Lesson Plan CHAPTER 5 Work and Energy Chapter Opener __ Tapping Prior Knowledge, TE Review previously learned concepts and check for preconceptions about the chapter content. __ Discovery Lab, Exploring Work and Energy, ANC Students measure the force required to move a mass over a certain distance, and they compare the force required to move different masses over different time intervals. (BASIC) SECTION 1 Work PACING Regular Schedule: Block Schedule: with lab(s): N/A days with lab(s): N/A days without lab(s): 1 days without lab(s): 0.5 days STATE OBJECTIVES III. Energy A. Gravitational potential energy B. Energy in springs D. Work and power A. Gravitational potential energy Ch 5 Sec 2 Energy 5.2.1. Identify Several forms of energy 5.2.2. Calculate kinetic energy for an object. 5.2.3. Apply the work-kinetic energy theorem to solve problems. 5.2.4. Distinguish between kinetic and potential energy. 5.2.5. Classify different types of potential energy. 5.2.6. Calculate the potential energy associated with an object’s position. B. Energy in springs Ch 5 Sec 2 Energy 5.2.1. Identify several forms of energy. 5.2.2. Calculate kinetic energy for an object. 5.2.3. Apply the work-kinetic energy theorem to solve problems. 5.2.4. Distinguish between kinetic and potential energy. 5.2.5. Classify different types of potential energy. 5.2.6. Calculate the potential energy associated with an object’s position. D. Work and power Ch 5 Sec 1 Work 5.1.1. Recognize the difference between the scientific and ordinary definitions of work. 5.1.2. Define work by relating it to force and displacement. 5.1.3. Identify where work is being performed in a variety of situations. 5.1.4. Calculate the net work done when many forces are applied to an object. D. Work and power Ch 5 Sec 3 Power 5.3.1. Identify situations in which conservation of mechanical energy is valid. 5.2.2. Recognize the forms that conserved energy can take. 5.2.3. Solve problems using conservation of mechanical energy. OBJECTIVES 1. Recognize the difference between the scientific and ordinary definitions of work. 2. Define work by relating it to force and displacement. 3. Identify where work is being performed in a variety of situations. 4. Calculate the net work done when many forces are applied to an object. Lesson Plan NATIONAL SCIENCE EDUCATION STANDARDS UCP 1: Systems, order, and organization UCP 2: Evidence, models, and explanation UCP 3: Change, consistency, and measurements SAI 1: Abilities to do scientific inquiry SAI 2: Understanding about scientific inquiry FOCUS (5 MINUTES) __ Overview Review the objectives listed in the Student Edition. (GENERAL) MOTIVATE (5 MINUTES) __ Demonstration, Work, TE Use a spring scale, a book, and a string to determine whether work is being done in various situations. (BASIC) TEACH (25 MINUTES) __ PowerNotes® Resources Use the customizable presentation to help students master the concepts in this section. (GENERAL) __ Sample Set A, Work, SE This sample and practice problem set covers work. (GENERAL) __ Classroom Practice, Work, TE Use this problem as a teamwork exercise or for demonstration at the board or on an overhead projector. (GENERAL) __ Teaching Tip, p. 163, TE Write a table on the board that helps students remember how direction of force affects work. (BASIC) 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. (GENERAL) __ Study Guide, Work, ANC Use this worksheet to review the main concepts presented in the section. (GENERAL) __ 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. __ Problem Workbook, Sample Set A: Work, ANC This worksheet provides an additional example problem and several practice problems that cover work. (GENERAL) Lesson Plan __ Problem Bank, Sample Set A: Work, OSP This worksheet provides a third example problem and several practice problems that cover work. (GENERAL) __ Integrating Biology, Muscles and Work, Online Students can visit my.hrw.com and enter the keyword HF6WRKX to find this activity. Teacher resources can be found by entering the keyword HF6WRKXT. __ SciLinks, Online Students can visit www.scilinks.org to find internet resources related to the chapter content. Topic: Work SciLinks Code: HF61674 Lesson Plan SECTION 2 Energy PACING Regular Schedule: Block Schedule: with lab(s): N/A days with lab(s): N/A days without lab(s): 2 days without lab(s): 1 days STATE OBJECTIVES III. Energy A. Gravitational potential energy B. Energy in springs D. Work and power A. Gravitational potential energy Ch 5 Sec 2 Energy 5.2.1. Identify Several forms of energy 5.2.2. Calculate kinetic energy for an object. 