electromagnetic spectrum and wave properties电磁频谱和波的性质

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1、ELECTROMAGNETICSPECTRUMANDWAVEPROPERTIESINTERNETACTIVITYName____________________________Date____________Period______Usethefollowingwebaddresstoanswerthequestionsthatfollow:http://imagine.gsfc.nasa.gov/docs/science/know_l1/emspectrum.html1.Whatistheelectromagneticspectrum?2.Completethetablebelo

2、wwiththesevensectionsillustratedonthewebpageandgiveashortdescriptionofeach.TypeofRadiationShortDescription3.Whichtypeofradiationhastheshortestwavelength?________________________4.Whichtypeofradiationhasthelongestwavelength?_________________________5.Whichtypeofradiationhasthehighestfrequency?_

3、_________________________6.Whichtypeofradiationhasthelowestfrequency?___________________________7.Whatare“photons”?__________________________________________________8.Whichofthefollowingiscorrectinorderoflowesttohighestfrequency?A)x-rays,visiblelight,microwavesB)ultraviolet,visiblelight,gammar

4、aysC)microwaves,visiblelight,gammarays1.Thistypeofemissionmapsthedustbetweenthestars…A)infraredB)ultravioletC)x-raysD)gammarays2.Gasinspaceemitsradiowaves.A)TrueB)FalseC)Wehavenowayofknowing!3.Thistypeofemissioncancomefromradioactivematerials.A)radioB)x-raysC)gammaraysFillintheblank:4.________

5、___Energyemittedintotheairfromaboombox.5.___________Electromagneticradiationcanbedescribedintermsofastreamofthistypeofparticle.6.___________Largeballsofgasthatcreateandemittheirownradiation.7.___________Thistypeofradiationisnormallyfeltasheat.8.___________ThepartoftheEMSthatoureyecansee.9.____

6、_______Asourceofultravioletradiation.10.___________Energyfromthesecancookpopcorn.11.___________Distancebetweenadjacentpeaksinaseriesofperiodicwaves.12.___________ThisradiationisabbreviatedasUV.13.___________Unitoftime.14.___________Adoctorusedthesetolookatbones.15.___________Energyradiatedinth

7、eformofwaves.16.____________Anamescientistsgivetothefullrangeoftypesofradiation.17.____________Radioactivematerialsemitthese.18.____________Measuredincyclespersecond.Gotothefollowingwebsitesandanswerthequestionsthatfollow.http://amazing