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Bensalem Township School District Grade Level / Course Guide Grade:_9-12__ Subject / Course: ___Tech Ed Prep Electronics__ Unit: __Mixed Grade Level 9-12____ Content Standard Statement Expectations for Students Instructional Resources Assessment A. Introduction 1.Electronics career and course overview 2. Course procedures 3. Grading parameters 4. Course description 5. Course requirements B. Electronics Safety 1. Electrical hazards in the home and in industry 2. Safe working procedures 3. Physiological effects of electrical shock Literary Profile 3.7.10-12 The student will be able to describe safety hazards both at home and in the industrial environment. Lecture and demonstration Safety handout Safety film Post test based on Safety film. Observation of safe working practices in the lab. The student will be able to explain how to avoid hazardous situations when working with electricity. Content Area Portfolio He or she will be able to display safe practices when using tools and equipment common to the industry. C. Electricity: description and definition 1. Electron theory 2. Charges 3. Conductors 4. Insulators 5. Potential Voltage 6. Current – Amperes 7. Resistance – Ohms 8. Electrical circuits Portfolio Assessments 3.4-10 The student will be able to describe and illustrate the structure of a simple atom. The student will be able to explain how a simple circuit operates describing the three characteristics, potential, current and resistance. Lecture and demonstration Textbook and worksheet Multiple choice examination, including illustrations of the structure of atoms and simple circuits. Extensions Gr.9-12 Tech Ed Prep Electronics Content p.2 Standard Statement Expectations for Students D. Ohm’s Law 1. What is Ohm’s Law? 2. How is Ohm’s Law used? 3. Practice Ohm’s Law worksheets and test 4. Ohm’s Law experiment 3.4-10 The student will be able to explain the relationship between voltage, current and resistance. E. Basic Soldering 1. Structure of solder 2. Soldering and de-soldering equipment 3. Tinning a wire 4. Soldering solid wire 5. Securing wire to terminals 6. The Western Union splice 7. Pigtail connections 8. Tap or vampire splice 9. Soldering on printed circuit boards 10. Soldering practice project 3.7.10-12 F. Series Circuits 1. Series circuit theory 2. Series – parallel circuits 3. Identifying series circuits 4. Voltage drops 5. Total resistance 6. Series circuit applications 7. Voltage dividers 8. Determining unknown values 3.4.10 Instructional Resources Lecture and demonstration Assessment Ohm’s Law problem test Ohm’s Law worksheets The student can resolve problems involving Ohm’s Law. The student will be able to explain which type of solder is used in the electronics industry. Lecture and demonstration Evaluation of the individual solder project. Solder Practice project The student will construct a practice solder project demonstrating proper soldering and mechanical techniques. The student will be able to differentiate between series and parallel circuits. The student will be able to calculate series circuit values including total resistance, voltage drops and series current flow. Lecture and demonstration Evaluation of series circuit experiment report sheet. Portfolio Assessments Extensions Gr.9-12 Tech Ed Prep Electronics Content p.3 Standard Statement Expectations for Students G. Resistor Fundamentals 1. Types of resistors 2. Resistor color code 3. Resistor color code practice 3.7.10 The student will be able to identify various type of resistors and will be able to list their value using the resistor color code. H. Electronic Device Construction 1. Safety considerations 2. Semiconductor identification 3. Heat sinking components 4. Identifying capacitors 5. Lead preparation 6. Installation of components on printed circuit boards 7. Project testing 8. Enclosure construction 9. Project completion 3.7.10 I. Multimeters 1. Analog and digital multimeters 2. Uses of multimeters 3. Safety when using multimeters 4. Advantages and disadvantages of analog and digital meters 5. Reading the dial face on the Simpson 360 6. Making voltage measurements 7. Making current measurements 8. Making resistance measurements 9. Special meter functions 10. Care of multimeters 3.7.10 Instructional Resources Lecture, demonstration and worksheet Demonstration of construction techniques Assessment Worksheet Observation of resistor identification during project construction. The student will construct and test an electronic project (Battery Tester). The project will be housed in a case designed and constructed by the student. The student will be able to set up and use an analogical/digital multimeter to measure electrical circuits Meter illustration, Simpson 360 Analog multimeter. Fluke Model 77 Digital multimeter. Evaluate meter reading worksheet Portfolio Assessments Extensions Gr. 9-12 Tech Ed Prep Electronics Content p.4 Standard Statement J. Series Circuit Construction and Experiment 1. Building a series resistive circuit 2. Calculating total resistance 3. Calculating current flow 4. Calculating voltage drops across each component 5. Using the Simpson 360 multimeter to measure values 6. Conclusions 3.7.10 K. Electronic project Construction 1. Resistive color code 2. Component identification 3. Soldering to PCBs 4. Project construction, building the battery tester 5. Project testing 3.7.10 Expectations for Students Instructional Resources The student will build a series circuit and will complete an experiment on the circuit measuring circuit parameters Shop tools, equipment and supplies. The student will build an electronic circuit and construct a case to house the project. The Battery Tester project. Graymark Electronic Project #136P Battery Tester. Shop tools and materials The student will troubleshoot, analyze and repair the circuit if it fails to operate. Simpson 360 Analog Multimeter Assessment Evaluate series circuit worksheet Portfolio Assessments Extensions