990World Wide WebTim Berners-Lee1945Atomic bomb American scienWhat are the inventions in the future?What are the inventions in the1. Electric shoesThe heel of these sh

19、oes is a machine that makes electricity with every step you take. You will never need to buy batteries again.Electric shoesRead the following descriptions.1. Electric shoesElectric shoe2. Inflatable bicycleYou will never have to worry about having your bike stolen again. If you use our inflatable bi

20、ke, you can simply let the air out and put your bike in a bag.Inflatable bicycle2. Inflatable bicycleInflatabl3. Edible chopsticksNever throw away or wash chopsticks again. These chopsticks are both delicious and environmentally friendly. Save trees and have a snack at the same time they come in fiv

21、e different flavours.Edible chopsticks3. Edible chopsticksEdible cho 4. Nose-top computer Are you tired of carrying around a heavy laptop computer? Heres the solution: the new nose-top computer fits comfortably on your nose and weighs less than a pair of glasses. Use the keyboard vest when you want to type something.Nose-top computer 4. Nose-tDo you know the stages every inventor must go through before they can have their invention approved? Inventing is a scientific activity and so follows similar stages to those used in scientific research. Do you know the st