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Presents

TheHeavensDeclare–Episode109

“TheWondersofMagnetism”StudyGuide

TableofContentsIntroductionChapter1–WhatisthePurposeofEarth’sMagneticFieldChapter2–IstheEarth’sMagneticFieldDecaying?Chapter3–HowDoSecularScientistsExplainDecayingFields?Chapter4–WhatAreMagneticFieldReversals?Chapter5–CantheStrengthofMagnetismBePredicted?Chapter6–WhatCanWeLearnAboutGodfromMagnetism?ConclusionAnswerstoQuestions

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IntroductionWelcometothisstudyguidefortheHeavensDeclare-Episode109,“TheWondersofMagnetism”.Thisguideisdesignedtobeusedbyyouthgroups,Sundayschools,churchgroups,publicschoolparentsthatwanttoreinforcetheirstudent’sfaith,oranyonethatwantstogodeeperintheirunderstandingoftheconceptspresentedinthevideo.Itcanalsoserveascurriculumforhomeschoolstudents.Likethevideo,thisstudyguideisbroken-upinto10differentsections.Pleasestartbywatchingachapterofthevideo,andthencompletetheaccompanyingsectioninthisguide.Youwillfindtheinformationpresentedinseveraldifferentinterestingformats:

Summary.Thesebriefoverviewswillgiveabig-pictureunderstandingofthecontentcoveredinthevideo.Vocabulary.Thiswillbeanintroductionofpossiblenewterms.

ReviewQuestions.Thesequestionswillhelptoclarifymanyoftheconceptspresentedthroughoutthevideo.Answerstothequestionswillbepresentedattheendofthisstudyguide.DiscoveryQuestions.Thesequestionswilltakethestudentdeeperindrawingtheirownconclusionstoseethebiggerpicture.ScriptureQuotes.God’sWordwillclarifythetruthoftheconceptsbeingpresented.QuoteBoxes.Thesequoteswilldemonstrateman’sthinkingondifferentsubjects.HistoricalReference.Theseboxeswillintroduceusapersonwhomadecontributiontomodernthinking.InterestingDiscoveries.Theseboxeswillintroduceusaplacewhichmadecontributiontomodernthinking.Activities.Theseexerciseswillprovidecreativewaystoreinforcetheinformationpresented.Riddles.Thesewillbeactivitiesthatrequireaproblemtobesolved,allowingstudentstoarriveatconclusionsbygoingdeep.

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Chapter1–WhatisthePurposeofEarth’sMagneticField?PleasestartbywatchingChapter1ofthevideo,thencompletethefollowingsection.

WelcometothisstudyofEarth’smagneticfield.Inthissection,we’lllearnthatthemagneticfieldissomethingofamysterytoscientists.Itisbelievedthatthismagneticfieldisgeneratedbythemotionofconvectioncurrentsintheoutercore.Itisbelievedthatthiselectricalcurrentgenerates

billionsofamperes.Allelectricalcurrentproducesmagneticfields.So,thecurrentsflowinginthecoreproducetheEarth’smagneticfield.However,thisisjustatheory,becausethecurrentsflowingthroughtheoutercorehasnever

beendirectlyobserved.Wedoknowforsure,however,thatthemagneticfieldexists.TheEarth’smagnetismisaoneoftheshieldsGodhasplacedaroundtheEarthtoprotectusfromcosmicrays,andsolarwinds.Itdeflectssolarradiationmaterial,whichthenformstheVanAllenRadiationBeltaroundtheEarth.Whentheastronautswenttothemoon,theytraveledthroughthisbelt,whichsurroundsthewholeearth,hundredsofmileshighfromthesurface.Thissolarwindismadeofparticles.WhenithitstheEarth’smagneticfield,itspiralsandmovestowardbothpoles.Finally,itmovesdownward,andsometimesproducestheNorthernandSouthernlights.