5.2.3. Apply the work-kinetic energy theorem to solve problems. 5.2.4. Distinguish between kinetic and potential energy. 5.2.5. Classify different types of potential energy. 5.2.6. Calculate the potential energy associated with an object’s position. B. Energy in springs Ch 5 Sec 2 Energy 5.2.1. Identify several forms of energy. 5.2.2. Calculate kinetic energy for an object. 5.2.3. Apply the work-kinetic energy theorem to solve problems. 5.2.4. Distinguish between kinetic and potential energy. 5.2.5. Classify different types of potential energy. 5.2.6. Calculate the potential energy associated with an object’s position. D. Work and power Ch 5 Sec 1 Work 5.1.1. Recognize the difference between the scientific and ordinary definitions of work. 5.1.2. Define work by relating it to force and displacement. 5.1.3. Identify where work is being performed in a variety of situations. 5.1.4. Calculate the net work done when many forces are applied to an object. D. Work and power Ch 5 Sec 3 Power 5.3.1. Identify situations in which conservation of mechanical energy is valid. 5.2.2. Recognize the forms that conserved energy can take. 5.2.3. Solve problems using conservation of mechanical energy. OBJECTIVES 1. Identify several forms of energy. 2. Calculate kinetic energy for an object. 3. Apply the work-kinetic energy theorem to solve problems. 4. Distinguish between kinetic and potential energy. 5. Classify different types of potential energy. 6. Calculate the potential energy associated with an object’s position. 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 Lesson Plan HNS 3: History of science FOCUS (5 MINUTES) __ Overview Review the objectives listed in the Student Edition. (GENERAL) MOTIVATE (5 MINUTES) __ Misconception Alert, p. 164, TE Use examples to illustrate that kinetic energy depends on the direction of motion. (BASIC) TEACH (70 MINUTES) __ PowerNotes® Resources Use the customizable presentation to help students master the concepts in this section. (GENERAL) __ Sample Set B, Kinetic Energy, SE This sample and practice problem set covers kinetic energy. (GENERAL) __ Classroom Practice, Kinetic Energy, TE Use this problem as a teamwork exercise or for demonstration at the board or on an overhead projector. (GENERAL) __ Sample Set C, Work-Kinetic Energy Theorem, SE This sample and practice problem set covers the work-kinetic energy theorem. (GENERAL) __ Classroom Practice, Work-Kinetic Energy Theorem, TE Use this problem as a teamwork exercise or for demonstration at the board or on an overhead projector. (GENERAL) __ Demonstration, Potential Energy, TE Use a racquetball cut in half to demonstrate that potential energy is stored energy. (GENERAL) __ Teaching Tip, p. 170, TE Ask students a series of questions about how the amount of potential energy depends on what reference point is being used. (ADVANCED) __ Sample Set D, Potential Energy, SE This sample and practice problem set covers potential energy. (GENERAL) __ Classroom Practice, Potential Energy, TE Use this problem as a teamwork exercise or for demonstration at the board or on an overhead projector. (GENERAL) 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. (GENERAL) __ Study Guide, Energy, ANC Use this worksheet to review the main concepts presented in the section. (GENERAL) __ Section Quiz, ANC Use this quiz to assess students' understanding of the section. (BASIC) OTHER RESOURCE OPTIONS Lesson Plan __ 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 Health, Energy Costs of Walking and Running, Online Students can visit my.hrw.com and enter the keyword HF6WRKX to find this activity. Teacher resources can