Lesson+2+-+Electronics

 **Preface ** This lesson is an overview and introduction to basic electronics and circuits with a focus on some of the most basic devices and their functions. Students will be introduced to electrical circuit diagrams and asked to create them. In this lesson students will observe how the electron flow merges with technology through electronic circuits. Almost any device that uses electricity can be broken down into basic electronic circuits and the electronic devices in those circuits.  This lesson will bridge the gap between Lesson 6.1 What is Electricity? where students learned about how electrons flow as well as provide the knowledge needed to go from electric flow through simple circuits to develop understanding for Lesson 6.3 Digital Electronics where students will see how electronic devices, especially the transistor, are used to create integrated circuit chips that function based on logic.  **Concepts ** 1. An electrical circuit is a system made up of conductors and electrical components that form a complete path for electrical current. 2. Engineers use circuit diagrams to communicate components and functions of electrical circuits. 3. A variety of electronic components are incorporated into electrical circuits by engineers to achieve specific functions. 4. When building or diagnosing circuits, it is important to be able to measure voltage, current, and resistance. 5. Ohm’s Law explains the mathematical relationship between voltage, current, and resistance. 6. The transistor is an important electronic device because it allows a small amount of current to control a larger amount of current. 7. Engineers, designers, and engineering technologists are needed in high demand for the development of future technology to meet societal needs and wants.  <span style="font-family: 'Arial','sans-serif'; font-size: 12pt;"> **<span style="font-family: 'Arial','sans-serif';">Performance Objectives ** //<span style="font-family: 'Arial','sans-serif'; font-size: 12pt;">It is expected that students will: // · <span style="font-family: 'Arial','sans-serif';">Build series, parallel, and combination electrical circuits. · <span style="font-family: 'Arial','sans-serif';">Create circuit diagrams using standardized schematic symbols. · <span style="font-family: 'Arial','sans-serif';">Build and test physical electrical circuits based upon circuit diagrams. · <span style="font-family: 'Arial','sans-serif';">Integrate DC sources, lamps, switches, diodes, light emitting diodes, resistors, and capacitors into electrical circuits to achieve specific functions. · <span style="font-family: 'Arial','sans-serif';">Distinguish between the functions and operations of fixed resistors, variable resistors, and photo resistors. · <span style="font-family: 'Arial','sans-serif';">Determine the value of a fixed resistor based upon the color codes on those resistors. · <span style="font-family: 'Arial','sans-serif';">Measure voltage, current, and resistance using a multimeter. · <span style="font-family: 'Arial','sans-serif';">Mathematically calculate voltage, current, and resistance using Ohm’s law. · <span style="font-family: 'Arial','sans-serif';">Create a circuit that uses a transistor as a switch. <span style="font-family: 'Arial','sans-serif'; font-size: 12pt;"> **<span style="font-family: 'Arial','sans-serif';">Assessment ** //<span style="font-family: 'Arial','sans-serif'; font-size: 12pt;">Application // · <span style="font-family: 'Arial','sans-serif';">Students will create a circuit diagram and prototype a device that will make their lives easier or more enjoyable. //<span style="font-family: 'Arial','sans-serif'; font-size: 12pt;">Perspective // · <span style="font-family: 'Arial','sans-serif';">Students will recognize devices they encounter on a daily basis and theorize about what types of electrical components might be used by those devices. <span style="font-family: 'Arial','sans-serif'; font-size: 12pt;"> <span style="font-family: 'Arial','sans-serif';"> <span style="font-family: 'Arial','sans-serif'; font-size: 12pt;">1. How are series and parallel electrical circuits similar? Different? <span style="font-family: 'Arial','sans-serif'; font-size: 12pt;">2. Why is it important that those who create and use circuit diagrams use common symbols or conventions? <span style="font-family: 'Arial','sans-serif'; font-size: 12pt;">3. Why is the mathematical relationship expressed through Ohm’s Law so important for designing and evaluating electrical circuits? <span style="font-family: 'Arial','sans-serif'; font-size: 12pt;"> <span style="font-family: 'Arial','sans-serif';"> <span style="font-family: 'Arial','sans-serif'; font-size: 12pt;"> **<span style="font-family: 'Arial','sans-serif';">Day-by-Day Plans ** //<span style="font-family: 'Arial','sans-serif'; font-size: 12pt;">Time: 17 days // <span style="font-family: 'Arial','sans-serif'; font-size: 12pt;">In preparation <span style="font-family: 'Arial','sans-serif'; font-size: 12pt;">for teaching this lesson, it is strongly recommended that the teacher read the ** Lesson 6.2 Teacher Notes .