Close!Reading!and!Text!Dependent!Questions!in!Science! Lunar!Rover!Making!Tracks!on!the!Moon!(Motion!and!Design!!Grade!4)!
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1 ClseReadingandTextDependentQuestinsinSiene LunarRverMakingTraksntheMn(MtinandDesign Grade4) Thetextseletin,LunarRver:MakingTraksntheMn,isfundin thestcmtinanddesignteaherguide,pgs52a53. Siene and Tehnlgy/ngineering LkintheStudentLearningOutme(SLO)Dumentsfrguidanenwhenthisshuldbetaught. TheseanbefundntheBPSSieneDepartment swebsite: findthestudentlearningoutmesdumentsrganizedtherebygradelevel. BPSSieneDepartment 1216DrhesterAvenue Drhester,MA02125 Phne(617)635A8750 Fax(617)635A BPSSieneDepartment
2 Reading Seletin Lunar Rver: Making Tlaks n the Mn f ; L.(6,= a = J C' qt ( (tt z ) tt (6 (L (U d \-, Lunar Ruer Just imagine that yu a.re an astrnaut. Suppse yu are flyrng a spaeraft t the Mn. Yur gal is t learn abut the Mn s surfae. What kind f vehile wuld yu like t have there? ngineers have already answered this questin. In the Apll spae prgram, fj.s. astrnauts flew t the Mn. On many f these flights, the astrnauts landed and walked n the Mn s surfae. They tk samples f Mn rks and perfrmed many sientifi experiments. But sine their xygen supply was limited, they uld nly walk abut 1 km (% rnrle) away frm their 52 / Designing Vehiles t Meet Requirements spaeraft. Many plaes they wanted t investigate were t far away. T help the astrnauts in their wrk n the mn, engineers designed a vehile alled the Lunar Rver. It was big enugh t hld tw astrnauts, their equipment, and many samples f Mn rks. What were the Lunar Rver's deslgn requirements? First f all, the Lunar Rver had t be light enugh s that a rket uld lift it ff arth. The Rver weighed 21 kg (462 lb) n arth. It nly weighed 35 kg (77 lb) n the Mn. D yu knw whylz STC@ / Mttn and Design V
3 ,\/ Hw did the Lunar Rver get its energ/ t mve? Mst ars n arth burn gasline t drive their engines. Burning g""tine requires )rygen and >rygen mes frm the air. Beause there is n air n the Mfi,? gasline engine wuld nt wrk. Instead, the Rver used eletri mtrs, ne fr eah wheel. nergr fr the mtrs ame frm batteries. The Rver had t mve ver the Mn s surfae. Sme f that surfae is rugh and uneven. The engineers made the tires big enugh s that the Rver uld rll ver small bumps and raks. T save n weight, engineers made these tires f wire. The tires lked like rund metal ages, just like the age arund a small eletri fan. The Lunar Rver's tp speed was abut 12 km (7 mrles) per hur. It needed t mve slwly t save n the battery. The slw speed als helped astrnauts ntrl the vehile n the rugh terrain. ngineers made areful rerds f their design fr the Lunar Rver. They als rerded the results f all tests. Suppse engineers needed t build a vehile t explre the surfae f anther planet, like Mars. What might this vehile lk like? D sme researh and find ut Clse-up J Lunar Ruer's tire STC' / Mttn and Design Designing Vehiles t Meet Requirements / 53
4 LunarRverMakingTraksntheMn(MtinandDesign Grade4) StudentQuestins Siene and Tehnlgy/ngineering 1. WhydidengineersreatetheLunarRver? 2. Ardingtthetext,whatdidtheLunarRverneedtbeablethld? 3. HwdidtheengineersmakesuretheLunarRveruldgetttheMn? 4. WhatwasthedesignhallengerelatedthwtheLunarRverwuldgetitsenergytmve? Whatdidtheydeidetd? 5. Hwwasthedesignfthewheelsrelatedtthesuessfthelunarrver? BPSSieneDepartment 1216DrhesterAvenue Drhester,MA02125 Phne(617)635A8750 Fax(617)635A BPSSieneDepartment
5 LunarRverMakingTraksntheMn(MtinandDesign Grade4) SampleAnswers Siene and Tehnlgy/ngineering 1. WhydidengineersreatetheLunarRver? TheLunarRverwasreatedsthatastrnautsuldinvestigateplaesntheMnthatwere furtheraway. 2. Ardingtthetext,whatdidtheLunarRverneedtbeablethld? TheLunarRverhadthldtwastrnauts,theirequipment,andmanysamplesfMn rks. 3. HwdidtheengineersmakesuretheLunarRveruldgetttheMn? Therverhadtbelightweightsthatarketuldliftitffarth. 4. WhatwasthedesignhallengerelatedthwtheLunarRverwuldgetitsenergytmve? Whatdidtheydeidetd? Therveruldntusegaslinetpweritsenginebeauseyuneedxygentburngasline, andthereisnairnthemn.theengineersusedbatterypweredeletrimtrstpwer therver. 5. Hwwasthedesignfthewheelsrelatedtthesuessfthelunarrver? Thesurfaefthemnisntsmth,sthetireshadtbebigenughtbeabletrllver bumpsandraksinthesurfae.theyalsuldntweighmuh,sthedesignersbuiltthem utfwireinthesameshapefrdinarytires. BPSSieneDepartment 1216DrhesterAvenue Drhester,MA02125 Phne(617)635A8750 Fax(617)635A BPSSieneDepartment
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