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DepartmentofMathematicsandScience
PhysicalScienceBigIdea10:FormsofEnergy
BigIdea11:EnergyTransferandTransformationGrade5Quarter2Topics8&9
WhatisEnergy?P-SELLBigIdea10EnergyStudentBookp.
DepartmentofMathematicsandScience
BigIdea10:FormsofEnergyBigIdea11:EnergyTransfer&Transformation
Benchmarks
SC.5.P.10.1 - Investigateanddescribesomebasicformsofenergy,includinglight,heat,sound,electrical,chemical,andmechanical.
AlsoAssesses:SC.5.P.10.2- Investigateandexplainthatenergyhastheabilitytocausemotionor
createchange.• SC.4.P.10.3- Investigateandexplainthatsoundisproducedbyvibratingobjects
andthatpitchdependsonhowfastorslowtheobjectvibrates.• SC.4.P.10.4- Describehowmovingwaterandairaresourcesofenergyandcanbe
usedtomovethings.• SC.3.P.10.3- Demonstratethatlighttravelsinastraightlineuntilitstrikesan
objectortravelsfromonemediumtoanother.• SC.3.P.10.4- Demonstratethatlightcanbereflected,refracted,andabsorbed.• SC.3.P.11.1- Investigate,observe,andexplainthatthingsthatgiveofflightoften
alsogiveoffheat.• SC.3.P.11.2- Investigate,observe,andexplainthatheatisproducedwhenone
objectrubsagainstanother,suchasrubbingone'shandstogether.
DepartmentofMathematicsandScience
SC.5.P.10.4 - Investigateandexplainthatelectricalenergycanbetransformedintoheat,light,andsoundenergy,aswellastheenergyofmotion.AlsoAssesses:
• SC.3.E.6.1- Demonstratethatradiantenergyfromthesuncanheatobjectsandwhenthesunisnotpresent,heatmaybelost.
• SC.4.P.11.1- Recognizethatheatflowsfromahotobjecttoacoldobjectandthatheatflowmaycausematerialstochangetemperature.
• SC.4.P.11.2- Identifycommonmaterialsthatconductheatwellorpoorly.
BigIdea10:FormsofEnergyBigIdea11:EnergyTransfer&TransformationBenchmarks
DepartmentofMathematicsandScience
Drawapictureofsomeexamplesofusingenergyinyournotebook.
P-SELLBigIdea10EnergyStudentBookp.89
DepartmentofMathematicsandScience
HowisEnergyallaroundus!
– Youcanhearenergyassoundwhensomeonetalks.
– Youcanseemechanical energyeverytimeyoumove.
– Youcanseeenergyaslight fromthesunoralamp.
– Youcanfeelitasheat warmsthingsup.
DiscoveryFundamentals:EnergyMakesitHappen
DepartmentofMathematicsandScience
WhataretheFormsofEnergy?
• Electrical• Light• Sound• Chemical• Heat/Thermal• Mechanical
kineticpotential
http://www.childrensuniversity.manchester.ac.uk/interactives/science/energy/
BigIdea10EnergyPSELLStudentBookReadp.90.Completep.91FindingEnergy
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ExploringFormsofEnergy
Stations
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Whatislight?
• Lightissomethingthatallowsustoseeobjects.
• Light isaformofenergy.• Lightisproducedbythevibrationsof
electricallychargedparticles.
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WhatarePropertiesofLight?
• Lighttravelsinastraightpath.• Lightdoesn’ttravelthroughallobjects.Thesearedefinedasopaque.
• Lightcanbeabsorbedandchangedtoheat.
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PropertiesofLightContinued
• Lightbouncesofforisreflectedfromsomekindsofopaqueobjects.
• Someobjectsletalllightpassthroughthemareknownas:transparent
• Someobjectsletsomelightpassthroughthemareknownas:translucent
DepartmentofMathematicsandScience
BendingLightLabWritedownresponsesonyournotepage.
• Problem:Whatdoeslightdowhenittravelsfromonemediumorstateofmatter (air)throughanothermedium(water)?
• Hypothesis:• TestandObserve:Followstepsfromthelabsheet.SeePSELLStudentBookp.92-93.
• Conclusion:
DepartmentofMathematicsandScience
HowdoesLightChangeDirection?
• Lightbendsorrefractsasitpassesfromonemedium(formofmatter:solid,liquidorgas)toanother.