** **<span style="font-family: 'Arial','sans-serif';">Days 1-2: ** · <span style="font-family: 'Arial','sans-serif';">The teacher will present ** Concepts **, ** Key Terms **, and ** Essential Questions ** in order to provide a lesson overview. · <span style="font-family: 'Arial','sans-serif';">The teacher will distribute ** Project 6.2.1 Circuit Design **, ** Schematic Symbols Chart ,** and materials that students will need to complete the activity. · <span style="font-family: 'Arial','sans-serif';">The teacher will present the **Circuit Design.ppt** while Student teams follow along to complete Activity 6.2.1 Circuit Design and individually complete the relevant portions of their Circuit Diagrams Chart. · <span style="font-family: 'Arial','sans-serif';">Students will individually complete Activity 6.2.1 Circuit Design conclusion questions. · <span style="font-family: 'Arial','sans-serif';">Students will use appropriate engineering notebook template for daily entries. **<span style="font-family: 'Arial','sans-serif';">Days 3-4: ** · <span style="font-family: 'Arial','sans-serif';">The teacher will review and collect Activity 6.2.1 Circuit Design conclusion questions. · <span style="font-family: 'Arial','sans-serif';">The teacher will distribute ** Activity 6.2.2 Switches, Diodes, and Light Emitting Diodes ** and materials that students will need to complete the activity. · <span style="font-family: 'Arial','sans-serif';">Student teams will complete Activity 6.2.2 Switches, Diodes, and Light Emitting Diodes and individually complete the relevant portions of their Circuit Diagrams Chart while the teacher assists students utilizing ** Switches, Diodes, and Light Emitting Diodes.ppt. ** · <span style="font-family: 'Arial','sans-serif';">Students will individually complete Activity 6.2.2 Switches, Diodes, and Light Emitting Diodes conclusion questions. · <span style="font-family: 'Arial','sans-serif';">Students will use appropriate engineering notebook template for daily entries. **<span style="font-family: 'Arial','sans-serif';">Days 5-7: ** · <span style="font-family: 'Arial','sans-serif';">The teacher will review and collect Activity 6.2.2 Switches, Diodes, and Light Emitting Diodes conclusion questions. · <span style="font-family: 'Arial','sans-serif';">The teacher will distribute ** Activity 6.2.3 Resistance **, ** Resistance Color Codes **, and materials that students will need to complete the activity. · <span style="font-family: 'Arial','sans-serif';">Student teams will complete Activity 6.2.3 Resistance and individually complete the relevant portions of their Circuit Diagrams Chart while the teacher assists students utilizing ** Resistance.ppt. ** · <span style="font-family: 'Arial','sans-serif';">Students will individually complete Activity 6.2.3 Resistance conclusion questions. · <span style="font-family: 'Arial','sans-serif';">Students will use appropriate engineering notebook template for daily entries. **<span style="font-family: 'Arial','sans-serif';">Days 8-9: ** · <span style="font-family: 'Arial','sans-serif';">The teacher will review and collect Activity 6.2.3 Resistance conclusion questions. · <span style="font-family: 'Arial','sans-serif';">The teacher will distribute ** Activity 6.2.4 Ohm’s Law ** and materials that students will need to complete the activity. · <span style="font-family: 'Arial','sans-serif';">Student teams will complete Activity 6.2.4 Ohm’s Law and individually complete the relevant portions of their Circuit Diagrams Chart while the teacher assists students utilizing ** Ohm’s Law.ppt **. · <span style="font-family: 'Arial','sans-serif';">Students will individually complete Activity 6.2.4 Ohm’s Law conclusion questions. · <span style="font-family: 'Arial','sans-serif';">Students will use appropriate engineering notebook template for daily entries. **<span style="font-family: 'Arial','sans-serif';">Days 10-11: ** · <span style="font-family: 'Arial','sans-serif';">The teacher will review and collect Activity 6.2.4 Ohm’s Law conclusion questions. · <span style="font-family: 'Arial','sans-serif';">The teacher will distribute ** Activity 6.2.5 Capacitors ** and materials that students will need to complete the activity. · <span style="font-family: 'Arial','sans-serif';">Student teams will complete Activity 6.2.5 Capacitors and individually complete the relevant portions of their Circuit Diagrams Chart while the teacher assists students utilizing ** Capacitors.ppt **. · <span style="font-family: 