Lesson Plan Chapter 21 Atomic
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1 Atomic Physics Chapter Opener Tapping Prior Knowledge, TE Review previously learned concepts and check for preconceptions about the chapter content. Visual Concepts CD-ROM This CD-ROM consists of multimedia presentations of core physics concepts. (BASIC) SECTION 1 Quantization of Energy PACING Regular Schedule: with lab(s): 2 days without lab(s): 1 days Block Schedule: with lab(s): 1 days without lab(s): 0.5 days STATE OBJECTIVES III. ENERGY C. NUCLEAR ENERGY OBJECTIVES 1. Explain how Planck resolved the ultraviolet catastrophe in blackbody radiation. 2. Calculate energy of quanta using Planck s equation. 3. Solve problems involving maximum kinetic energy, work function, and threshold frequency in the photoelectric effect. NATIONAL SCIENCE EDUCATION STANDARDS UCP 1: Systems, order, and organization UCP 2: Evidence, models, and explanation UCP 3: Change, consistency, and measurements UCP 5: Form and function SAI 1: Abilities to do scientific inquiry SAI 2: Understanding about scientific inquiry ST 1: Abilities of technological design ST 2: Understanding about science and technology HNS 1: Science as a human endeavor
2 HNS 2: Nature of science HNS 3: History of science SPSP 5: Science and technology in society FOCUS (5 MINUTES) Overview Review the objectives listed in the Student Edition. MOTIVATE (5 MINUTES) Demonstration, A Blackbody, TE This demonstration shows students an example of a blackbody. Demonstration, Color of Thermal Sources, TE This demonstration shows students that different thermal sources emit different spectra. TEACH (70 MINUTES) PowerNotes Resources Use the customizable presentation to help students master the concepts in this section. Sample Set A, Quantum Energy, SE This sample and practice problem set covers quantum energy. (BASIC) Visual Strategy, Figure 4, TE Students explain why one cannot directly observe electrons being emitted from a metal surface. (BASIC) Demonstration, Photoelectric Effect, TE This demonstration helps students understand that light can release electrons from a metal. Sample Set B, The Photoelectric Effect, SE This sample and practice problem set covers the photoelectric effect. Conceptual Challenge, p. 759, SE These conceptual questions challenge students to apply the section content to real-world applications. Skills Practice Lab, The Photoelectric Effect, SE Students use a phototube and photoelectric-effect device to observe and measure the photoelectric effect. Datasheet, The Photoelectric Effect, ANC Students use the datasheet to complete the intext lab. CLOSE (10 MINUTES) Section Review, SE Students answer review questions, critical-thinking questions, and interpreting-graphics questions that assess their understanding of the section objectives. Study Guide, Quantization of Energy, ANC Use this worksheet to review the main concepts presented in the section. Section Quiz, ANC Use this quiz to assess students' understanding of the section. (BASIC)
3 OTHER RESOURCE OPTIONS Holt Online Learning Students can access interactive problem-solving help and active visual concept development with the Holt Physics Online Edition available at my.hrw.com. Problem Workbook, Sample Set A: Quantum Energy, ANC This worksheet provides an additional example problem and several practice problems that cover quantum energy. (BASIC) Problem Bank, Sample Set A: Quantum Energy, OSP This worksheet provides a third example problem and several practice problems that cover quantum energy. (BASIC) Problem Workbook, Sample Set B: The Photoelectric Effect, ANC This worksheet provides an additional example problem and several practice problems that cover the photoelectric effect. Problem Bank, Sample Set B: The Photoelectric Effect, osp This worksheet provides a third example problem and several practice problems that cover the photoelectric effect. SciLinks, Online Students can visit to find internet resources related to the chapter content. Topic: Max Planck SciLinks Code: HF60923 SciLinks, Online Students can visit to find internet resources related to the chapter content. Topic: Photoelectric Effect SciLinks Code: HF61138
