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Technological Systems 8 th Grade Course Middle School CTAE Engineering and Technology Pathway Georgia Performance Standards

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Technological Systems Grade 8th 2 Course Description Foundational in nature Focus on 8th grade 7 Standards – ENGR-TS-1 thru Elements per Standard Sample Tasks

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Technological Systems Grade 8th 3 Standards ENGR-TS-1: The students will develop an understanding of the Universal Systems Model. ENGR-TS-2: The students will develop an understanding of how the design process is used to develop a technological system. ENGR-TS-3: The students will develop an understanding of how humans interact with systems. ENGR-TS-4: The students will develop an understanding of how systems evolve from one stage to another.

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Technological Systems Grade 8th 4 Standards (continued) ENGR-TS-5: The students will recognize and be able to forecast trends in the development of technological systems. ENGR-TS-6: The students will recognize relationships among technologies and assess the impact of integrated systems. ENGR-TS-7: Students will develop leadership skills and work ethics.

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Technological Systems Grade 8th 5 ENGR-TS-1: The students will develop an understanding of the Universal Systems Model. a) Define Universal Systems Model b) Identify the components of a system c) Examine a variety of simple, common systems

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Technological Systems Grade 8th 6 SAMPLE TASKS Read about Universal Systems Model Diagram a given system using the Universal Systems Model Analyze and critique the essential elements of a given system Discuss relevant current events as related to the systems model

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Technological Systems Grade 8th 7 ENGR-TS-2: The students will develop an understanding of how the design process is used to develop a technological system. a) Identify the steps of the design process b) Identify how systems are used in a variety of settings

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Technological Systems Grade 8th 8 ENGR-TS-2: The students will develop an understanding of how the design process is used to develop a technological system. (continued) c) Illustrate how the systems model is utilized in the production of goods d) Construct and work with a variety of systems, including Engineering, Electronics, Manufacturing, and Energy

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Technological Systems Grade 8th 9 SAMPLE TASKS Introduction of the design process Identify the applications of systems to devices the students are familiar with Create a poster that illustrates design process Use the design process to design a product

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Technological Systems Grade 8th 10 ENGR-TS-3: The students will develop an understanding of how humans interact with systems. a) Operate technological systems b) Maintain technological systems c) Constructing technological systems d) Design technological systems

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Technological Systems Grade 8th 11 SAMPLE TASKS Read an owners manual for a given system and outline the user- performed maintenance tasks Sketch a given system, label its parts, write technical directions used to operate device, and list outcomes of using device

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Technological Systems Grade 8th 12 SAMPLE TASKS (continued) Design, construct, and test a simple system (i.e. electrical circuit, model rocket, bridge structure)

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Technological Systems Grade 8th 13 ENGR-TS-4: The students will develop an understanding of how systems evolve from one stage to another. a) Illustrate the evolution of a variety of technological systems b) Analyze the reason for the evolution of technological systems

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Technological Systems Grade 8th 14 ENGR-TS-4: The students will develop an understanding of how systems evolve from one stage to another (continued) c) Investigate the cause of system failures

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Technological Systems Grade 8th 15 SAMPLE TASKS Examine the historical development of a technological artifact from its beginning to its current state (i.e. audio recording equipment, camera, telephone)

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Technological Systems Grade 8th 16 ENGR-TS-5: The students will recognize and be able to forecast trends in the development of technological systems. 16 a) Gathers data and examine trends that lead to technological advancement b) Propose a creative and futuristic technological system that may solve emerging human needs

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Technological Systems Grade 8th 17 ENGR-TS-5: The students will recognize and be able to forecast trends in the development of technological systems (continued) c) Design and create a model of a futuristic technological system d) Analyze the qualities of various futuristic technological systems (i.e. benefits, drawbacks, overall efficiency of system, etc.)

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Technological Systems Grade 8th 18 SAMPLE TASKS Predict the future changes of an item Research the impact of technological systems on society

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Technological Systems Grade 8th 19 ENGR-TS-6: The students will recognize relationships among technologies and assess the impact of integrated systems. a) Identify a complex technological system that is made up of several subsystems b) Explain how the subsystems work together to enable the complex system

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Technological Systems Grade 8th 20 ENGR-TS-6: The students will recognize relationships among technologies and assess the impact of integrated systems (continued) c) Analyze the qualities of various integrated technological systems (i.e. benefits, drawbacks, overall efficiency of system, etc.)

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Technological Systems Grade 8th 21 SAMPLE TASKS Identify the relationships among technological systems used in a complex process Choose a complex device made up of systems and subsystems and visually display the integrated nature of the component parts. (i.e., concept maps, graphic organizer)

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Technological Systems Grade 8th 22 ENGR-TS-7: Students will develop leadership skills and work ethics. a) Demonstrate work ethics within the classroom and lab environment b) Investigate leadership skills through co-curricular activities

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Technological Systems Grade 8th 23 SAMPLE TASKS Modular Activities Whole group activities Small group activities TSA Robotics competition (i.e. First Lego League)

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Technological Systems Grade 8th 24 Integrated Concepts Reading Across the Curriculum Writing Entrepreneurship CTAE Foundation Skills

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Technological Systems Grade 8th 25 Resources ITEA EbD Curriculum Invention Innovation CD Teacher Deliverables (MS Resource CD) TSA Curricular Resource Guide GETEA Problem Solving Cookbooks Teacher Resources

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Technological Systems Grade 8th 26 Resources (continued) Design Process Gears & Pulleys Mechanisms Forces & Moments

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Technological Systems Grade 8th 27 Resources (continued) ex_online/main_start.htm Curriculum Robotics 101 What is Engineering (PowerPoint) Engineering Process (Video) Engineering Process (Printable)

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Technological Systems Grade 8th 28 Resources (continued) html Forces Lab Loads Lab Materials Lab Shapes Lab

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Technological Systems Grade 8th 29 Unit Example Understanding the Universal Systems Model What is a System? A group of interrelated parts or elements that function together to accomplish a goal.