'Arial','sans-serif';">Students will individually complete 6.2.5 Capacitors conclusion questions. · <span style="font-family: 'Arial','sans-serif';">Students will use appropriate engineering notebook template for daily entries. **<span style="font-family: 'Arial','sans-serif';">Days 12-15: ** · <span style="font-family: 'Arial','sans-serif';">The teacher will review and collect 6.2.5 Capacitors conclusion questions. · <span style="font-family: 'Arial','sans-serif';">The teacher will distribute ** Activity 6.2.6 Transistors ** and materials that students will need to complete the activity. · <span style="font-family: 'Arial','sans-serif';">Student teams will complete Activity 6.2.6 Transistors and individually complete the relevant portions of their Circuit Diagrams Chart while the teacher assists students utilizing ** Transistors.ppt **. · <span style="font-family: 'Arial','sans-serif';">Before students solder components, the teacher will present ** Soldering.ppt ** and cover any procedures or rules specific to their lab. · <span style="font-family: 'Arial','sans-serif';">Students will individually complete Activity 6.2.6 Transistors conclusion questions. · <span style="font-family: 'Arial','sans-serif';">The teacher will review and collect 6.2.6 Transistors conclusion questions. · <span style="font-family: 'Arial','sans-serif';">Students will use appropriate engineering notebook template for daily entries. **<span style="font-family: 'Arial','sans-serif';">Day 16-17: ** · <span style="font-family: 'Arial','sans-serif';">The teacher will choose one of the six options explained in Lesson 6.2 Teacher Notes teacher notes for the Engineering Career Project. · <span style="font-family: 'Arial','sans-serif';">Students will follow the directions to complete an activity that introduces them to different engineering careers, using ** Activity 1.1.5(A-F) Engineering Careers. ** · <span style="font-family: 'Arial','sans-serif';">The teacher will collect the Engineering Careers activity, evaluate it and encourage students to keep it in their portfolio or with their career plan. · <span style="font-family: 'Arial','sans-serif';">Optional: The teacher may wish to assign ** Key Terms 6.2 Crossword Puzzle ** after all key terms have been introduced. · <span style="font-family: 'Arial','sans-serif';">Students will use appropriate engineering notebook template for daily entries. · <span style="font-family: 'Arial','sans-serif';">Students will review activities completed in this lesson and enter their best works in their GTT Portfolio. · <span style="font-family: 'Arial','sans-serif';">The teacher will evaluate student notebooks using the **GTT Notebook Grading Rubric.** <span style="font-family: 'Arial','sans-serif'; font-size: 12pt;"> **<span style="font-family: 'Arial','sans-serif';">Instructional Resources ** <span style="font-family: 'Arial','sans-serif'; font-size: 12pt;">Presentations **<span style="font-family: 'Arial','sans-serif';"> Circuit Design ** **<span style="font-family: 'Arial','sans-serif';"> Switches, Diodes, and Light Emitting Diodes ** **<span style="font-family: 'Arial','sans-serif';"> Resistance ** **<span style="font-family: 'Arial','sans-serif';"> Ohm’s Law ** **<span style="font-family: 'Arial','sans-serif';"> Capacitors ** **<span style="font-family: 'Arial','sans-serif';"> Transistors ** **<span style="font-family: 'Arial','sans-serif';"> Soldering ** <span style="font-family: 'Arial','sans-serif'; font-size: 12pt;">Word Documents <span style="font-family: 'Arial','sans-serif';">**Project 6.2.1 Circuit Design** <span style="font-family: 'Arial','sans-serif';">**Activity 6.2.2 Switches, Diodes, and Light Emitting Diodes** <span style="font-family: 'Arial','sans-serif';">**Activity 6.2.3 Resistance** <span style="font-family: 'Arial','sans-serif';">**Activity 6.2.4 Ohm’s Law** <span style="font-family: 'Arial','sans-serif';">**Activity 6.2.5 Capacitors** <span style="font-family: 'Arial','sans-serif';">**Activity 6.2.6 Transistors** **<span style="font-family: 'Arial','sans-serif';"> Schematic Symbols Chart ** **<span style="font-family: 'Arial','sans-serif';"> Resistor Color Codes ** <span style="font-family: 'Arial','sans-serif';">**Lesson 6.2 Key Terms Crossword** <span style="font-family: 'Arial','sans-serif';">**Activity 1.1.5 Engineering Careers** <span style="font-family: 'Arial','sans-serif';">**Activity 1.1.5a Engineering Careers – Scavenger Hunt** <span style="font-family: 'Arial','sans-serif';">**Activity 1.1.5b Engineering Careers - Interview** <span style="font-family: 'Arial','sans-serif';">**Activity 1.1.5b Interview Questions** <span style="font-family: 'Arial','sans-serif';">**Activity 1.1.5c Engineering Careers - Brochure** <span style="font-family: 'Arial','sans-serif';">**Activity 1.1.5d Engineering Careers - Book** <span style="font-family: 'Arial','sans-serif';">**Activity 1.1.5e Engineering Careers - Skit** <span style="font-family: 'Arial','sans-serif';">**Activity 1.1.5e Engineering Careers Descriptions** <span style="font-family: 'Arial','sans-serif';">**Activity 1.1.5f Engineering Careers – Online Magazine** <span style="font-family: 'Arial','sans-serif';">**Activity 1.1.5f //Engineering, Go For It!