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Warming up,Unit 3 Inventors and inventions,How can you divide 13 oranges among 9 children fairly?,make orange juice,Creativity,How to be a good inventor?,Creative Education Hard-working Practical skills Determination Patience ,Curious,Creative,Persevering,In groups, discuss the inventions you know and then make a list.,telephone 1876,airplane 1903,television 1923,colour television 1940,photocopier 1937,air conditioner 1902,electronic digital computer 1942,atomic bomb 1945,credit cards 1950,Penicillin 1928 (青霉素),X-ray 1960,Among the inventions above, which invention do you think is the most important one? Why? How did they change peoples daily lives?,Discussion,A discovery,An invention,= =,A discovery,An invention,1 Look at the pictures below and discuss in pairs which pictures show inventions and which show discoveries.,an amphibious car,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 yet being produced for sale. This is an interesting modern invention.,Stephensons “Rocket”,George Stephenson was one of the first men to design engines for the railways which were new at that time. It was a great invention.,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). This work led directly to the human genome project in 2003, which discovered the Structure of DNA.,Work out the rules that will help you decide what a discovery is and what an invention is.,An invention is _ _.,A discovery is _ _.,existing in nature but not yet known,finding out something already,by human beings not existing before,something that was created,an invention,a discovery,universal gravitation,the electric bulb,Now give some examples of discoveries and inventions.,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,The movement of air,1. Airplane jet engines 2. Air balloons, etc,Machines to help people with serious disease,The circulation of the blood,X-rays,1. Body scanners to see whether you are ill 2. Machines to treat illnesses (like cancer),discovery make a discovery discover discoverer,发现 作出一项发现 vt. 发现; 发觉; 找到 n. 发现者,Explanation,Find more information about the great Chinese inventions (printing, paper, the compass and gunpowder).,Homework,
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