课件30张PPT。Unit 3EdisonZhang HengNobelStephensonBenzInventors
and
InventionsLight bulbEdisoninventedZhang HenginventedseismographNobelinventeddynamiteBenzinventedcarStephensoninventedSteam enginestages every inventor must go throughApplying for a patent（专利）Finding a problemDoing researchTesting the solutionThinking of a creative solutionDeciding on the invention1.___________________________
2.___________________________
3.___________________________
4.___________________________
5.___________________________
6.___________________________ReadingThe Problem
Of
The SnakesSkimming ：Fill in this form1234,5,67,8Detailed reading:Para 1: find a problemWhy was the writer happy to help her mother?Because it gave her an opportunity to help her mother and invent something to catch the snakes without hurting them at the same time . Para 2: do researchThe writer looked for ____________ that might help her and research the ____________ of snakes.productshabitsPara 3: think of a creative wayWhat’s the writer’s way to catch the snakes?to cool the snakes so that the snakes would become sleepy and could be easily caught.Why did cooling the snakes make them less active? ( )
A. Because snakes are warm-blooded animals.
B. Because snakes like high temperature.
C. Because snakes are cold-blooded animals and they usually hibernate(冬眠) in winter.Para 4-6: Test solutionice-cream makerFreezeice-cubesThe next
morningthe frozen bowlthe ice-cubesa bucketdisappearedIn the
eveningsleepybitenetpassivereleasePara 7-8: apply for a patentT or F2. your product must be different from everybody else’s if you want to receive a patent.1. An inventor can easily get the patent for the
invention.3. If your inventions passes the test, your application
for a patent will be published 17 months from the
date you apply.FTFPost reading:stages every inventor must go throughFinding a problemDoing researchThinking of a creative solutionTesting the solutionDeciding on the inventionApplying for a patent（专利）group workTry to think out ways to stop your thermos from being taken wrongly by strangersThank you !
