Unit 1　Great scientists

　　Period 1　文本研读课

　　学习目标

　　1.Learn about the inventions and scientists.

　　2.Develop the reading skills and improve reading speed.

　　3.Understand that scientific ways in dealing with the problems.

　　学习过程

　　Step 1:Lead-in

　　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?

　　5.Who discovered radium?

　　6.Who invented the way of giving electricity to everybody in large cities?

　　7.Who was the painter that studied dead bodies to improve his painting of people?

　　8.Who invented a lamp to keep miners safe underground?

9.Who invented the earliest instrument to tell people where earthquakes