• RefractionofLightVirtualTutorial
DepartmentofMathematicsandScience
Light Energy
Whyarethesepicturesexamplesoflightenergy?Thesunandstarsareexamplesoflightenergy.TheyprovideanaturalsourceoflightandthislightenergytravelsallthewaytotheEarth.Thesun’slightenergyissopowerfulitcanevenbeconvertedtoelectricalenergythroughsolarpower!
AllImages in Powerpointobtainedfrom:commons.wikimedia.org
DepartmentofMathematicsandScience
WhatisSound?(ChoosethetopicSoundandHearing)
• Sound isaformofenergyproducedbyavibrationorabackandforthmovementofanobject.
• Soundisawaveofvibrationsthatspreadfromitssourceofitsmatter.
• Themorevibrationsthewaveshave,themoreenergy,thelouderthesound.
• Thefasterthevibrationsorthefrequency,thehigherthesoundorpitch.Whatispitch?
• Pitchishowhighorlowasoundis.
DepartmentofMathematicsandScience
Sound Energy
Whyarethesepicturesexamplesofsoundenergy?Dolphinscommunicatethroughecholocationtakingadvantageofsoundwavesunderwater.Thesoundwavesmovethroughthewater,andbounceofftheobjecttoreturntothedolphin.Whentheyreceivetheinformationtheirauditorynervescreateanacousticpictureoftheobject(www.pbs.org) AllImages in Powerpointobtainedfrom:commons.wikimedia.org
Cpalms.org
DepartmentofMathematicsandScience
WhatisHeatEnergy?• Rubyourhandstogether.Arethepalmsofyourhandswarmer
now?• Frictionfromrubbingtwoobjectstogetherproducesheatenergy.• Heatenergyistheenergycausedbymovingparticles.• AStheobject’sparticlesmovefaster,soitsthermalenergy
increases.• Heatenergyalwaysflowsfromwarmertocooler.Thingsdon’tgetcool.Thingsjustloseheat.
• Achangeinthermalenergycanleadtoachangeinphaseorstateofmatter.
• Temperatureisameasureofheat/thermalenergy.
DepartmentofMathematicsandScience
Heat Energy
Whyarethesepicturesexamplesofheatenergy?Whileatoasteruseselectricalenergytopowerit,ittransferstoheatenergy.Theheatenergywarmsthecoilsandthisenergyspreadsfromthehotcoilstothecoldbreadyouplacedinthetoaster.
AllImages in Powerpointobtainedfrom:commons.wikimedia.org
DepartmentofMathematicsandScience
WhatisMechanicalEnergy?PSELLBigIdea10p.102
• Mechanicalenergyistheenergythatispossessedbyanobjectduetoitsmotionorduetoitsposition.Mechanicalenergycanbeeitherkineticenergy (energyofmotion)orpotentialenergy(storedenergyofposition)
• Allenergycanbeinoneoftwostates: potentialenergyorkineticenergy.
üTheamountofmechanicalenergydependsontheobject’sspeedandmass.
• Mechanicalenergycanchangeintootherformsof
DepartmentofMathematicsandScience
Mechanical Energy
Whyarethesepicturesexamplesofmechanicalenergy?Arollercoasterisanexampleofmechanicalenergybecauseoftheamountofenergythatisstoredbeforeyoumoveandthentheamountofenergybeingusedasyoutravelaroundthetrack!
AllImages in Powerpointobtainedfrom:commons.wikimedia.org
cpalms.org
DepartmentofMathematicsandScience
WhatisChemicalEnergy?
• Chemicalenergyismadewhensubstancesreactandformnewsubstances.
• Food,batteries,andfuelssuchasoilandgasolinearestoredchemicalenergy.
• Chemicalenergycanchangeto:sound lightthermal electricalkinetic
DepartmentofMathematicsandScience
Chemical Energy
Whyarethesepicturesexamplesofchemicalenergy?Thisgirliseatingapeach,herbodywilleventuallybreakdownthepeachthroughdigestionbyseveralchemicalreactionsandusethenutrientsforenergyshewillneedtogrowandplay.
AllImages in Powerpointobtainedfrom:commons.wikimedia.org
DepartmentofMathematicsandScience
WhatisElectrical Energy?
Electricalenergyisenergythatiscausedbythemovementofchargedparticlesinanelectricalfield.
