選修8unit3課件 (2)

1、Unit 3 Inventors and inventions,Warming Up& Reading,Do you know any inventors and inventions,Why are they famous,Issac Newton,gravity,discovered,Activity 1,Ben Franklin,Lightning is electricity,discovered,Why are they famous,Thomas Edison invented the electric bulb,radium,Madame Curie,discovered,Why

2、 are they famous,Zhang Heng,seismograph,invented,Why are they famous,Difference between discovery and invention,A discovery is_ _,An invention is_ _,creating something not existing before,finding out something existing but not yet known,Columbus,the New Continent,Its _,a discovery,Mar.15 , 1493,Acti

3、vity 2,Please tell whether the following are discoveries or inventions,An amphibious car,Its _,an invention,水陸兩用汽車(chē),Stephensons “Rocket,Its _,an invention,DNA,Its _,a discovery,electrical light, computers, telephones, television, etc,connection between discovery and invention,airplane, air balloons,

4、etc,machines to help people with serious disease,machines to treat illnesses (like cancer,connection between discovery and invention,Discoveries often lead to inventions. Inventions are often based on discoveries,stages every inventor must go through,Applying for a patent,Finding a problem,Doing res

5、earch,Testing solution,Thinking of a creative solution,Deciding on the invention,1._ 2._ 3._ 4._ 5._ 6._,Patent office (專利局) 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,Look at the pictures, what inven

6、tions can you think of,Reading The problem of the snakes,skimming,What is the text about,The text is about _ and presents _ and applying for _,the problem of the snakes,the procedures of catching them,a patent,Skimming,1.The purpose of the text is _. to show us how to trap the snakes but not to kill

7、 them B. to tell people how to apply for a patent of the writers new idea C. to introduce the writers new idea of trapping the snakes and her application for a patent D. to tell the readers how to get a new idea and make it a patent,C,Scanning: Find out which paragraph or paragraphs deal with each i

8、nventing process in the passage and find the examples,Catch,harm,approaches,habits,three,The last one,1,2,3,Reading III (7m,4,5,6,7,three,Fill in the _ and filed patent application with the_,8,form,Patent Office,Seize,recognition,1.How did the writer catch the snakes? A. use something the snakes wer

9、e interested to attract them into a trap. B. take their habitat to another place. C. place the snakes at a low temperature for them to sleep and then catch them. D. All the above,C,Comprehending,3.Why did cooling the snakes make them less active? ( ) A. Because snakes are warm-blooded animals. B. Be

10、cause snakes like high temperature. C. Because snakes are reptiles and their body temperature depends on the heat around them,C,2.The writer was successful to catch the snakes in _ attempt. A. the First B. the second C. the third D. every,C,4.Which statement is the TRUE according to the text? A. The

11、 snakes were so sleepy in the second attempt that they couldnt bite the writer at all. B. Your product must be different from everybody elses if you want to receive a patent. C. The writer decided to send her invention to the patent office the moment she succeeded in catching the snakes. D. If an ap

12、plication for your product proves to be valid, you can get a patent immediately,5.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 written by Yao Ming. C. A new way to make dirty water clean. D. A new kind of grass found

13、 in a mountain which can be used as a medicine,C,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 creative steps that the writer takes to catch the snakes without hurting them? Why did cooling make the sn

14、akes less active,Reading IV (5m,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 invent something to catch t

15、he snakes without hurting them at the same time,3.What are the three creative steps that the writer takes to catch 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 t

16、he snakes habitat during the day so that the snakes would become sleepy and could be easily caught,Step 2: As 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

17、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 snake would make them even less active and easier to catch,1)You are able to prove that

18、you were the first person to make the invention,What might be the advantages of getting a patent,comprehending,2)You are recognized as a real inventor,3)You can make money if you sell your invention to others,What should we learn from this text,We can learn from the text the way of doing scientific

19、researches and how to apply for a patent. We can also learn that it takes an inventor great determination and persistence to achieve his or her ambition and persistence to achieve his or her ambition in life,Discussion,What good qualities should an inventor have,creative curious patient imaginative hard-working adventurous challengeable,Thinking,Apply what we learn,In pairs look at the following problems. Choose one and use the scientific stages to design a new inventi