4 SECTION 2 Models of the Atom PACING Regular Schedule: with lab(s): N/A days without lab(s): 1 days Block Schedule: with lab(s): N/A days without lab(s): 0.5 days OBJECTIVES 1. Explain the strengths and weaknesses of Rutherford s model of the atom. 2. Recognize that each element has a unique emission and absorption spectrum. 3. Explain atomic spectra using Bohr s model of the atom. 4. Interpret energy-level diagrams. NATIONAL SCIENCE EDUCATION STANDARDS UCP 1: Systems, order, and organization UCP 2: Evidence, models, and explanation UCP 3: Change, consistency, and measurements UCP 5: Form and function SAI 1: Abilities to do scientific inquiry SAI 2: Understanding about scientific inquiry ST 1: Abilities of technological design ST 2: Understanding about science and technology HNS 1: Science as a human endeavor HNS 3: History of science SPSP 1: Personal health SPSP 4: Risks and benefits SPSP 5: Science and technology in society PS1a: Matter is made of minute particles called atoms, and atoms are composed of even smaller components. These components have measurable properties, such as mass and electrical charge. Each atom has a positively charged nucleus surrounded by negatively charged electrons. The electric force between the nucleus and electrons holds the atoms together. PS6c: Each kind of atom or molecule can gain or lose energy only in particular discrete amounts and thus can absorb and emit light only at wavelengths corresponding to these amounts. These wavelengths can be used to identify the substance. FOCUS (5 MINUTES)
5 Overview Review the objectives listed in the Student Edition. MOTIVATE (5 MINUTES) Demonstration, Particle Scattering, TE This demonstration shows students the research method used in Rutherford s gold-foil experiment. Demonstration, Spectral Lines, TE This demonstration allows students to view the spectral lines of different gases. TEACH (25 MINUTES) PowerNotes Resources Use the customizable presentation to help students master the concepts in this section. Quick Lab, Atomic Spectra, SE Students observe several different light sources through a diffraction grating can compare the results from each light source. Datasheet, Atomic Spectra Students use the datasheet to complete the in-text QuickLab Visual Strategy, Figure 13, TE Students describe how the absorption spectrum was produced and why most of the emission spectrum is dark and the absorption spectrum is light. (BASIC) Appendix J: Advanced Topics, Semiconductor Doping, SE This feature allows students to explore higher-level concepts related to the chapter. (ADVANCED) Conceptual Challenge, p. 767, SE These conceptual questions challenge students to apply the section content to real-world applications. Sample Set C, Interpreting Energy-Level Diagrams, SE This sample and practice problem set covers energy-level diagrams. (ADVANCED) CLOSE (10 MINUTES) Section Review, SE Students answer review questions, critical-thinking questions, and interpreting-graphics questions that assess their understanding of the section objectives. Study Guide, Models of the Atom, ANC Use this worksheet to review the main concepts presented in the section. Section Quiz, ANC Use this quiz to assess students' understanding of the section. (BASIC) OTHER RESOURCE OPTIONS Holt Online Learning Students can access interactive problem-solving help and active visual concept development with the Holt Physics Online Edition available at my.hrw.com. Integrating Technology, Seeing Atoms: The STM, Online Students can visit my.hrw.com and enter the keyword HF6ATMX to find this activity. Teacher resources can be found by entering the keyword HF6ATMXT.
