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Tips dalam biologi yang mesti kita semua ketahui secara bersama-sama. Silahkan cek ya, Study notes of Biology

Universitas Palangka Raya (UPR)Biology

Tips dalam biologi yang mesti kita semua ketahui secara bersama-sama. Silahkan cek ya. Karena anda akan mengetahui hal ini

Typology: Study notes

2021/2022

Available from 02/18/2023

himabio-upr
himabio-upr 🇮🇩

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10ScienceProblemsThatMakeYouConfusedandCurious
1.Thecenteroftheearthisveryhot,really?
Thecorrectanswertothisquestionisthatitistruethatthecenteroftheearthisindeed
hot.Youknow,85percentofthegeneralpublicintheUnitedStatesansweredcorrectly,while
collegegraduatesgotahigherrateof89percent.Reportsfrom LiveSciencein2013,the
temperatureatthecenteroftheearthisestimatedtoreach1,000degreesCelsius.This
temperatureisestimatedtobeashotasthesurfaceofthesun.
2.Trueorfalse,allthecontinentsoftheworldhavebeenmovingforbillionsofyearsandare
stillmoving?
Theansweristruethatallthecontinentsintheworldhavebeenmovingsincethousandsof
yearsagoandwillcontinuetomove.Itturnedoutthat81percentofthegeneralpublic
answeredcorrectly,while87percentofuniversitygraduatesansweredcorrectly.Howcansuch
ahugecontinentkeepmoving?Theanswerliesintheoutermostlayeroftheearthwhichis
calledthelithosphere.Thislayerbreaksupintotectonicplatesthatshiftseveralincheseach
year.TherearethreeplatesthatinteractinIndonesia,namelythePacificplate,theIndo-
Australianplate,andtheEurasianplate.
3.Whoisitthatsurroundstheeartharoundthesunorviceversa?
Didyouknowthattheearthactuallyrevolvesaroundthesun?Onthisquestion73percent
ofthegeneralpublicgavethecorrectanswer.Theansweristhesameasourphysicslesson
regardingthesolarsystem whichexplainsthatitistruethattheearthrevolvesaroundthesun
sothatthereisachangeinthetimeofdayandnight.
4.Isittruethatalltheradioactivityintheworldisman-made?
Radioactivematerialalsoturnsouttoexistinnature.FYI,itturnsoutthatthesunandstars
emitcosmicradiationwhichtheninteractswiththeearth'satmosphere.Inaddition,natural
radioactivematerialsarealsofoundinsoil,waterandplants.
5.Whichissmaller,electronsoratoms?
Thecorrectansweristhatelectronsaresmallerthanatoms.Electronsaremuchsmallerin
sizethantheprotonsandneutronsthatmakeuptheatomicnucleus.Inotherwords,electrons
areobviouslysmallerthanatoms.Thisisthesameasourchemistrylessononatomicstructure
whichexplainsthatatomsaremadeupofsubatomicparticlesnamelyprotons,neutronsand
electrons.Soit'sclearthatelectronsaresmallerthanatoms.
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1 0ScienceProblemsThatMakeYouConfusedandCurious 1 .Thecenteroftheearthisveryhot,really? Thecorrectanswertothisquestionisthatitistruethatthecenteroftheearthisindeed hot.Youknow, 8 5percentofthegeneralpublicintheUnitedStatesansweredcorrectly,while collegegraduatesgotahigherrateof 8 9percent.Reportsfrom LiveSciencein2 013 ,the temperatureatthecenteroftheearthisestimatedtoreach1, 00 0degreesCelsius.This temperatureisestimatedtobeashotasthesurfaceofthesun. 2 .Trueorfalse,allthecontinentsoftheworldhavebeenmovingforbillionsofyearsandare stillmoving? Theansweristruethatallthecontinentsintheworldhavebeenmovingsincethousandsof yearsagoandwillcontinuetomove.Itturnedoutthat 8 1percentofthegeneralpublic answeredcorrectly,while 8 7percentofuniversitygraduatesansweredcorrectly.Howcansuch ahugecontinentkeepmoving?Theanswerliesintheoutermostlayeroftheearthwhichis calledthelithosphere.Thislayerbreaksupintotectonicplatesthatshiftseveralincheseach year.TherearethreeplatesthatinteractinIndonesia,namelythePacificplate,theIndo- Australianplate,andtheEurasianplate. 3 .Whoisitthatsurroundstheeartharoundthesunorviceversa? Didyouknowthattheearthactuallyrevolvesaroundthesun?Onthisquestion73percent ofthegeneralpublicgavethecorrectanswer.Theansweristhesameasourphysicslesson regardingthesolarsystem whichexplainsthatitistruethattheearthrevolvesaroundthesun sothatthereisachangeinthetimeofdayandnight. 4 .Isittruethatalltheradioactivityintheworldisman-made? Radioactivematerialalsoturnsouttoexistinnature.FYI,itturnsoutthatthesunandstars emitcosmicradiationwhichtheninteractswiththeearth'satmosphere.Inaddition,natural radioactivematerialsarealsofoundinsoil,waterandplants. 5 .Whichissmaller,electronsoratoms? Thecorrectansweristhatelectronsaresmallerthanatoms.Electronsaremuchsmallerin sizethantheprotonsandneutronsthatmakeuptheatomicnucleus.Inotherwords,electrons areobviouslysmallerthanatoms.Thisisthesameasourchemistrylessononatomicstructure whichexplainsthatatomsaremadeupofsubatomicparticlesnamelyprotons,neutronsand electrons.Soit'sclearthatelectronsaresmallerthanatoms.

6 .Doesalaserworkbyfocusingsoundwaves? Theanswerisno.Lasersdonotworkbyfocusingsoundwaves.Laseritselfstandsfor LightAmplificationbyStimulatedEmissionofRadiation.From theseabbreviations,wecan immediatelyknowthatlasersworkbynotfocusingsoundwaves,butbyconcentratinglight waves. 7 .Trueorfalse,theuniverseweliveinstartedwithabigbang? Thecorrectanswertothisquestionisthattheuniversestartedwithabigbang.This explosioniscalledtheBigBang.Evenso,accordingtohistheory,theBigBangisactuallymore accuratelycalledanexpansionthananexplosion. 8 .Thegenethatdeterminesthesexofthebabyisthefather'sgene,isn'tit? Thesexofthebabyisdeterminedbythetypeofchromosomefrom themalesperm that meetsthechromosomefrom thefemaleegg.Sperm from malescarryanX(female)orY(male) chromosome.Thesechromosomeswillthendeterminethesexofthebabyinthefemalewomb. 9 .Canantibioticskillvirusesandbacteria?Oronlyoneofthem? Theanswerisyes.Antibioticsonlykillbacteria,notviruses.Sofordiseasescausedby viruses,itisnotappropriatetogiveantibiotics. 10 .Isittrueornot,thehumansweknowtodayevolvedfrom animalspecies? Theansweriscorrect.Humanevolutionisalsoinfluencedbynaturalselection.Thisisone ofthemostproventheories.Inotherwords,itistruethathumansevolvedfrom "animals".