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Star-Spectra-Science-Teacher-Guide (1).docx - Star Spectra...

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Star Spectra Science: Using Balloons and Buttonsto Model SpectroscopyInspired byThe Physics Teacher’s“Balloon and Button Spectroscopy: A Hands-On Approach to Light and Matter”by Joseph RibaudoDescription:Students model spectroscopy through the analysis of colored buttons (“photons”) foundinside colored balloons (“stars”).Purpose:Interpret spectra of stars by sorting colored buttons.NGSS Connections:Disciplinary Core Ideas:Waves and Their Applications in Technologies for Information Transfer: MS-PS4-2, HS-PS4-1,HS-PS4-3Earth’s Place in the Universe: HS-ESS1-2, HS-ESS1-3Crosscutting Concepts:Scale, proportion, and quantitySystems and system modelsEnergy and matter: Flows, cycles, and conservationScience and Engineering Practices:Developing and using modelsAnalyzing and interpreting dataObtaining, evaluating, and communicating informationMaterials:buttons (per full set-up to be shared among a small group)oViolet – 85 buttonsoBlue – 120oGreen – 80oYellow – 70oOrange – 60oRed - 60balloons (per full set-up to be shared among a small group)oRed - 1oWhite - 1oBlue - 1sandwich bags or small cups – 3pushpins or scissors for popping balloons (optional)colored pencils/markers (optional)Advanced Preparation:Prepare the following astronomical objects and spectra:oIf you choose to inflate the balloons, ensure they arethe same size.oRed starInside a red balloon, place the following types ofbuttons: 4 violet, 5 blue, 5 green, 6 yellow, 8orange, and 7 red.Blow up the balloon and tie it off (optional).Find more modifiable lessons and a “DigitKit” at aapt.org/k12/TPTlessons.cfmLesson framework developed by Rebecca Vieyra: [email protected]
oWhite starInside a white balloon, place the followingtypes of buttons: 12 violet, 12 blue, 13green, 12 yellow, 11 orange, and 10 red.Blow up the balloon and tie it off (optional).oBlue starInside a blue balloon, place the followingtypes of buttons: 25 violet, 30 blue, 25green, 20 yellow, 15 orange, and 13 red.Blow up the balloon and tie it off (optional).oSpectra from blue star with absorptionLabel the plastic baggie as “a.”In the plastic baggie, place the followingtypes of buttons: 4 violet, 30 blue, 2 green,20 yellow, 14 orange, and 10 red.oSpectra from white start with discrete emissionLabel the plastic baggie as “b.”In the plastic baggie, place the following types of buttons: 25 violet, 12 blue, 13green, 12 yellow, 10 orange, and 20 red.oSpectra with discrete emissionLabel the plastic baggie as “c.”In the plastic baggie, place the following types of buttons: 15 violet, 1 blue, 20green, 1 yellow, 1 orange, and 1 red.Activities(in brief):Discuss the nature of light and the various ways light can be categorized (color, energy,wavelength, frequency).Ask students to assign a wavelength (in nm) and calculate the corresponding energy (in eV) foreach color in the visible spectrum.

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Term
Winter
Professor
bennert
Tags
Light, Visible spectrum, Rebecca Vieyra

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