课件43张PPT。Inventors and Inventionsthe four great inventionspaper-makingprintingcompassgunpowderThe Four Great Inventions of Ancient China What are they famous for?NewtongravitydiscoveredBenjamin Franklin electricity.discoveredradiumMadame CuriediscoveredZhang Heng the seismograph 地动仪 invented A seismograph is an instrument for recording and measuring the strength of earthquakes.1. _____ is called “Father of Car”. A. Rudolf Diesel B. Karl Benz C. Thomas Edison2. ___ is called “ Father of Dynamite （炸药）”. A. Alfred Nobel B. Albert Einstein C. Alexander Bell 3. ____ invented the first airplane. A. Wright Brothers B. Henry Ford C. Benjamin Franklinwhich pictures below show inventions and which show discoveries?An amphibious carStephenson’s “Rocket”DNAIs it a discovery or an invention?An amphibious carAn interesting modern inventionA great inventionDNAA discoveryFrancis Crick and James Watson discovered DNA in 1953. The human genome project(2003) 人类基因组工程 # the structure of DNA # China analysed 1% of the human genome. # genome :基因图谱 基因组An invention is _____ _____. A discovery is _____ _____.existing in nature but not yet knownfinding out something alreadynot existing before creating somethingWhat’s the connection between discovery and invention?Discoveries often lead to inventions.Work out two rules: Thomas Edison invented the electric bulb.Electricity electric bulb 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 shoesYou 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 bicycleNever 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 chopsticksstages every inventor must go through:Applying for a patentFinding a problemDoing researchTesting the solutionThinking of a creative solutionDeciding on the invention1._____ 2._____ 3._____ 4._____ 5._____ 6._____Pre-reading: What if some snakes in your yard… What should the writer do? The problem of the snakesDivide the text into four parts and work out the main idea for each paragraph according to order.Part I Part II Part III Part IV(Para.1)The discovery of the problem of the snakes.(Paras.2-3)The research on the approaches to solve the problem.(Paras.4-6)The attempts to catch the snakes.(Paras.7-8)The requirement of getting a patent.Reading for organizationSkim the whole passage and get the main idea:Reading for main idea The text narrates the problem of the snakes and presents the procedures of catching them and applying for a patent.What was the mother upset about? 2.Why was the writer happy to help her mother? The mother was upset because a family of snakes has made their home near the houseThe writer was happy because it gave her an o ... ...