AllImages in Powerpointobtainedfrom:commons.wikimedia.org
DepartmentofMathematicsandScience
Electrical Energy
Whyarethesepicturesexamplesofelectricalenergy?Inthispictureelectricalenergyorelectricityismadeavailabletohomesandbusinessesbychargedparticlesmovingthroughthepowerlines.
AllImages in Powerpointobtainedfrom:commons.wikimedia.org
DepartmentofMathematicsandScience
FormsofEnergy
EnergyForms• Heat/thermal• Electrical• Chemical
• Mechanical:potentialkinetic
• Light/Radiant
WhatHappens?• Objectswarm.Foodcooks.• Lightson./Machinesrun.• Organismsmoveandgrow.• Flashlightslightup.
• Sledsitsontopofahill.• Sledslidesdownthehill.• Plantsgrow./Laserscut.
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25
WhatdodifferentFormsofEnergyhaveincommon?
AllEnergy hastheabilitytocausemotionorcreateachange.
Howisenergychangingtheseobjects?motion
temperatureandcolor
sizeofshape
!
DepartmentofMathematicsandScience
Sources of EnergyDescribehowmovingwaterandairaresourcesofenergyandcanbeusedtomovethings.nWindPowernWhatareexamplesofpeopleusingairtomakethingsmove?
nWaternWhatareexamplesofpeopleusingwatertomakethingsmove?
Movingwaterandairaresourcesofenergyandcanbeusedtomoveotherthings
26
DepartmentofMathematicsandScience
Inquiry7:WindEnergy(SC.5.P.10.2,SC.5.P.10.4,SC.4.P.10.4)
Howcanwindenergy(air)beasourceofenergythatmakesthingsmove?
StudentBookpp.104-109
DepartmentofMathematicsandScience
WhataretheVariables?
Test/Independent/ManipulatedVariable(WhatdoIchange?)
Outcome/Dependent/RespondingVariable(WhatdatadoIcollect?)
Control/ConstantVariables(WhatdoIkeepthesameintheexperiment?)
DepartmentofMathematicsandScience
DataTable1:MovementofthePing-PongBalls(QuantitativeData)
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DataTable2:MovementofthePing-PongBalls
(QualitativeData)
Object Observations
Stirrer
Straw
Fan
DepartmentofMathematicsandScience
WhatistheTransformationofEnergy?Energycanchangeandmovefromoneobjecttoanother.
chemical>electrical>light
Wheredoestheenergyofalitlightbulbtransfertoaftertheflashlighthasbeenonforawhile?Heatenergytransfersintotheair.
DepartmentofMathematicsandScience
FormsofEnergyStationstaions
ØIdentifyandrecordthedifferentformsofenergyinyoursciencenotebookasyourotatethroughoutthevariousstations.
Reflections:• Describewhatyoulearnedintheenergystations.
• Whatwasinteresting?• Whatdoyouwanttolearnmoreabout?
DepartmentofMathematicsandScience
Whataresometransfersand/ortransformationsofenergythataretakingplaceinourclassroom,inourschoolorathome?
DepartmentofMathematicsandScience
TransformationofEnergy
A.
B.
A.
B.
C.
DepartmentofMathematicsandScience
EnergyTransformation
Howisenergychangingwhenatoasterisinuse?
Atoasteruseselectrical,mechanical,andthermalenergy.
DepartmentofMathematicsandScience
EnergyInteractiveOnlineResources
qEnergyandtheEnvironment:http://www.childrensuniversity.manchester.ac.uk/interactives/science/energy
qScienceforKids:SoundandHearinghttp://acswebcontent.acs.org/scienceforkids/index.html#Sound
DepartmentofMathematicsandScience
OnlineEnergyVideosandMore
q TheEnergyStory: http://energyquest.ca.gov/story/index.html
qMechanicalEnergy(animation)http://app.discoveryeducation.com/player/?assetGuid=2768797e-a7a0-45f5-b7a4-812cd3422f7d&fromMyDe=0&isPrinterFriendly=0&provider=&isLessonFromHealth=0&productcode=DETB&isAssigned=false&includeHeader=YES&homeworkGuid=
• KidsandEnergyhttp://www.kids.esdb.bg/index.html
DepartmentofMathematicsandScience
DiscoveryResources
• Fundamental:EnergyMakesitHappen• Exploration:FormsofEnergy• E-book:FormsofEnergy• Video:SourcesofEnergy• Video:Whatislight?