高中英语必修5Unit1_Great_scientists课件.ppt

Unit 1 Great scientists Warming up;;;Who is he?;Who is he?;What do you know about great scientists? Try this quiz and find out who knows the most.;1.Which scientist discovered that objects in water are lifted up by a force that helps them float?;2. Who wrote a book explaining how animals and plants developed as the environment changed?;;3. Who invented the first steam engine?;;4.Who used peas to show how physical characteristics are passed from parents to their children?;;Marie Curie;The power of radium;Thomas Alva Edison;The Inventions of Thomas Edison ;7.Who was the painter that studied dead bodies to improve his painting of people? ;Last Supper;8.Who invented a lamp to keep miners safe underground?;the Safety Lamp ;9.Who invented the earliest instrument to tell people where earthquakes happened?;10.Who put forward a theory  about black hole?;;Draw a conclusion;;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;1. discover invent invent v. 发明, 发明原先不存在的东西 Who invented the steam engine? 谁发明了蒸汽机? discover v. 发现, 探索或揭示早就客观 存在着事物 Columbus discovered America in 1492. 哥伦布于1492年发现了美洲。 Who discovered radium? 谁发现了镭?;2. explain explain sb. sth. explain sth. to sb. 3. characteristic n./adj. Some genetic characteristics are not obvious. The two groups of children have quite different characteristics. Forgetfulness is often characteristic of aged people.;1)The tradition is ___________ their ancestors. 2) This spirit should be passed ______ from generation to generation. 3) Pass the letter ___ to the person next to you . 4) So many people pass ___ and never notice the change.;5.Who invented the way of giving electricity to everybody in large cities? 是谁发明了把电带给大城市中的每个人的办法? the way of doing sth.= the way to do … “做…..的方法” She showed us the way of cleaning it.= She showed us the way to clean it. 她给我们示范清洗它的办法. the way引导的定语从句的引导词有三种, 可以用that; 可以用in which; 还可以省略.;I don’t like the way _______________ you speak to your father. 我不喜欢你跟你父亲讲话的方式