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Onsheetofpaper,write: 1. Howisclassgoing…l a. Whatisgoingwell?Poorly? b. ArethingsbetterorworsethanQ1?Why? 2. Whatareyougoingtododifferentlyforthelastcoupleweeksofthe semestertoimproveyourgradeorkeepitwhereitis? 3. Writeathankyounotetoyourparents/guardiansforcomingtoparent teacherconferences. Ch8Topics: 1. EarlyIdeas:Democritus&AristotleTheoryofAtom 2. Dalton’sAtomicTheoryofMatterandPostulates 3. CathodeRayTubes:SirWilliamCrookes&EugeneGoldsteinandthe discoveryofpositiveparticle 4. Rutherfordandthediscoveryofthenucleus 5. Radioactivity:HenriBecquerelandMarieCurie 6. Neils-BohrTheory 7. Chardwickandthediscoveryofneutrons 8. J.J.Thomsonandthediscoveryoftheelectron;Millikanandthechargeof electrons ThingstoAnsweronyourslides: • Dates(approximateyearisfine) • Howdidtheycomeupwith“Theory"? • Ifany,whatexperimentsdidtheyconduct?Howdidtheexperimentswork? (Youtubevideosarehelpfulfortheexplanation) • Didtheygooffofanyspecificscientists’previouswork? • Includeapictureofwhattheythinkthe“atom”lookedlike