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人教课标选修8 Unit3 Inventors and inventions Warming up Reading_图文


Unit 3 Inventors and inventions Warming Up& Reading Do you know any inventors and inventions? Why are they famous? Issac Newton discovered gravity Why are they famous? Ben Franklin discovered Lightning is electricity Thomas Edison invented the electric bulb. Why are they famous? Madame Curie discovered radium Why are they famous? Zhang Heng invented seismograph Difference between discovery and invention finding out something A discovery is_____________ existing but not yet known ________________________ creating something An invention is___________ not existing before. ___________________ Please tell whether the following are discoveries or inventions. a discovery. It’s ___________ Mar.15 , 1493 Columbus the New Continent an invention. It’s ________ An amphibious car 水陆两用汽车 an invention. It’s ________ Stephenson’s “Rocket” a discovery. It’s ________ DNA connection between discovery and invention Discoveries electricity the movement of air the circulation of the blood X-rays Inventions electrical light, computers, telephones, television, etc airplane, air balloons, 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 patentTesting solution Finding a problem Thinking of a creative solution Doing research Deciding on the

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