1、Inventors Inventors and inventionsand inventionsUnit 3Newtongravitydiscovered Q1:The difference between a discovery and an invention?Zhang Heng the seismograph地动仪 inventedAn invention is _.A discovery is _ _ _.already existing in nature but not yetknownfinding out somethingnot existing before creati
2、ng somethingWork out two rules:Work out two rules:Q2:Do you know what are the four inventions in ancient China?compasspowderpapermakingprintingHow much do you know about the forineign ventors and the inventions?Lets have a quiz.1._ isnt Thomas Edisons invention.A.The long-lasting,practical electric
3、light bulbB.The phonograph(留声机)C.The practical,publicly demonstrated television system 2._ is called“Father of Car”.A.Rudolf Diesel B.Karl Benz C.Thomas Edison3._ is called“Father of Dynamite(炸药)”.A.Alfred Nobel B.Albert Einstein C.Alexander Bell5._ invented the first airplane.A.Wright Brothers B.He
4、nry Ford C.Benjamin FranklinLook at the pictures.What inventions can you think of?submarine Reading ReadingTHE PROBLEM OF THE SNAKESRead the passage quickly to find the main idea of each part.Divide the text into four parts and work out the main idea for each part.Part I Part IIPart IIIPart IV(Para.
5、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.SkimmingReading Comprehension II1.How many possible approaches did the author decide on catching snak
6、es?A.Two B.Three C.Four D.Five2.The writer succeeded in catching the snakes in the _ attempt.A.first B.second C.third D.fourthScanning to get detail information1.In this passage,the writer wants to encourage the readers to consider carefully the problems in daily life.2.The writer was successful in
7、catching the snakes using the second approach3.An inventor can easily get the patent for the invention.T or FT or F scanningReading Comprehension III_4.The writer collected the passive snakes at his third attempt.5.If you have a scientific theory or mathematical model,you can get a patent(专利专利).6.If
8、 your inventions pass the test,your application for a patent will be published 17 months from the date you apply.scanningReading Comprehension IV1.How did the writer catch the snakes?A.Using something to attract the snakes into a trap.B.Taking their habitat to another place.C.Cooling the snakes so t
9、hat they became sleepy.D.All the above.2.What instruments were used for catching the snakes?A.A bowl,ice-cubes,male perfumeB.A bowl,a bucket,female perfumeC.A small net,ice-cubes,a bucketD.A small net,a bucket,powders3.The biggest advantage of the writers new idea is that _.A.it makes the snakes mov
10、e slowlyB.it makes the snakes hardly bite usC.it is easier for us to kill the snakes without hurting ourselvesD.it is easier for us to catch the snakes without killing them4.According to the text,which subject do you think can be given a patent?A.A new star discovered by a scientist.B.A new novel wr
11、itten by Huo Da.C.A new kind of grass found in a mountain which can be used as a medicine.D.A new way to make dirty water clean.Read the passage and answer the following questions:1.What was the mother upset about?2.Why was the writer happy to help her mother?3.How many stages are needed in making a
12、n invention?What are they?scanningReading Comprehension V1.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 had made their home near the house.The writer was happy because it gave her an opportunity to help her mother and i
13、nvent something to catch the snakes without hurting them at the same time.the stages in making an inventionParagraph Stages in the inventing process1234,5,67Find a problemDo researchThink of a creative solutionTest the solution several timesApply for a patentApply what weve learned:Apply what weve l
14、earned:In groups look at the following problems.Choose one and use the scientific stages to design a new invention to solve it.DiscussionProblem 1:The ripe apples on your apple tree are too high for you to reach.What can you invent to pick the apples in comfort?Problem 2:You need to make a house but you only have strings,glue,fishing nets and many plastic bottles.How can you solve it?Problem 3:You want to catch fish but not hurt them when you do so.Design a fishing tool that will solve this problem.