be found by entering the keyword HF6WRKXT. __ Problem Workbook, Sample Set B: Kinetic Energy, ANC This worksheet provides an additional example problem and several practice problems that cover kinetic energy. (GENERAL) __ Problem Bank, Sample Set B: Kinetic Energy, OSP This worksheet provides a third example problem and several practice problems that cover kinetic energy. (GENERAL) __ Problem Workbook, Sample Set C: Work-Kinetic Energy Theorem, ANC This worksheet provides an additional example problem and several practice problems that cover the work-kinetic energy theorem. (GENERAL) __ Problem Bank, Sample Set C: Work-Kinetic Energy Theorem, OSP This worksheet provides a third example problem and several practice problems that cover the workkinetic energy theorem. (GENERAL) __ Problem Workbook, Sample Set D: Potential Energy, ANC This worksheet provides an additional example problem and several practice problems that cover potential energy. (GENERAL) __ Problem Bank, Sample Set D: Potential Energy, OSP This worksheet provides a third example problem and several practice problems that cover potential energy. (GENERAL) __ Invention Lab, Bungee Jumping: Energy, ANC Students use the equations of this chapter to develop a new bungee-cord system. (ADVANCED) __ SciLinks, Online Students can visit www.scilinks.org to find internet resources related to the chapter content. Topic: Potential and Kinetic Energy SciLinks Code: HF61196 Lesson Plan SECTION 3 Conservation of Energy PACING Regular Schedule: Block Schedule: with lab(s): 2 days with lab(s): 1 days without lab(s): 1 days without lab(s): 0.5 days STATE OBJECTIVES III. Energy A. Gravitational potential energy B. Energy in springs D. Work and power A. Gravitational potential energy Ch 5 Sec 2 Energy 5.2.1. Identify Several forms of energy 5.2.2. Calculate kinetic energy for an object. 5.2.3. Apply the work-kinetic energy theorem to solve problems. 5.2.4. Distinguish between kinetic and potential energy. 5.2.5. Classify different types of potential energy. 5.2.6. Calculate the potential energy associated with an object’s position. B. Energy in springs Ch 5 Sec 2 Energy 5.2.1. Identify several forms of energy. 5.2.2. Calculate kinetic energy for an object. 5.2.3. Apply the work-kinetic energy theorem to solve problems. 5.2.4. Distinguish between kinetic and potential energy. 5.2.5. Classify different types of potential energy. 5.2.6. Calculate the potential energy associated with an object’s position. D. Work and power Ch 5 Sec 1 Work 5.1.1. Recognize the difference between the scientific and ordinary definitions of work. 5.1.2. Define work by relating it to force and displacement. 5.1.3. Identify where work is being performed in a variety of situations. 5.1.4. Calculate the net work done when many forces are applied to an object. D. Work and power Ch 5 Sec 3 Power 5.3.1. Identify situations in which conservation of mechanical energy is valid. 5.2.2. Recognize the forms that conserved energy can take. 5.2.3. Solve problems using conservation of mechanical energy. OBJECTIVES 1. Identify situations in which conservation of mechanical energy is valid. 2. Recognize the forms that conserved energy can take. 3. Solve problems using conservation of mechanical energy. NATIONAL SCIENCE EDUCATION STANDARDS UCP 1: Systems, order, and organization UCP 2: Evidence, models, and explanation UCP 3: Change, consistency, and measurements SAI 1: Abilities to do scientific inquiry SAI 2: Understanding about scientific inquiry PS5a: The total energy of the universe is constant. Energy can be transferred by collisions Lesson Plan in chemical and nuclear reactions, by light waves and other radiations, and in many other ways. However, it can never be destroyed. As these transfers occur, the matter involved becomes steadily less ordered. PS5b: All energy can be considered to be either kinetic energy, which is the energy of motion; potential energy, which depends on relative position; or energy contained by a field, such as electromagnetic waves. FOCUS (5 MINUTES) __ Overview Review the objectives listed in the Student