人教版unit4-A-visit-to-the-教学讲解课件.ppt

1、.Using Language&Reading Task秦玉玲.Changes legendWarming up.A visit to the moonThe natural force that causes an object to move toward the centre of the earth.GravityWhy the moon goes around the earth?.Isaac NewtonAlbert EinsteinStephen HawkingGravity.A visit to the moon.Fast reading Last month I made a

2、 _ into space by _ with my friend,an _.I learned much more about _.Sum up the main idea of the text.tripspaceshipastronomergravity.Careful readingLeaving the earth for the moonQ1:How many times would the force of gravity change on our journey?Which change would be the most powerful?Three times,the f

3、irst time.On the moonThe change of gravityThe change of gravityIn spaceVery strongVery heavyDisappeared Floated weightlessly Very light The mass will be lessLeave the earth.Walking on the moon Q2:What happened to me when I tried to step forward?Why did walking need practice?I was carried twice as fa

4、r as on the earth and fell over.Because the gravity changed.Returning to the earthQ3：What was my feeling while returning?Use some adjectives(形容词）形容词）to describe it.frightenedamazedexhaustedexcitedI felt.Last month I visited the moon with my friend.Before we left,I was told the force of g_ would chan

5、ge three times on our journey.Then we took off.As we left the earth,I became very h_.Gradually the weight l_.When I was in space,it d_.We f_ weightlessly in the cabin and I c_ _.When I was on the moon,I was surprised to find out even walking needs lots of practice n_ _ gravity changed.The returning

6、of the earth was very f_.We were amazed to watch fire b_ _ on the outside of the ship.gravityheavylesseneddisappearedfloatedcheered upnow thatfrighteningbreak outSummaryIf you can visit the moon What problems will you meet with?1.To solve these problems,what things will you take?(Please take down so

7、me notes while discussing,after discussion,please report it.)Discussion.Example:If I had the chance to visited the moon,I might take.and I might have problems as follow:The first one is.Because.To solve this problem,I would takewith me.The second one is .How to cool youYou might have 5 main problems

8、:How to breatheproblemsWhat to eatWhat to dressHow to travel.How to cool youYou might have 5 main problems:How to breatheproblemsWhat to eatWhat to dress spacesuitoxygen tanksspace foodthings needed on the moonIf you follow this advice,I think you will have a good time on the moon.waterHow to travel space buggy.Homework1.Surf on the Internet to find more information of the universe.2.Writing a passage about what problems you might meet and how you will solve them.