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Technological Systems Grade 8th 30 Unit Example Understanding the Universal Systems Model What is an Open-loop System? A control system that has no means for comparing the output with the input for control purposes. Control of open-loop systems often requires human intervention.

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Technological Systems Grade 8th 31 Unit Example Understanding the Universal Systems Model What is a Closed-loop System? A system that uses feedback from the output to control the input.

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Technological Systems Grade 8th 32 Unit Example Understanding the Universal Systems Model 7 Technological Resources People Information Materials Tools & Machines Energy Time Capital

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Technological Systems Grade 8th 33 Something that is put into a system in order to achieve a result. The input is often a combination of the 7 resources of technology. A sequence of actions that combine resources to produce an output. The Universal Systems Model Input ProcessOutput Feedback The results of the operation of any system. If the system is working properly the output will be the desired product or results. Used to monitor how a system is working. It is only used in a closed loop system. An open loop system does not have feedback.. Apply the Universal Systems Model to a simple system. Unit Example Understanding the Universal Systems Model

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Technological Systems Grade 8th 34 InputProcessOutput Feedback Examples: Flushing a Toilet Riding a Bike Ringing a Door Bell Turning on a Light Sharpening a Pencil Cooling a Room with an Air Conditioner Unit Example Understanding the Universal Systems Model

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Technological Systems Grade 8th 35 Apply the Universal Systems Model to Flush a Toilet Input A person pressing the handle on the outside of the toilet the tank. Process The flap in the toilet tank raised and the water is released from the tank into the toilet bowl, the flap returns to the closed position. A valve is opened to allow water to refill the tank to a specified depth. Output The toilet bowl empties and refills with clear water as the tank refills. Feedback This is an open loop system. There is no feedback mechanism in place. An observation can be made as to whether the system is functioning properly. Unit Example Understanding the Universal Systems Model

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Technological Systems Grade 8th 36 Complete the Universal Systems Model Worksheet for an Open Loop System and a Closed Loop System. InputProcessOutput Feedback Unit Example Understanding the Universal Systems Model

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Technological Systems Grade 8th 37 Standards addressed in this Unit Understanding the Universal Systems Model ENGR-TS-1: The students will develop an understanding of the Universal Systems Model. a) Define Universal Systems Model b) Identify the components of a system c) Examine of a variety of simple, common systems.

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Technological Systems Grade 8th 38 Unit Example How Systems Work Part 1: String Cup Telephone Materials Needed: Cups String Objective: Students should construct a simple cup and string communication system. Once the system is constructed the students should test the system and record the pros and cons of this system. CATTs Technology Systems – Unit 1 Lesson 1

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Technological Systems Grade 8th 39 Unit Example How Systems Work Part 2: Electronic Buzzer Telegraph Materials Needed: buzzer 15 doorbell wire 9 volt battery snap 9 volt battery push button switch Small wire nuts CATTs Technology Systems – Unit 1 Lesson 1

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Technological Systems Grade 8th 40 Unit Example How Systems Work Part 2: Electronic Buzzer Telegraph Objective: Students should construct simple system below to create the Buzzer Telegraph. CATTs Technology Systems – Unit 1 Lesson 1

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Technological Systems Grade 8th 41 Unit Example How Systems Work Testing: Once the system is constructed the students should test the system by sending a message in Morse Code. Student should then record the pros and cons of this system. CATTs Technology Systems – Unit 1 Lesson 1

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Technological Systems Grade 8th 42 Unit Example How Systems Work Part 3: Hello Operator Objective: Using extra wire leads, arrange the system so that an operator group in the center of the room can direct connections between groups. Allow the students to talk out loud to the operators as they place calls. Let the operators make a few connections and let the senders transpitt a message. CATTs Technology Systems – Unit 1 Lesson 1

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Technological Systems Grade 8th 43 Unit Example How Systems Work Part 3: Hello Operator - Diagram CATTs Technology Systems – Unit 1 Lesson 1

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Technological Systems Grade 8th 44 Part 3: Hello Operator Working in teams students should answer the following questions: 1. What additional features does this communication system need to make it useful for home use? 2. Identify at least three subsystems used in this model? 3. What subsystems would need to be substituted to turn this into a modern telephone system? 4. How has the system evolved? 5. What could cause this system to fail? Unit Example How Systems Work CATTs Technology Systems – Unit 1 Lesson 1

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Technological Systems Grade 8th 45 Standards addressed in this Unit How Systems Work ENGR-TS-3: The students will develop an understanding of how humans interact with systems. a) Operate technological systems c) Constructing technological systems

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Technological Systems Grade 8th 46 Standards addressed in this Unit How Systems Work ENGR-TS-4: The students will develop an understanding of how systems evolve from one stage to another. a) Illustrate the evolution of a variety of technological systems. b) Analyze the reason for the evolution of technological systems c) Investigate the cause of system failures

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Technological Systems Grade 8th 47 Standards addressed in this Unit How Systems Work ENGR-TS-7: Students will explore the nature of leadership skills and work ethics. a) Demonstrate work ethics within the classroom and lab environment.

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Technological Systems Grade 8th 48

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