What is Energy? - Ms. Morera's Classgmorera.weebly.com/uploads/1/1/0/5/110562705/energy... · 2020. 4. 13. · energy? A roller coaster is an example of mechanical energy because

DepartmentofMathematicsandScience

PhysicalScienceBigIdea10:FormsofEnergy

BigIdea11:EnergyTransferandTransformationGrade5Quarter2Topics8&9

WhatisEnergy?P-SELLBigIdea10EnergyStudentBookp.


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.


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


Drawapictureofsomeexamplesofusingenergyinyournotebook.

P-SELLBigIdea10EnergyStudentBookp.89


HowisEnergyallaroundus!

– Youcanhearenergyassoundwhensomeonetalks.

– Youcanseemechanical energyeverytimeyoumove.

– Youcanseeenergyaslight fromthesunoralamp.

– Youcanfeelitasheat warmsthingsup.

DiscoveryFundamentals:EnergyMakesitHappen


WhataretheFormsofEnergy?

• Electrical• Light• Sound• Chemical• Heat/Thermal• Mechanical

kineticpotential

http://www.childrensuniversity.manchester.ac.uk/interactives/science/energy/

BigIdea10EnergyPSELLStudentBookReadp.90.Completep.91FindingEnergy


ExploringFormsofEnergy

Stations


Whatislight?

• Lightissomethingthatallowsustoseeobjects.

• Light isaformofenergy.• Lightisproducedbythevibrationsof

electricallychargedparticles.


WhatarePropertiesofLight?

• Lighttravelsinastraightpath.• Lightdoesn’ttravelthroughallobjects.Thesearedefinedasopaque.

• Lightcanbeabsorbedandchangedtoheat.


PropertiesofLightContinued

• Lightbouncesofforisreflectedfromsomekindsofopaqueobjects.

• Someobjectsletalllightpassthroughthemareknownas:transparent

• Someobjectsletsomelightpassthroughthemareknownas:translucent


BendingLightLabWritedownresponsesonyournotepage.

• Problem:Whatdoeslightdowhenittravelsfromonemediumorstateofmatter (air)throughanothermedium(water)?

• Hypothesis:• TestandObserve:Followstepsfromthelabsheet.SeePSELLStudentBookp.92-93.

• Conclusion:


HowdoesLightChangeDirection?

• Lightbendsorrefractsasitpassesfromonemedium(formofmatter:solid,liquidorgas)toanother.

• RefractionofLightVirtualTutorial


Light Energy

Whyarethesepicturesexamplesoflightenergy?Thesunandstarsareexamplesoflightenergy.TheyprovideanaturalsourceoflightandthislightenergytravelsallthewaytotheEarth.Thesun’slightenergyissopowerfulitcanevenbeconvertedtoelectricalenergythroughsolarpower!

AllImages in Powerpointobtainedfrom:commons.wikimedia.org


WhatisSound?(ChoosethetopicSoundandHearing)

• Sound isaformofenergyproducedbyavibrationorabackandforthmovementofanobject.

• Soundisawaveofvibrationsthatspreadfromitssourceofitsmatter.

• Themorevibrationsthewaveshave,themoreenergy,thelouderthesound.

• Thefasterthevibrationsorthefrequency,thehigherthesoundorpitch.Whatispitch?

• Pitchishowhighorlowasoundis.


Sound Energy

Whyarethesepicturesexamplesofsoundenergy?Dolphinscommunicatethroughecholocationtakingadvantageofsoundwavesunderwater.Thesoundwavesmovethroughthewater,andbounceofftheobjecttoreturntothedolphin.Whentheyreceivetheinformationtheirauditorynervescreateanacousticpictureoftheobject(www.pbs.org) AllImages in Powerpointobtainedfrom:commons.wikimedia.org

Cpalms.org


WhatisHeatEnergy?• Rubyourhandstogether.Arethepalmsofyourhandswarmer

now?• Frictionfromrubbingtwoobjectstogetherproducesheatenergy.• Heatenergyistheenergycausedbymovingparticles.• AStheobject’sparticlesmovefaster,soitsthermalenergy

increases.• Heatenergyalwaysflowsfromwarmertocooler.Thingsdon’tgetcool.Thingsjustloseheat.

• Achangeinthermalenergycanleadtoachangeinphaseorstateofmatter.

• Temperatureisameasureofheat/thermalenergy.


Heat Energy

Whyarethesepicturesexamplesofheatenergy?Whileatoasteruseselectricalenergytopowerit,ittransferstoheatenergy.Theheatenergywarmsthecoilsandthisenergyspreadsfromthehotcoilstothecoldbreadyouplacedinthetoaster.



