1、 Unit 4 Space ExplorationVideo Time年 级：高一年级 学 科：英语（人教版）Learning Objectives 1.collect information about the Mars and Mars exploration.2.learn about scientists efforts to explore a brighter future of human beings.3.develop awareness of exploring the outer space bravely.In this class,you willLook throu
2、gh the introduction and photosPredict:What will the video be aboutExploring MarsMars is truly a fascinating planet for people on Earth.Although exploring the Red Planet has never been easy,scientists are determined to continue their explorations.BEFORE YOU WATCH1.What do you know about Mars?*It is t
3、he nearest neighboring planet of the Earth.*It has the largest volcano in the solar system.*It has an atmosphere which is made up mostly of carbon dioxide.2.How do people explore Mars?*By launching the Mars probe.二氧化碳二氧化碳火星探测器火星探测器l the orbiter l the lander l the rover l Earth-Mars transfer orbit l
4、discard l protective shield 轨道器轨道器 着陆器着陆器 巡游车巡游车 地球地球-火星转移轨道火星转移轨道 v.v.弃置、抛弃弃置、抛弃防护罩防护罩 Mars probe consists of three parts:BEFORE YOU WATCHBEFORE YOU WATCH How much do you know about Mars?Read the statements below and decide whether they are true(T)or false(F).TTFTFTFF1.Mars is the fourth planet fro
5、m the Sun and the smallest planet in the solar system.2.It is one of the few planets that we can see with the naked eye.3.Like Earth,Mars has volcanoes,valleys,polar ice caps,seasons,and weather.4.Olympus Mons,the largest volcano on Mars,is about twice as high as Mount Qomolangma.WHILE YOU WATCH Che
6、ck your answers in Before You Watch.TF1.Mars is the fourth planet from the Sun and the smallest planet in the solar system.WHILE YOU WATCH Check your answers in Before You Watch.T F2.It is one of the few planets that we can see with the naked eye.WHILE YOU WATCH Check your answers in Before You Watc
7、h.TF3.Like Earth,Mars has volcanoes,valleys,polar ice caps,seasons,and weather.WHILE YOU WATCH Check your answers in Before You Watch.TF4.Olympus Mons,the largest volcano on Mars,is about twice as high as Mount Qomolangma.WHILE YOU WATCHPut the events in the correct order._ The probe separates from
8、the launch vehicle._ The lander lands on the surface of Mars.1 The probe enters the Earth-Mars transfer orbit._ Controllers on Earth guide the probe into the orbit around Mars._ The lander discards the protective shield and the parachute._ The space-to-ground communications link is created._ The orb
9、iter and the lander separate._ The rover transmits data back to Earth and receives orders from Earth._ The rover begins to explore the surface of Mars.n.降落伞降落伞WHILE YOU WATCHPut the events in the correct order._ The probe separates from the launch vehicle._ The lander lands on the surface of Mars.1
10、The probe enters the Earth-Mars transfer orbit._ Controllers on Earth guide the probe into the orbit around Mars._ The lander discards the protective shield and the parachute._ The space-to-ground communications link is created._ The orbiter and the lander separate._ The rover transmits data back to
11、 Earth and receives orders from Earth._ The rover begins to explore the surface of Mars.23564789WHILE YOU WATCH1.Mars is the most _planet in the solar system after earth.2.Scientists believe Mars was formed about _ years ago.3.Its diameter is almost the _ of Africa and its_ area is similar to that o
12、f all the earths continents combined.4.Scientists have found _ and _ on Mars showing us where water once flowed.Watch another short video about Mars,try to fill in the blankets below.steady4.5 billionwidthsurfacelake bedsriver valleysAFTER YOU WATCHWork in pairs.One student acts as a space expert an
13、d the other acts as a reporter.Use what you have learnt from the video to make up an interview.for example:R:May I ask some questions about Mars?E:.OK!Go ahead.R:can we see Mars with our naked eyes?E:Yes,its Earths nearest neighbour,and one of the few planets we can see with the naked eye.R:Is Mars
14、like Earth?E:In many ways it is.For example,it has volcanoes,valleys,and seasons like Earth.R-reporterE-expertHOMEWORK1.watch the last video again and write down all the subtitles(字幕字幕)after class;2.work in pairs with your deskmates to dub（配音）（配音）the video.SUMMARYWhat we have learnt today 1.collect information about the Mars and Mars exploration;2.learn about scientists efforts to explore a brighter future of human beings;3.develop awareness of exploring the outer space bravely.
