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按一下以編輯母片標題樣式,按一下以編輯母片,第二層,第三層,第四層,第五層,*,Transforming,Mars,1,.,1,2,3,4,5,6,7,8,9,1.Mercury,2.Venus,3.Earth,4.Mars,5.Jupiter,6.Saturn,7.Uranus,8.Neptune,9.Pluto,2,.,Earth VS Mars,3,.,Form(1),Earth,Mars,Length of one day,24 hours,Length of one year,365 days,Is there water?,Yes,There is_,but there is_.,Main gases in atmosphere,Nitrogen 78%,oxygen 21%,Average temperature,15C,Gravity:weight of a 60 kg person,60kg,About _,Average distance from the Sun,150 million km,_ km,24.5 hours,687 earth days,668 Martian days,no water,a lot of ice,-60C,95%carbon dioxide,20kg,228 million,4,.,5,.,Transforming Stages,Arrange the stages in right order,6,.,1,5,2,4,7,8,6,3,Teachers desk,7,.,Transforming Stage 1,(AD 2030-2045),Expedition,Underground buildings,Experiments,Look for site for future landings,Check for signs of life,Survive,spacesuits,Low gravity,move easily,8,.,Transforming Stage 2(AD 2045-2095),Huge solar mirrors,heat ice caps,Spray black,not reflect heat away,Chemicals released,Atmosphere thicker,retain more heat,Greenhouse effect start,-40,C,9,.,Transforming Stage 3(AD 2095-2130),Plants introduced,Carbon dioxide,convert into oxygen,First clouds,Sky,from pink to blue,-15,C,10,.,Transforming Stage 4(AD 2130-2145),towns,Warming continue,Melt more ice,Rivers and small oceans,People migrate(move),construct towns,Trees,Look greener,0,C,11,.,Transforming Stage 5(AD 2145-2185),More like Earth,The amount of oxygen rises,Inhabitants,without spacesuits,10,C,cities,farms,industries all over,12,.,Debate:Whether it is really worth transforming Mars and make it our colony.,13,.,1,5,2,4,7,8,6,3,Teachers desk,For,Against,14,.,ReadingDestination Mars,Underline sentences,to support your idea,15,.,Requirement of debate,Clear,Loud,Confident,Polite,Impressive,Logical and reasonable,16,.,17,.,Mars is a goal,18,.,worthy of,19,.,only the greatest efforts,20,.,that we can offer as a civilization.,21,.,We cannot fly to Mars,22,.,“on the wings of love”,23,.,Or even fuel our rockets,24,.,with hopes and dreams.,25,.,Instead,26,.,it is by the sweat of our brow,27,.,the ache of our muscles,28,.,and the drive of our will,29,.,that we have always,30,.,blazed the trial of exploration.,31,.,And we will,32,.,continue to do so,33,.,in the future.,34,.,Homework,Find further information on Mars and solar system if you are interested,http:/mars.jpl.nasa.gov/,http:/ information on Chinas space industry and its effort in space exploration,http:/
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