Suited for Spacewalking pdf - Virtual Astronaut

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6.Measurements for Space Helmet30 cm7. Paper Maché Space HelmetInflate a large round balloon to a diameter greaterthan student heads. Cover the balloon with fourlayers of paper maché. Paper maché can be madewith newspaper strips and a 50/50 solution of whiteglue and water or with premixed wallpaper paste.Let each layer dry before applying the next one.When completely dry, deflate and remove the balloonand cut appropriate holes with a scissors.Paintas desired.8. Visor Light Transmission TesterC onnect a solar cell to a potentiometer and am i ll a m m e t e r. These items are available from an electronic parts store . Adjust the potentiometer so a lights o u rce you are measuring does not dri ve the needl eoff the sca l e .Place potential space helmet visor materialbetween the light source and the solar cell toevaluate the materi a l’s light-filtering pro p e rt i e s .Suited for Spacewalking An Activity Guide for Technology Education, Mathematics, and Science, EG-1998-03-112-HQ • 9 1
9. Vacuum Experiment - 1Obtain an electric doorbell,push button, and doorbelltransformer. Insert the wires to the doorbellthrough a single-hole rubber stopper. The stoppershould fit the upper hole in the bell jar. Fill the restof the stopper hole with hot glue from a hot-gluegun to seal the wires in place. Evacuate the bell jarand ring the doorbell. While holding the button,gradually let air back into the jar. The bell cannot beh e a rd ringing when the jar is evacuated eve nthough the clapper can be seen to be moving. Thisdemonstration explains why spacesuits have 2-wayradios. Sound is not conducted through a vacuum.11. Vacuum Experiment - 3C on s t ruct a marshmall ow astronaut out of re g u-lar size and mini marshmall ows and toothpick s .Evacuate the bell jar and observe how the marshma ll ows expand. Living tissue will also inflate ina vacuum because of gas bubbles forming in thefluids of cell s .To TransformerPushButtonDoorbellNote: The vacuum pump, vacuum plate, and bell jarneeded for the activities on this page are common piecesof science equipment found in many junior and seniorhigh schools. This equipment is available from schoolscience supply catalogs.10. Vacuum Experiment - 2Show how fluids like water boil when they areexposed to a vacuum. Place water in a beaker andevacuate the bell jar. The demonstration will takeplace more rapidly if warm water is used. Place athermometer in the beaker to record the boilingtemperature.12.Underwater TrainingIf a swimming pool is available, practice underwaterEVA training. Have students wear a dive mask9 2 • Suited for Spacewalking An Activity Guide for Technology Education, Mathematics, and Science, EG- 1 9 9 8 - 0 3 - 1 1 2 - H Q
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National Aeronauticsand Space Admin
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National Education StandardsThe act
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National Mathematics StandardsNatio
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M e a s u r e m e n tThis activity
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need to be able to move arms, hands
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out in the vacuum of space.Dissolve
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Project MercuryEarly spacesuit desi
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to occur for the first time. As wit
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crew, an additional portable heat s
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and reentry, special orange-colored
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The SCU contains lines for power, c
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17.Communications Carrier Assembly
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settings to be read. Setting number
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digital display on the chest-mounte
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Astronaut Joe Tanner works on the H
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humidity when oxygen is flowing fro
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The problem of picking up rocks and
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Bruce McCandless II pilots the MMU
Page 40 and 41: Mark C.Lee test flies the Simplifie
Page 42 and 43: STS-76 astronaut Michael R. Cliffor
Page 44 and 45: Spacesuit technicians test the mobi
Page 46 and 47: Future spacewalkers will roam the s
Page 48 and 49: Introduction:The steps spacesuit en
Page 50 and 51: Design BriefC o n t ex t :Spacesuit
Page 52 and 53: Interface Control DocumentPage 1 Of
Page 54 and 55: Pulley close-upviewthe buck e t . T
Page 56 and 57: to them. Use a metric ruler for mea
Page 58 and 59: steel would make an excellent micro
Page 60 and 61: d ay or tw o, Ap o llo spacesuit ma
Page 63 and 64: Sleeve and Leg TesterInflated segme
Page 65 and 66: ity alone.If a scale were present,
Page 67 and 68: Exploration BriefMicrometeoroids an
Page 69 and 70: InvestigationPotato Astronaut—Par
Page 71 and 72: Exploration BriefKeeping Your CoolC
Page 73 and 74: AssessmentHave students design a gr
Page 75 and 76: InvestigationInsulating LayersIn th
Page 77 and 78: e nv i ronment experienced in Earth
Page 79 and 80: Arm Range of Movement Data SheetSub
Page 81 and 82: Body Size Range MeasurementsBased o
Page 83 and 84: ProcedureStep 1. Obtain the materia
Page 85 and 86: Magnified view oftire valve and cla
Page 87 and 88: Extensions• Compare the stiffness
Page 89: 2. Tethers4. Connector Seal TestPla
Page 93 and 94: You can investigate neutral buoyanc
Page 95 and 96: MMUMercuryORUPLSSRegolithRMSSCUSkyl
Page 97 and 98: NA S A’s Central Ope ra tion of R
Page 99: Suited for Spacew a l k i n gA Te a
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