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1、人教新课标必修8 Unit 3 Inventors and inventions,Warming up and Reading I,Period 1&2 Warming up and Reading I,Unit 3 Inventors and inventions,Warming up:,In groups, discuss the inventions you know and then make a list.,Warming up-I (4m),Do you know what these inventions are and when did they happen?,Telepho
2、ne 1876,television 1923,colour television 1940,photocopier 1937,air conditioner 1902,electronic digital computer 1942,Atomic bomb 1945,Credit cards 1950,Penicillin 1928,Among the inventions above, which invention do you think is the most important one? Why?,Warming up II (2m),What is an invention?,A
3、n Invention is something that is created by a human being. Inventing is a scientific activity.,Warming up-III (2m),What is a discovery?,A discovery merely makes known something that already existed in nature.,Look at the pictures below and discuss in pairs which pictures show inventions and which sh
4、ow discoveries.,Pre-reading I (4m),An 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 y
5、et being produced for sale. This is an interesting modern invention.,Stephensons “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 Darlington. Stephenson was one
6、of the first railway engineers and in 1825 he drove the first train along the line.,The structure 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). T
7、his work led directly to the human genome project in 2003, which discovered the Structure of DNA.,Do 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
8、. Look at the list and work out a suitable order.,Applying for a patent Finding a problem Doing research Testing the solution Thinking of a creative solution Deciding on the invention,Pre-reading II (3m),The suitable order:,Finding a problem,Doing research,Thinking of a creative solution,Testing the
9、 solution,Deciding on the invention,Applying for a patent,Patent office (专利局) plays the role of deciding what is an invention and what is not. And only inventions can get patens and so be recognized and protected.,patents,Reading The problem of the snakes,Skim the whole passage and get the main idea
10、:,The text narrates _ and presents _ and applying for _.,the problem of the snakes,the procedures of catching them,a patent,Reading-I(3m),Divide the text into four parts and work out the main idea for each paragraph.,Part I Part II Part III Part IV,(Para.1),The discovery of the problem of the snakes
11、.,(Paras2-3),The research on the approaches to solve the problem.,(Para. 4-6),The attempts to catch the snakes.,(Para.7-8),The requirement of getting a patent.,Reading II (5m),Scanning: Find out which paragraph or paragraphs deal with each inventing process in the passage and find the examples:,remo
12、ved,harmed,methods,habits,three,one,1,2,3,Reading III (7m),4,5,6,7,three,efficiently,Fill in the form and filed patent application with the Paten Office,Detailed reading:,Answer the following questions:,What was the mother upset about? Why was the writer happy to help her mother? What are the three
13、creative steps that the writer takes to catch the snakes without hurting them? Why did cooling make the snakes less active?+ Discuss with your partner what the advantages might be of getting a patent.,Reading IV (5m),What was the mother upset about?,2. Why was the writer happy to help her mother?,Th
14、e 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 invent something to catch the snakes without hurting them at the same time.,3.What are the three creative steps that the writer takes to ca
15、tch the snakes without hurting them?,Step 1: She bought a stainless steel ice cream maker and froze the bowl. She added ice cubes to the top of the bowl to keep it cold. She placed it over the snakes habitat during the day so that the snakes would become sleepy and could be easily caught.,Step 2: As
16、 above she did the same but placed the bowls over the snakes habitat in the evening.,Step 3: As above but added a net to catch the snakes.,4. Why did cooling make the snakes less active?,Snakes do not have a way of keeping warm in their bodies. They get warmth from the sun and become more active at this time. When the sun goes down at night they cool down and become less active. So extra cooling to the snak
