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1、Warming up,Unit 1 Great Scientists,Archimedes,Charles Darwin,Thomas Newcomen,Who are they?,Marie Curie,Leonardo da Vinci,Thomas Edison,Who are they?,1.Which scientist discovered that objects in water are lifted up by a force that helps them float?,Archimedes(287-212 BC)an ancient Greek mathematician
2、&physicist,2.Who wrote a book explaining how animals and plants developed as the environment changed?,Charles Darwin(1808-1882)British author of The Origin of Species,3.Who invented the first steam engine?,Thomas Newcomen(1663-1729)British,improved the first steam pump and turned it into a steam eng
3、ine for taking water out of mines in 1712.James Watt improved it and turned it into the first modern steam engine used on the railways.,4.Who used peas to show how physical characteristics are passed from parents to their children?,Gregor Mendel(1822-1884)Czech,The theories of heredity(遗传)attributed
4、 to Gregor Mendel,based on his work with pea plants.,5.Who discovered radium?,Marie Curie 1867-1934)Polish and French,In 1898 she discovered radium.She received two Nobel prizes,one(with Pierre Curie)for physics(1903)and one for chemistry(1911).,6.Who invented the way of giving electricity to everyb
5、ody in large cities?,Thomas Edison(1847-1931)an American inventor.In 1882 he designed a system for providing New York with electricity from a central power station.This was a tremendous achievement.,The Inventions of Thomas Edison,Phonograph 留声机,Lightbulb,7.Who was the painter that studied dead bodi
6、es to improve his painting of people?,Leonardo da Vinci,Italian(1452-1519)He was a famous artist whose skill for showing human skin tones made his paintings seem to come alive.He used to study dead people in order to make his paintings as accurate as possible.,the Last Supper,Mona Lisa,8.Who invente
7、d a lamp to keep miners safe underground?,Sir Humphry Davy,British(1778-1829)He did research into different gases and discovered the medicinal value of nitrous(麻醉)oxide(氧化物)In 1815 he developed a safety lamp for miners.The safety helmet made working underground very much safer.,the Safety Lamp,9.Who
8、 invented the earliest instrument to tell people where earthquakes happened?,Zhang Heng(78-139)Chinese,invented seismograph,10.Who put forward a theory about black holes?,Stephen Hawking,British(1942-)He has worked in astronomy and studied black holes in space.He has shown that black holes do not on
9、ly absorb everything around them but,from time to time,throw out matter as well.,Big Bang（大爆炸）Black Hole（黑洞）A Brief History of Time（时间简史）,遗传学 电浮力定理 镭进化论 画家 蒸汽机矿工安全灯黑洞理论地动仪,阿基米德 Archimedes达尔文 Charles Darwin纽科文 Thomas Newcomen孟德尔Gregor Mendel居里夫人Marie Curie爱迪生Thomas Edison达芬奇Leonardo da Vinci汉弗来.戴维爵士Sir Humphry Davy张衡Zhang Heng斯蒂芬.霍金 Stephen Hawking,Thank You,
