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1、Inventors and inventions Unit 3 Objective To learn the difference between a discovery and an invention Do you know what are the four inventions in ancient China What are they famous for Newton gravity discovered Benjamin Franklin A lightning flash is electricity discovered Stephenson the train inven
2、ted radium Madame Curie discovered Zhang Heng the seismograph 地动仪 invented How much do you know about the inventors and the inventions Let s have a quiz 1 isn t Thomas Edison s invention A The long lasting practical electric light bulb B The phonograph 留声机 C The practical publicly demonstrated telev
3、ision system 2 is called Father of Car A Rudolf Diesel B Karl Benz C Thomas Edison 3 is called Father of Dynamite 炸药 A Alfred Nobel B Albert Einstein C Alexander Bell 4 Marconi 马可尼 invented the in the world A TV B long distance radio transmission C typewriter 5 invented the first airplane A Wright B
4、rothers B Henry Ford C Benjamin Franklin Look at the pictures What inventions can you think of 1 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 Think Creative Education Hard working Practical ski
5、lls Determination Patience How to be a good inventor What qualities do these successful people have However hard it is they never give up Discussion NEVER GIVE UP I know you re going to make it It may take time and hard work You may become frustrated And at times you ll feel like giving up Sometimes
6、 you may even wonder If it s really worth it But I have confidence in you And I know you ll make it if you try Discuss in pairs which pictures below show inventions and which show discoveries An amphibious car Stephenson s Rocket DNA An amphibious car 2003 This is the first car that can travel safel
7、y 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 being produced for sale This is an interesting modern invention Stephenson s Rocket 1781 1848 George St
8、ephenson 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 Darlington Stephenson was one of the first railway engineers and in 1825 he drove the first train along the line In 1829 came his triumph The s
9、tructure of DNA This was a discovery of Francis Crick and James Watson and published in 1953 These two scientists were the first to show 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 D
10、NA an invention a discovery universal gravitation the electric bulb Compare an invention or a discovery An invention is A discovery is already existing in nature but not yet known finding out something not existing before creating something What s the connection between discovery and invention Disco
11、veries often lead to inventions Work out two rules DiscoveriesInventions 1 Electricity 1 Systems of delivering electrical light and heating to homes and offices 2 Household machines for washing ironing keeping food cold etc 3 Computers telephones television etc Here are some examples DiscoveriesInve
12、ntions 2 The movement of air 1 Airplane jet engines 2 Air balloons etc Machines to help people with serious disease like kidney failure 3 The circulation of the blood 4 X rays 1 Body scanners to see whether you are ill 2 Machines to treat illnesses like cancer In pairs discuss any modern inventions
13、that you know Describe them to your partner and explain how they changed people s lives What are the important inventions of the 20th century Which do you think is the most important one Year InventionInventor s 1902Air conditionerWillis Carrie 1903Gas motored and manned plane Wright brothers 1910Th
14、e first talking film Thomas Edison 1923Television Logie Baird 1928Penicillin Alexander Fleming 1937Photocopier Chester F Carlson 1940Colour television Peter Goldmark 1942 Electronic digital computer American scientists 1945 Atomic bomb American scientists 1950 Credit cardsRalph Schneide 1985 Windows
15、 OS Microsoft Company 1990 World Wide WebTim Berners Lee What are the inventions in the future 1 Electric shoes The heel of these shoes is a machine that makes electricity with every step you take You will never need to buy batteries again Electric shoes Read the following descriptions 2 Inflatable
16、bicycle You will never have to worry about having your bike stolen again If you use our inflatable bike you can simply let the air out and put your bike in a bag Inflatable bicycle 3 Edible chopsticks Never 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 five different flavours Edible chopsticks 4 Nose top computer Are you tired of carrying around a heavy laptop computer Here s the solu
