1、Unit1 Great Scientists,Warming up What do you know about great scientists? Try this quiz and find out who knows the most.(Finish the Quiz Questions on P1.),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 math
2、ematician&physicist),2.Who wrote a book explaining how animals and plants developed as the environment changed?,Charles Darwin (1808-1882) Britishauthor 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 in
3、to a steam engine 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 (捷克人),5.Who discovere
4、d radium?,Marie Curie (1867-1934) (Polish and French, won two Nobel Prizes),6.Who invented the way of giving electricity to everybody in large cities?,Thomas Edison (1847-1931) an American inventor,7.Who was the painter that studied dead bodies to improve his painting of people?,Last Supper,Mona Lis
5、a,Leonardo da Vinci (1452-1519) Italian artist,8.Who invented a lamp to keep miners safe underground?,Sir Humphry Davy (1778-1829)British,Miniature Miners Safety Lamp,9.Who invented the earliest instrument to tell people where earthquakes happened?,Zhang Heng(78-139) Chinese, invented seismograph,10
6、.Who put forward a theory about black holes?,Stephen Hawking (1942-) a British astronomer,What impress you most in 2003?,SARS,Which person impress you most during the SARS?,What other infectious diseases do you know?,For example: When you eat some seafood,You feel,Maybe you have got _.,Cholera,It wa
7、s John Snow who found out the cause of cholera.,Secretary of Treasury John Snow,BackgroundJohn Snow (1813-1858) was born and worked as a doctor in Great Britain. He was originally an anaesthetist(麻醉师).He was so famous that he became the doctor for Queen Victoria at the births of her many children.,Four outbreaks of cholera in the 1830s and 1840s killed many people in England. In 1854, “the most terrible outbreak of cholera which ever occurred in the kingdom” began.It was so violent and sudden that 127people died in the first three days.,