6 Problem Workbook, Sample Set C: Interpreting Energy-Level Diagrams, ANC This worksheet provides an additional example problem and several practice problems that cover energy-level diagrams. (ADVANCED) Problem Bank, Sample Set C: Interpreting Energy-Level Diagrams, OSP This worksheet provides a third example problem and several practice problems that cover energy-level diagrams. (ADVANCED) SciLinks, Online Students can visit to find internet resources related to the chapter content. Topic: Early Atomic Theory SciLinks Code: HF60442 SciLinks, Online Students can visit to find internet resources related to the chapter content. Topic: Modern Atomic Theory SciLinks Code: HF60978
7 SECTION 3 Quantum Mechanics PACING Regular Schedule: with lab(s): N/A days without lab(s): 1 days Block Schedule: with lab(s): N/A days without lab(s): 0.5 days OBJECTIVES 1. Recognize the dual nature of light and matter. 2. Calculate the de Broglie wavelength of matter waves. 3. Distinguish between classical ideas of measurement and Heisenberg s uncertainty principle. 4. Describe the quantum-mechanical picture of the atom, including the electron cloud and probability waves. NATIONAL SCIENCE EDUCATION STANDARDS UCP 1: Systems, order, and organization UCP 2: Evidence, models, and explanation UCP 3: Change, consistency, and measurements HNS 1: Science as a human endeavor HNS 3: History of science FOCUS (5 MINUTES) Overview Review the objectives listed in the Student Edition. MOTIVATE (5 MINUTES) Teaching Tip, p. 772, TE Present an advanced derivation for students to work through to answer why the wavelength of a photon is equal to Planck s constant divided by momentum. (ADVANCED) TEACH (25 MINUTES) PowerNotes Resources Use the customizable presentation to help students master the concepts in this section. Appendix J: Advanced Topics, De Broglie Waves, SE This feature allows students to explore higher-level concepts related to the chapter. (ADVANCED) Sample Set D, De Broglie Waves, SE This sample and practice problem set covers de Broglie waves. Classroom Practice, De Broglie Waves, TE Use these problems as a teamwork exercise or for demonstration at the board or on an overhead projector.
8 Visual Strategy, Figure 18, TE Students determine the electron s wavelength in the first orbit. Demonstration, Probability Distribution, TE This demonstration illustrates the wave function as a probability function. CLOSE (10 MINUTES) Section Review, SE Students answer review questions, critical-thinking questions, and interpreting-graphics questions that assess their understanding of the section objectives. Study Guide, Quantum Mechanics, ANC Use this worksheet to review the main concepts presented in the section. Section Quiz, ANC Use this quiz to assess students' understanding of the section. OTHER RESOURCE OPTIONS Holt Online Learning Students can access interactive problem-solving help and active visual concept development with the Holt Physics Online Edition available at my.hrw.com. Problem Workbook, Sample Set D: De Broglie Waves, ANC This worksheet provides an additional example problem and several practice problems that cover de Broglie waves. Problem Bank, Sample Set D: De Broglie Waves, OSP This worksheet provides a third example problem and several practice problems that cover de Broglie waves.
9 END OF CHAPTER REVIEW AND ASSESSMENT PACING Regular Schedule: with lab(s): N/A days without lab(s): 2 days Block Schedule: with lab(s): N/A days without lab(s): 1 days Chapter Highlights, p. 778, SE This page summarizes the vocabulary terms and key concepts of the chapter. Chapter Review, pp , SE Students review the chapter material with review questions, conceptual questions, practice problems, and a mixed review section. Alternative Assessment, p. 781, SE These projects challenge students to apply and extend concepts that they have learned in the chapter. (ADVANCED) Graphing Calculator Practice, p. 780, SE Students program their graphing calculators to determine the de Broglie wavelength for a particle given the particle s mass and speed. Standardized Test Prep, pp , SE This feature helps students sharpen their testtaking abilities while reviewing the chapter content. Appendix D: Equations, p. 864, SE This appendix summarizes the equations introduced in the chapter. Appendix I: Additional Problems, pp , SE This appendix provides additional mixed practice problems that cover the equations introduced in the chapter. Study Guide, Mixed Review, ANC Students can use this worksheet to review the main concepts of the chapter in preparation for the chapter test. Holt PuzzlePro Use this software to create crossword puzzles and word searches that make learning vocabulary fun. Chapter Test A, ANC Assign this test for general-level chapter assessment. Chapter Test B, ANC Assign this test for advanced-level chapter assessment. (ADVANCED) Test Generator Create a customized homework assignment, quiz, or test using the
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