“WhatisthePurposeofEarth’sMagneticField?”Summary

“Forbyhimwereallthingscreated,thatareinheaven,andthatareinearth,visibleandinvisible,whethertheybethrones,ordominions,orprincipalities,orpowers:allthingswerecreatedbyhim,andforhim:

Colossians1:16

“”“James Van Allen was one of the greatest and most accomplished American Spacescientists of our time. Few researches had such wide range of expertise in so manyscientific disciplines. NASA’s path of space exploration is far more advanced todaybecauseofDr.VanAllen’sground-breakingwork.

FormerNASAAdministratorandaerospaceengineer,MichaelGriffin(2005-2009)

Amperes(amps)–Ameasureoftheamountofelectricalcurrentthatflowsthroughasystem.

VanAllenRadiationBelt–Azoneofchargedparticlesthatareheldaroundaplanetbythatplanet’smagneticfield.

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HJamesA.VanAllen

JamesVanAllenwasaphysicistfromMt.Pleasant,Iowa,whodiscoveredthatthereweretwozonesofenergeticparticlesofradiationsurroundingEarth.Hiscosmicrayexperiment,launchedJanuary31,1958,consistingofaGeigercounterandataperecorder,showedthattherewerebeltsofradiationcirclingtheEarth.Hisdiscoverybroughtanewunderstandingofcosmicradiation. HeattendedtheIowaWesleyanCollegein1935andgothisM.S.andPh.D.attheUniversityofIowa1936-1939.HeworkedfortheU.S.duringWorldWarIIandbecameaprofessorofphysicsin1951,untilheretired.HeandhisassociatesbuilttheinstrumentationoftheearlyexplorersatellitesaspartoftheU.S.’sInternationalGeophysicalYearof1957-58spaceprogram.Explorer1wasthefirstsuccessfulU.S.spacesatellite.TheinformationgatheredbythesatellitesiswhatledtothediscoveryoftheVanAllenradiationbelts.Dr.VanAllenlaterhelpeddevelopmanyspaceprobesinordertostudyplanetaryandsolarphysics.

1914-2016

1. ReadColossians1:14-16,whocreatedtheinvisibleaswellasthevisiblethingsontheEarth?

2. WheredoesEarth’smagneticfieldcomefrom?Hasitbeenobserved?

“WhatisthePurposeoftheEarth’sMagneticField?”ReviewQuestions

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3. WhatisoneofthebenefitsoftheEarth’smagneticfields?

4. WhatistheVanAllenBelt?Whodiscoveredit?Howhighisitaccordingtothesectionwewatched?

5. WhatwasthenameofthespacesatellitethathadtheexperimentthatallowedforthediscoveryoftheVanAllenbelt?Whenwasthesatellitelaunched?Whatwasnoteworthyaboutthesatellite?

6. WhathappenstothesolarwindswhentheyfallbacktotheEarth?

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1. WhatdoyouthinkthemagneticfieldsshowyouaboutGod?

2. Whataresome“unseen”,orperhapsunnoticedareasofyourlifewhereGod’shandisatwork?

WecanactuallyseeEarth’smagneticfieldatworkwhenweuseacompass!Afunandeasyactivity(aswellasagoodsurvivalskillshouldyouloseyourwayinthewilderness)wouldbetomakeyourown.Whatyouneed:

- Abowl- Asmallleaf- Water- Aneedle- Amagnet- Asharpie- Acompass

“WhatisthePurposeofEarth’sMagneticField?”DiscoveryQuestions

“TheEarth’sMagneticField”Activity

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Directions:

1. Putsomewaterinabowl.2. Takeyoursmallleafandmarkoneendwiththesharpie.Thiswillbeyourpointer.3. Getyourneedleandrubitagainstthemagnet.(Thismagnetizestheneedle).4. Floatyourleaf.5. CarefullyputtheneedleontopoftheleafandwatchitalignwiththeEarth’smagnetic

field.6. TakeoutyourcompassandchecktomakesuretheneedleorientedtoNorth.7. Writethedate.8. Takenoteofwhichwayit’spointing.