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1、Unit 4 Amazing Science Topic 1 Section DLearning aims.1、Grammar：The radio was invented by Guglielmo Marconi in 1895.When was the digital camera developed?It was developed in the 1970s.Where was it developed?It was developed in Japan.What is a rocket used for?Its used for sending satellites or spaces
2、hips into space.2、Functions：I wish I could go into space some day.I hope you dream will come true.Its said that he invented more than two thousand things during his life.Inventing is interesting and exciting and everyone can be an inventor.3、New words：explorer, mark, system, man-made.自主预习：1、预习新单词：ex
3、plorer/ /_ _mark/ /_ _system/ /_ _man-made/ /_ _2、根据句意及所给汉语提示，完成下列句子。Whats the _ of your schoolbag? Its round.Prices are _(标识) on the goods(商品).Could you _(指引) us to the History Museum?Sure. This way, please.We _ this beach while we were sailing around the island.Fax machines were a wonderful _(发明)
4、at the time.合作探究：Turn to Page 87. Look at the passage.1、Read the passage and discuss the questions on Page 88.2、Let the Ss read the passage again, check the answers.3、Let the Ss discuss the following sentences：a. The early explorers found that the stars in the sky were good guiding marks.b. This met
5、hod worked well at night as long as the weather was good and the stars could be seen.c. The problem has been solved by the Global Positioning System.d. It can also be used to study the shape of the earth.e. The GPS is a great invention that helps us explore our planet and discover where we are.当堂评价：
6、Describe Kangkangs inventation.Turn to Page 88. Look at the information and the picture.1、Discuss with the partners. Then describe it to the class.2、Then ask the Ss to design a inventation, draw their inventations pictures and write down the in for mation about it.3、Then ask them to describe to the class.Exercises：同步练测考Section D。2