WhatisMechanicalEnergy?PSELLBigIdea10p.102

• Mechanicalenergyistheenergythatispossessedbyanobjectduetoitsmotionorduetoitsposition.Mechanicalenergycanbeeitherkineticenergy (energyofmotion)orpotentialenergy(storedenergyofposition)

• Allenergycanbeinoneoftwostates: potentialenergyorkineticenergy.

üTheamountofmechanicalenergydependsontheobject’sspeedandmass.

• Mechanicalenergycanchangeintootherformsof


Mechanical Energy

Whyarethesepicturesexamplesofmechanicalenergy?Arollercoasterisanexampleofmechanicalenergybecauseoftheamountofenergythatisstoredbeforeyoumoveandthentheamountofenergybeingusedasyoutravelaroundthetrack!


cpalms.org


WhatisChemicalEnergy?

• Chemicalenergyismadewhensubstancesreactandformnewsubstances.

• Food,batteries,andfuelssuchasoilandgasolinearestoredchemicalenergy.

• Chemicalenergycanchangeto:sound lightthermal electricalkinetic


Chemical Energy

Whyarethesepicturesexamplesofchemicalenergy?Thisgirliseatingapeach,herbodywilleventuallybreakdownthepeachthroughdigestionbyseveralchemicalreactionsandusethenutrientsforenergyshewillneedtogrowandplay.



WhatisElectrical Energy?

Electricalenergyisenergythatiscausedbythemovementofchargedparticlesinanelectricalfield.



Electrical Energy

Whyarethesepicturesexamplesofelectricalenergy?Inthispictureelectricalenergyorelectricityismadeavailabletohomesandbusinessesbychargedparticlesmovingthroughthepowerlines.



FormsofEnergy

EnergyForms• Heat/thermal• Electrical• Chemical

• Mechanical:potentialkinetic

• Light/Radiant

WhatHappens?• Objectswarm.Foodcooks.• Lightson./Machinesrun.• Organismsmoveandgrow.• Flashlightslightup.

• Sledsitsontopofahill.• Sledslidesdownthehill.• Plantsgrow./Laserscut.


25

WhatdodifferentFormsofEnergyhaveincommon?

AllEnergy hastheabilitytocausemotionorcreateachange.

Howisenergychangingtheseobjects?motion

temperatureandcolor

sizeofshape

!


Sources of EnergyDescribehowmovingwaterandairaresourcesofenergyandcanbeusedtomovethings.nWindPowernWhatareexamplesofpeopleusingairtomakethingsmove?

nWaternWhatareexamplesofpeopleusingwatertomakethingsmove?

Movingwaterandairaresourcesofenergyandcanbeusedtomoveotherthings

26


Inquiry7:WindEnergy(SC.5.P.10.2,SC.5.P.10.4,SC.4.P.10.4)

Howcanwindenergy(air)beasourceofenergythatmakesthingsmove?

StudentBookpp.104-109


WhataretheVariables?

Test/Independent/ManipulatedVariable(WhatdoIchange?)

Outcome/Dependent/RespondingVariable(WhatdatadoIcollect?)

Control/ConstantVariables(WhatdoIkeepthesameintheexperiment?)


DataTable1:MovementofthePing-PongBalls(QuantitativeData)


DataTable2:MovementofthePing-PongBalls

(QualitativeData)

Object Observations

Stirrer

Straw

Fan


WhatistheTransformationofEnergy?Energycanchangeandmovefromoneobjecttoanother.

chemical>electrical>light

Wheredoestheenergyofalitlightbulbtransfertoaftertheflashlighthasbeenonforawhile?Heatenergytransfersintotheair.


FormsofEnergyStationstaions

ØIdentifyandrecordthedifferentformsofenergyinyoursciencenotebookasyourotatethroughoutthevariousstations.

Reflections:• Describewhatyoulearnedintheenergystations.

• Whatwasinteresting?• Whatdoyouwanttolearnmoreabout?


Whataresometransfersand/ortransformationsofenergythataretakingplaceinourclassroom,inourschoolorathome?


TransformationofEnergy

A.

B.

A.

B.

C.


EnergyTransformation

Howisenergychangingwhenatoasterisinuse?

Atoasteruseselectrical,mechanical,andthermalenergy.


EnergyInteractiveOnlineResources

qEnergyandtheEnvironment:http://www.childrensuniversity.manchester.ac.uk/interactives/science/energy

qScienceforKids:SoundandHearinghttp://acswebcontent.acs.org/scienceforkids/index.html#Sound


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


DiscoveryResources

• Fundamental:EnergyMakesitHappen• Exploration:FormsofEnergy• E-book:FormsofEnergy• Video:SourcesofEnergy• Video:Whatislight?

Documents

What is Energy? - Ms. Morera's Classgmorera.weebly.com/uploads/1/1/0/5/110562705/energy... · 2020. 4. 13. · energy? A roller coaster is an example of mechanical energy because