Unit 18 Inventions(SeniorⅡ).docx
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1、Unit 18 Inventions(Senior II)Zhang YuPeriod 1 Warming up, listening and speakingI Teaching Aims:Talk about inventions.Practise describing inventions.II Teaching Focuses :Expressions of describing inventions:HI Teaching Methods: Listening, speaking and talking.IV Teaching Aids: A multimedia computer
2、and a tape recorder.V Teaching Procedures :Step 1: Lead- inShow the pictures of the four ancient inventions to the students? Ask: What do we need if wewant to invent something? (imagination and creation )Step 2: Warming upDescribe some objects to the students and ask them to guess what it is. At the
3、 same time,get the students to pay attention to the ways of describing an object.This invention is made of metal. It is powered by an engine.It looks like a bird. It makes it possible fbr people to fly to different places in the world.This is an invention which can help people in the streets, especi
4、ally in the big cities.Sometimes, it looks like a tree standing beside the street. It directs cars & trucks at crossing.It has colored lights; red means stop; green means go.Step 3: ListentingListen and fill in the blanks to explain why the inventions are not given the patents.Dialogue 1 :1 .Travel
5、without, doesn,t need any, no.1.1 t powered by the person who use it by pushing it with.3.It is a vehicle with wheels instead of.4.Because the vehicledescribed by the man has already been invented-it aDialogue 2l.He invented a device for helping people 2.He got the idea when he saw3.If you put the b
6、ags into a large bucket of,the bags will and you wont have tocarry them4.Because his idea doesn7t work-you would still have to carry!Step 4: SpeakingNow its your inventing time.The name of your invention.Show a simple picture.Report the invention to us.Prepare the patent offers questions to manage t
7、o ask for a patent.The following sentence may help you.A patent officer: What the use of it? What does it look like?Whats it made of? How to use it? How much does it cost?Is it environmentally friendly How is it different from others? An inventor: It can help people. It looks like. Its made of. This
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