Chemistry - College Prep

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Chemistry – College PrepItalics reflect 21 st Century Skills implementation.Course Title: ChemistryUnit Title: Light and AtomsContent Standards:9.1 - Energy cannot be created or destroyed; however, energy can be converted from one form toanother.Energy enters the Earth system primarily as solar radiation, is captured by materials and photosyntheticprocesses, and eventually is transformed into heat.Physics - WavesWaves have characteristic properties that do not depend on the type of wave.Scientific Inquiry, Literacy and NumeracyScientific inquiry is a thoughtful and coordinated attempt to search out, describe, explain and predictnatural phenomena.Scientific inquiry progresses through a continuous process of questioning, data collection, analysis andinterpretation.Scientific literacy includes the ability to read, write, discuss and present coherent ideas about science.Scientific literacy also includes the ability to search for and assess the relevance and credibility ofscientific information found in various print and electronic media.Scientific numeracy includes the ability to use mathematical operations and procedures to calculate,analyze and present scientific data and ideas.Haddam Killingworth High School Expectations for Student LearningThe Haddam Killingworth graduate will problem solveThe Haddam Killingworth graduate will access and analyze information.Enduring Understandings: Students will understand that . . . . .The interaction of light and chemicals reveals many properties of the chemicalThere is a mathematical relationship between wavelength, frequency, and energyThe line spectrum reveals that electrons must be in energy levelsEssential Questions:What are the mathematical relationships between wavelength, frequency, and energy?How does the wavelength of emitted waves tell me about atomic structure?Students will know . . . .The mathematical relationshipsbetween wavelength, frequency, andenergyThe connection between a photon’senergy and electronic structureThe Balmer, Lyman, and PaschenseriesA regression line’s generationRevised 2009Contributor: Jim DanielsProperty of RSD #17Students will be able to . . . .Interconvert among mathematical wavelength,frequency, and energy with wavelength in either nmor cm and energy in Joules.Be able to draw to scale pictures of waves ofdiffering wavelength.Describe qualitatively which end of the visiblespectrum is high energy and which end is low.Furthermore, be able to give experimental proof ofsame.Be able to extend the visible rankings to wavelengthand frequency.Be able to extend all three variables beyond thevisible range.Link a table of an atom’s energy levels, an10
Chemistry – College PrepItalics reflect 21 st Century Skills implementationemitted/absorbed photon’s energy, frequency, andwavelengthQualitatively and quantitatively link the individualtransitions of the three series to energy, frequency,and wavelength of a photon.Plot points w/in Excel, generate a linear regressionline, and generate that line’s slope and intercept.Link the shape of the frequency, energy graph toPlanck’s equation.Performance Tasks/Product(s):Planck’s law LED experimentLight and atoms lab experimentUltraviolet sensitive beads experimentIn-Class/homework problemsKey Evaluation Criteria/Rubric Titles:Are the inter-conversions between wavelength in various units, frequency, and energy correct?Are the movements of electrons correctly represented in terms of to scale distance pictures, energydiagrams, waves, and spectroscopic as well as naked eye and other observations?Are the names of the mathematical relations correctly coordinated with their equations and theconsequences of those equations?Problem solve/Access/AnalyzeOther Evidence:Tests:Light and atoms testRecommended ClassworkWalking to represent different colors and their wavelengthsFBI analogy for energy changesInClass problemsRecommended HomeworkSyllabus with 22 assignmentsStudent Self Assessment:Students are taught to self assess numerical answers for appropriate size and units.Key Learning Activities:Logical, fact, and data driven class discussionsXeroxed thinking activitiesDrawing of distance pictures, energy diagrams, and waves in a coordinated, to scale mannerTeacher modeling of electron movements to cause light emission (complete with confetti beinganalogous to emitted photons)In-Class/homework problemsCourse Title: ChemistryUnit Title: Periodicity and Quantum MechanicsRevised 2009Contributor: Jim DanielsProperty of RSD #1711
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