Great scientists（Period 1 Welcome to the Unit ）
s: stephen hawking.ss: ...t: well done.step 6 quizt: you have already known some information about some of the great scientists.now let’s do a quiz, trying to find out who these scientists are.quiz questions1.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 form 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 happened?10.who put forward a theory about black holes?check the answers with the students.1.archimedes 2.charles darwin 3.james watt 4.gregor mendel5.madame curie6.faraday 7.leonardo davinci 8.humphrey davy9.zhang heng10.stephen hawkingt: please work in groups and have a discussion to find as much information as possible about these ten great scientists.(the teacher had better join in the discussion and give them some guidance whenever necessary.after the discussion, ask some students to give a short report about what the group have discussed.)(refer to the information about these scientists below, and various answers are possible.)step 7 practicet: today we have learned a lot about great scientists in the world.we can learn from them to live our dreams.and we teachers are too willing to help you.in your opinion, what should our school /teachers/students do to tap the students’ potential?s: our school should give the students more chances to take part in social practice.s: our teachers should help the students use their imaginations.s: we students should solve the problems on our own.(ask more students to give their opinions.the teacher should encourage them, join them, praise them, and make comments on their ideas.)step 8 discussion (group competition)t: your ideas are so wonderful and amazing.i admire them very much.now let’s come to our topic.topic 1: what can you learn from these scientists?topic 2: what qualities should we have to be a successful man?(give the students several minutes to have a discussion.then let them have a group competition.)step 9 summing up t: in this period, we have talked a lot about great scientists.you have a lot of previous knowledge and you are full of imagination and creativity.those scientists set good examples to us.and i think all of us are happy about learning more of them.after class, it’s better to read some books about them and you can surf the internet to get more information.and i’d like you to make a“scientists album”in the following week.