Edition. (GENERAL) MOTIVATE (5 MINUTES) __ Demonstration, Mechanical Energy, TE This demonstration uses a pendulum attached to a ring stand to show students two kinds of energy in a mechanical system. (ADVANCED) TEACH (70 MINUTES) __ PowerNotes® Resources Use the customizable presentation to help students master the concepts in this section. (GENERAL) __ Appendix J: Advanced Topics, The Equivalence of Mass and Energy, SE This feature allows students to explore higher-level concepts related to the chapter. (ADVANCED) __ Demonstration, Conservation of Energy, TE This demonstration uses a steel ball and a spring balance to demonstrate the conservation of mechanical energy. (ADVANCED) __ Quick Lab, Mechanical Energy, SE Students observe the motion of a ball on a spring scale and predict how high other balls of different weights will bounce when released. (GENERAL) __ Datasheet, Mechanical Energy Students use the datasheet to complete the in-text QuickLab (GENERAL) __ Sample Set E, Conservation of Mechanical Energy, SE This sample and practice problem set covers conservation of mechanical energy. (GENERAL) __ Classroom Practice, Conservation of Mechanical Energy, TE Use this problem as a teamwork exercise or for demonstration at the board or on an overhead projector. (GENERAL) __ Misconception Alert, p. 178, TE Use an example to emphasize that although mechanical energy is not always conserved, total energy is. (ADVANCED) __ Skills Practice Lab, Conservation of Mechanical Energy, SE Students determine the spring constant of a spring, calculate elastic potential energy, calculate gravitational potential energy, and determine whether mechanical energy is conserved in an oscillating spring. (GENERAL) __ Datasheet, Conservation of Mechanical Energy, ANC Students use the datasheet to complete the in-text lab. (GENERAL) Lesson Plan 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. (GENERAL) __ Study Guide, Conservation of Energy, ANC Use this worksheet to review the main concepts presented in the section. (GENERAL) __ 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. __ Problem Workbook, Sample Set E: Conservation of Mechanical Energy, ANC This worksheet provides an additional example problem and several practice problems that cover conservation of mechanical energy. (GENERAL) __ Problem Bank, Sample Set E: Conservation of Mechanical Energy, OSP This worksheet provides a third example problem and several practice problems that cover conservation of mechanical energy. (GENERAL) __ CBLTM Experiment, Conservation of Mechanical Energy, ANC In this Skills Practice CBL lab, students determine the spring constant of a spring, calculate elastic potential energy, calculate gravitational potential energy, and determine whether mechanical energy is conserved in an oscillating spring. (GENERAL) __ SciLinks, Online Students can visit www.scilinks.org to find internet resources related to the chapter content. Topic: Conservation of Energy SciLinks Code: HF60345 Lesson Plan SECTION 4 Power PACING Regular Schedule: Block Schedule: with lab(s): N/A days with lab(s): N/A days without lab(s): 1 days without lab(s): 0.5 days STATE OBJECTIVES III. Energy A. Gravitational potential energy B. Energy in springs D. Work and power A. Gravitational potential energy Ch 5 Sec 2 Energy 5.2.1. Identify Several forms of energy 5.2.2. Calculate kinetic energy for an object. 5.2.3. Apply the work-kinetic energy theorem to solve problems. 5.2.4. Distinguish between kinetic and potential energy. 5.2.5. Classify different types of potential energy. 5.2.6. Calculate the potential energy associated with an object’s position. B. Energy in springs Ch 5 Sec 2 Energy 5.2.1. Identify several forms of energy. 5.2.2. Calculate kinetic energy for an object. 5.2.3. Apply the work-kinetic energy theorem to solve problems. 5.2.4. Distinguish between kinetic and potential energy. 5.2.5. Classify different types of potential energy. 5.2.6. Calculate the potential energy associated with an object’s position. D. Work and power Ch 5 Sec 1 Work 5.1.1. Recognize the difference between the scientific and ordinary definitions of work. 5.1.2. Define work by relating it to force and displacement. 