// Investigation** <span style="font-family: 'Arial','sans-serif'; font-size: 12pt;">Answer Keys and Rubrics **<span style="font-family: 'Arial','sans-serif';"> Circuit Diagrams Chart Answer Key ** <span style="font-family: 'Arial','sans-serif';">**GTT Notebook Grading Rubric** <span style="font-family: 'Arial','sans-serif';">**Lesson 6.2 Key Terms Crossword Answer Key** <span style="font-family: 'Arial','sans-serif'; font-size: 12pt;">Teacher Guidelines <span style="font-family: 'Arial','sans-serif';">**Lesson 6.2 Electronics** <span style="font-family: 'Arial','sans-serif';">**Lesson 6.2 Teacher Notes** <span style="font-family: 'Arial','sans-serif';">**Snap Circuit Individual Part Order Form** <span style="font-family: 'Arial','sans-serif';">**Optional – Activity 6.2.7 555 Timer** <span style="font-family: 'Arial','sans-serif';">**Optional – Resistor Identification**
 * **<span style="color: #002b52; font-family: 'Arial','sans-serif'; font-size: 24pt;">Lesson 6.2 Electronics **<span style="font-family: 'Arial','sans-serif'; font-size: 12pt;"> ||
 * **<span style="font-family: 'Arial','sans-serif';">Capacitor ** || <span style="font-family: 'Arial','sans-serif'; font-size: 12pt;">An electrical device used to store electrical charge.  ||
 * **<span style="font-family: 'Arial','sans-serif';">Circuit Diagram ** || <span style="font-family: 'Arial','sans-serif'; font-size: 12pt;">A drawing that traces the path that electron flow will take in an electronic circuit. ||
 * **<span style="font-family: 'Arial','sans-serif';">Diode ** || <span style="font-family: 'Arial','sans-serif'; font-size: 12pt;">A device that permits current to flow through it in only one direction. ||
 * **<span style="font-family: 'Arial','sans-serif';">Electronic Circuit ** || <span style="font-family: 'Arial','sans-serif'; font-size: 12pt;">A group of electronic components that work together to perform a specific function. ||
 * **<span style="font-family: 'Arial','sans-serif';">Fixed Resistor ** || <span style="font-family: 'Arial','sans-serif'; font-size: 12pt;">Resistors that have a value that cannot be changed. ||
 * **<span style="font-family: 'Arial','sans-serif';">Light Emitting Diode (LED) ** || <span style="font-family: 'Arial','sans-serif'; font-size: 12pt;">A diode that will produce light when current flows through it. ||
 * **<span style="font-family: 'Arial','sans-serif';">Ohm (Ω) ** || <span style="font-family: 'Arial','sans-serif'; font-size: 12pt;">The unit of measure of electrical resistance.  ||
 * **<span style="font-family: 'Arial','sans-serif';">Parallel Circuit ** || <span style="font-family: 'Arial','sans-serif'; font-size: 12pt;">A circuit that contains more than one path for current flow.  ||
 * **<span style="font-family: 'Arial','sans-serif';">Resistor ** || <span style="font-family: 'Arial','sans-serif'; font-size: 12pt;">A device used to introduce some amount of resistance into a circuit. ||
 * **<span style="font-family: 'Arial','sans-serif';">Schematic ** || <span style="font-family: 'Arial','sans-serif'; font-size: 12pt;">A map of an electronic circuit. It uses symbols to represent electrical components along the pathway. ||
 * **<span style="font-family: 'Arial','sans-serif';">Series Circuit ** || <span style="font-family: 'Arial','sans-serif'; font-size: 12pt;">A circuit that contains only one path for current flow.  ||
 * **<span style="font-family: 'Arial','sans-serif';">Switch ** || <span style="font-family: 'Arial','sans-serif'; font-size: 12pt;">A mechanical device used to connect or disconnect a component or circuit. ||
 * **<span style="font-family: 'Arial','sans-serif';">Thermistor ** || <span style="font-family: 'Arial','sans-serif'; font-size: 12pt;">A resistor that changes its resistance with a change of temperature.  ||
 * **<span style="font-family: 'Arial','sans-serif';">Transistor ** || <span style="font-family: 'Arial','sans-serif'; font-size: 12pt;">A small electronic device used in a circuit as an amplifier or switch. ||
 * **<span style="font-family: 'Arial','sans-serif';">Variable Resistor ** || <span style="font-family: 'Arial','sans-serif'; font-size: 12pt;">A resistor whose value can be varied between its minimum and maximum values. ||
 * **<span style="font-family: 'Arial','sans-serif';">Volt (V) ** || <span style="font-family: 'Arial','sans-serif'; font-size: 12pt;">A unit for measuring voltage.  ||