Wave MotionOverlapping ripplesWaves are movement of energyTrace of pendulumWave terminologyWave DescriptionRipplesTransverse WaveEarthquake: seismic wavesStationary BugMoving BugDoppler shiftDoppler Effect of SirenDoppler effect of movement on the reception of wave formsElectromagnetic SpectrumSpectrumContinuous SpectrumDark Line SpectrumBright Line Spectrum3 types of spectraEffect of Red Shift on Na SpectrumTrifid NebulaWave MotionSupplementary Textbook MaterialPages 45-58(Online, in case you do not have it)Overlapping ripplesWaves are movement of energy• The matter pretty much stays put• Sound and light behave like waves• Light also behaves like particles• Video link below, clip #142-69http://www.4oliveus.com/land_4_sale/images/L_Wave_of_Grass.jpghttp://creative.gettyimages.com/source/frontdoor/DefaultFilm.aspxTrace of pendulumWave terminologyhttp://cimss.ssec.wisc.edu/satmet/modules/spectrum/wavelength.htmlWave Description• Wavelength—distance from one part of the wave to the same part of the next wave•Crest—top• Trough—bottom• Amplitude—distance from midway between crest and trough, to the crest or trough•Period—time for one complete wave to pass• Frequency—how often the wave passesRippleshttp://www.yenra.com/banner-ad-effectiveness/Transverse Wavehttp://astro.uchicago.edu/cara/outreach/se/ysi/1999/intro2.htmlhttp://astro.uchicago.edu/cara/outreach/se/ysi/1999/intro2.htmlEarthquake: seismic wavesStationary BugMoving BugDoppler shifthttp://www.eiu.edu/~mediasrv/davis/chapter_12/ch12_6.htmDoppler Effect of SirenDoppler effect of movement on the reception of wave formsElectromagnetic SpectrumSpectrumContinuous Spectrum• From glowing gas under pressure• Like the interior of SunDark Line Spectrum• White light passing through cold, low pressure gas• Gas absorbs its elemental wavelength signatureBright Line Spectrum• Incandescent hot gas emits its elemental wavelength signature3 types of spectraEffect of Red Shift on Na SpectrumTrifid
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