Lesson Plan Chapter 18 Electrical Circuits

1 Lesson plan Chapter 18 Electrical Circuits Chapter 18 Chapter 18 Circuits and circuit Elements Chapter Opener __ Tapping Prior Knowledge, TE Review previously learned concepts and check for preconceptions about the Chapter content. __ Discovery Lab, Exploring circuit Elements, ANC Students measure current, resistance, and potential difference across various resistors and graph and interpret the relationship between the potential difference and current for various resistors. (BASIC) __ Visual Concepts CD-ROM This CD-ROM consists of multimedia presentations of core physics concepts. (BASIC) SECTION 1 Schematic Diagrams and Circuits 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): days STATE OBJECTIVES V. Electricity and magnetism Circuits s law Circuits Circuits Circuits conservation of Charge and energy (junction and loop rules) OBJECTIVES 1.

2 Interpret and construct circuit diagrams. 2. Identify Circuits as open or closed. 3. Deduce the potential difference across the circuit load, given the potential difference across the battery s terminals. NATIONAL SCIENCE EDUCATION STANDARDS UCP 1: Systems, order, and organization UCP 2: Evidence, models, and explanation UCP 3: Change, consistency, and measurements UCP 4: Evolution and equilibrium Lesson plan Chapter 18 Electrical Circuits Chapter 18 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 SPSP 4: Risks and benefits SPSP 5: Science and technology in society FOCUS (5 MINUTES) __ Overview Review the objectives listed in the Student Edition.

3 (GENERAL) MOTIVATE (5 MINUTES) __ Visual Strategy, Figure 1, TE Students look at the group of elements in the figure and decide what information is not relevant to its function and is unnecessary in a schematic. (GENERAL) __ Visual Strategy, Figure 1, TE Students identify the parts of the photo symbolized by the black straight lines in the diagrams. (GENERAL) __ Visual Strategy, Table 1, TE Students identify which devices have particular functions. (ADVANCED) TEACH (25 MINUTES) __ PowerNotes Resources Use the customizable presentation to help students master the concepts in this section. (GENERAL) __ Conceptual Challenge, p. 642, SE These conceptual questions challenge students to apply the section content to real-world applications. (GENERAL) __ Quick Lab, Simple Circuits , SE Students experiment with a battery, a wire, and a light bulb to see what arrangements produce light.

4 (GENERAL) __ Datasheet, Simple Circuits Students use the datasheet to complete the in-text QuickLab (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, Schematic Diagrams and Circuits , 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) Lesson plan Chapter 18 Electrical Circuits Chapter 18 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 __ Integrating Technology, Incandescent Light Bulbs, Online Students can visit and enter the keyword HF6 CIRX to find this activity.

5 Teacher resources can be found by entering the keyword HF6 CIRXT. (GENERAL) __ SciLinks, Online Students can visit to find internet resources related to the Chapter content. Topic: Circuits SciLinks Code: HF60471 Lesson plan Chapter 18 Electrical Circuits Chapter 18 SECTION 2 Resistors in Series or in Parallel PACING Regular Schedule: with lab(s): 3 days without lab(s): 2 days Block Schedule: with lab(s): days without lab(s): 1 days OBJECTIVES 1. Calculate the equivalent resistance for a circuit of resistors in series, and find the current in and potential difference across each resistor in the circuit . 2. Calculate the equivalent resistance for a circuit of resistors in parallel, and find the current in and potential difference across each resistor in the circuit . 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 SPSP 5: Science and technology in society FOCUS (5 MINUTES) __ Overview Review the objectives listed in the Student Edition.

6 (GENERAL) MOTIVATE (5 MINUTES) __ Demonstration, Resistors in Series, TE This demonstration helps students learn that series Circuits require all elements to conduct. (BASIC) __ Visual Strategy, Figure 9, TE Students decide how the current within the battery compares to the circuit current. (GENERAL) __ Visual Strategy, Figure 10, TE Students explain why the current in the figure did not have to be labeled in a certain way. (GENERAL) TEACH (115 MINUTES) __ PowerNotes Resources Use the customizable presentation to help students master the concepts in this section. (GENERAL) Lesson plan Chapter 18 Electrical Circuits Chapter 18 __ Sample Set A, Resistors in Series, SE This sample and practice problem set covers resistors in series. (GENERAL) __ Classroom Practice, Resistors in Series, SE Use this problem as a teamwork exercise or for demonstration at the board or on an overhead projector.

7 (GENERAL) __ Visual Strategy, Figure 11, TE Students explain whether the other light bulbs would light if a wire were attached from the base of the burned-out bulb to its threads. (GENERAL) __ Visual Strategy, Figure 12, TE Students decide what parts of the circuit would have current if all of the bulbs except the last one had broken filaments. (BASIC) __ Quick Lab, Series and Parallel Circuits , SE Students arrange straws and coffee stirrers in series or in parallel Circuits and blow through each combination to compare airflow. (GENERAL) __ Datasheet, Series and Parallel Circuits Students use the datasheet to complete the in-text QuickLab (GENERAL) __ Visual Strategy, Figure 13, TE Students use numerical values to answer questions about the figure. (GENERAL) __ Demonstration, Resistors in Parallel, TE This demonstration shows students that parallel Circuits do not require all elements to (BASIC) __ Conceptual Challenge, p.

8 653, SE These conceptual questions challenge students to apply the section content to real-world applications. (GENERAL) __ Sample Set B, Resistors in Parallel, SE This sample and practice problem set covers resistors in parallel. (GENERAL) __ Classroom Practice, Resistors in Parallel, TE Use this problem as a teamwork exercise or for demonstration at the board or on an overhead projector. (GENERAL) __ Inquiry Lab, Resistors in Series and in Parallel, SE Students compare the Circuits created by wiring two unknown resistors both in series and in parallel and use their measurements to find the value of the resistance of each resistor. (GENERAL) __ Datasheet, Resistors in Series and in Parallel, ANC Students use the datasheet to complete the in-text lab. (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.

9 (GENERAL) __ Study Guide, Resistors in Series or in Parallel, 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 Lesson plan Chapter 18 Electrical Circuits Chapter 18 visual concept development with the Holt Physics Online Edition available at __ Problem Workbook, Sample Set A: Resistors in Series, ANC This worksheet provides an additional example problem and several practice problems that cover resistors in series. (GENERAL) __ Problem Bank, Sample Set A: Resistors in Series, OSP This worksheet provides a third example problem and several practice problems that cover resistors in series.

10 (GENERAL) __ Problem Workbook, Sample Set B: Resistors in Parallel, ANC This worksheet provides an additional example problem and several practice problems that cover resistors in parallel. (GENERAL) __ Problem Bank, Sample Set B: Resistors in Parallel, OSP This worksheet provides a third example problem and several practice problems that cover resistors in parallel. (GENERAL) __ Datasheet, Resistors in Series and in Parallel, ANC Students use the datasheet to complete a Skills Practice version of the in-text lab. (GENERAL) __ CBLTM Experiment, Resistors in Series and in Parallel, ANC In this Skills Practice CBL lab, students compare the Circuits created by wiring two unknown resistors both in series and in parallel and use their measurements to find the value of the resistance of each resistor.