5.1.3. Identify where work is being performed in a variety of situations. 5.1.4. Calculate the net work done when many forces are applied to an object. D. Work and power Ch 5 Sec 3 Power 5.3.1. Identify situations in which conservation of mechanical energy is valid. 5.2.2. Recognize the forms that conserved energy can take. 5.2.3. Solve problems using conservation of mechanical energy. OBJECTIVES 1. Relate the concepts of energy, time, and power. 2. Calculate power in two different ways. 3. Explain the effect of machines on work and power. 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 ST 1: Abilities of technological design ST 2: Understanding about science and technology SPSP 5: Science and technology in society PS5b: All energy can be considered to be either kinetic energy, which is the energy of Lesson Plan motion; potential energy, which depends on relative position; or energy contained by a field, such as electromagnetic waves. FOCUS (5 MINUTES) __ Overview Review the objectives listed in the Student Edition. (GENERAL) MOTIVATE (5 MINUTES) __ Teaching Tip, p. 179, TE Have students calculate power both ways in a simple example. (GENERAL) __ Conceptual Challenge, p. 179, SE These conceptual questions challenge students to apply the section content to real-world applications. (GENERAL) TEACH (25 MINUTES) __ PowerNotes® Resources Use the customizable presentation to help students master the concepts in this section. (GENERAL) __ Sample Set F, Power, SE This sample and practice problem set covers power. (GENERAL) __ Classroom Practice, Power, TE Use this problem as a teamwork exercise or for demonstration at the board or on an overhead projector. (GENERAL) 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. (GENERAL) __ Study Guide, Power, ANC Use this worksheet to review the main concepts presented in the section. (GENERAL) __ 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 Chemistry, Chemical Reactions, Online Students can visit my.hrw.com and enter the keyword HF6WRKX to find this activity. Teacher resources can be found by entering the keyword HF6WRKXT. __ Problem Workbook, Sample Set F: Power, ANC This worksheet provides an additional example problem and several practice problems that cover power. (GENERAL) __ Problem Bank, Sample Set F: Power, OSP This worksheet provides a third example problem and several practice problems that cover power. (GENERAL) __ CBLTM Experiment, Loss of Mechanical Energy, ANC In this scenario-based CBL Lesson Plan lab, Students use CBLs and sensors to develop a model to find the amount of kinetic energy possessed by a volleyball when it falls onto an automobile. (ADVANCED) Lesson Plan END OF CHAPTER REVIEW AND ASSESSMENT PACING Regular Schedule: Block Schedule: with lab(s): N/A days with lab(s): N/A days without lab(s): 2 days without lab(s): 1 days __ Chapter Highlights, p. 183, SE This page summarizes the vocabulary terms and key concepts of the chapter. __ Chapter Review, pp. 184–189, SE Students review the chapter material with review questions, conceptual questions, practice problems, and a mixed review section. __ Alternative Assessment, p. 189, SE These projects challenge students to apply and extend concepts that they have learned in the chapter. (ADVANCED) __ Graphing Calculator Practice, p. 188, SE Students program their graphing calculators to determine how much work is done on a sled by a person pulling on the sled on level ground in various situations. (GENERAL) __ Standardized Test Prep, pp. 190–191, SE This feature helps students sharpen their testtaking abilities while reviewing the chapter content. (GENERAL) __ Appendix D: Equations, p. 856, SE This appendix summarizes the equations introduced in the chapter. __ Appendix I: Additional Problems, pp. 883-884, 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. (GENERAL) __ 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. (GENERAL) __ 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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