IED Unit 4

Aerospace Mechanisms, Materials & Electromechanical Systems

Students investigate materials, mechanisms, motion, friction, data, statistics, circuits, motors, and electromechanical systems through an aerospace prototype challenge.

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Unit 4 Student Presentation

Use the presentation to review aerospace materials, material testing, statistics, mechanisms, motion, friction, circuits, motors, electromechanical integration, prototype testing, data analysis, revision, and technical demonstration expectations.

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Daily Lesson List

Open each lesson for student-facing tasks, deliverables, notebook evidence, and resources.

Lesson	Title	Focus Question
4.1	Unit 4 Challenge Launch: Aerospace Mechanisms, Materials & Electromechanical Systems	How can materials, mechanisms, circuits, and data work together in an aerospace system?
4.2	Aerospace Materials and Material Properties	How do material properties influence aerospace design decisions?
4.3	Material Testing Lab	How can engineers test materials before choosing them for a prototype?
4.4	Statistics and Measurement Error	How can statistics help engineers trust and interpret test results?
4.5	Mechanisms and Types of Motion	How do mechanisms change or control motion in aerospace systems?
4.6	Mechanism Exploration: Linkages, Hinges, Cams, Gears, and Pulleys	How can physical mechanism exploration reveal design possibilities and limitations?
4.7	Friction, Force, and Mechanism Performance	How does friction affect whether a mechanism works reliably?
4.8	Motion Graphs and System Behavior	How can graphs help engineers understand system behavior over time?
4.9	Electrical Safety and Simple Circuits	How can simple circuits safely support an engineering prototype?
4.10	Motors and Electromechanical Motion	How can electrical energy create useful mechanical motion?
4.11	Concept Generation and Decision Matrix	How can engineers choose a mechanism concept using evidence and criteria?
4.12	System Architecture and Subsystem Planning	How do subsystems work together in an aerospace prototype?
4.13	CAD Planning and Assembly Layout	How can CAD planning prepare a mechanism for physical construction?
4.14	CAD Modeling Workday: Components, Motion, and Fit	How do engineers model and check parts before building?
4.15	Prototype Build Day 1: Structure and Mechanism	How do engineers build the structure and core mechanism of a prototype?
4.16	Prototype Build Day 2: Electrical or Electromechanical Integration	How can electrical or electromechanical features be integrated safely into a prototype?
4.17	Testing Protocol Development	How do engineers design fair tests to evaluate whether a prototype works?
4.18	Prototype Testing and Data Collection	How can engineers collect useful data from a prototype test?
4.19	Data Analysis, Graphing, and Design Conclusions	How can data help engineers decide whether a prototype was successful?
4.20	Iteration and Prototype Revision	How do engineers decide what to change after testing a prototype?
4.21	Final Technical Documentation: Mechanism, Circuit, Data, and Revision	How do engineers document a functional system so others can understand, test, build, or improve it?
4.22	Unit 4 Technical Demonstration and Reflection	How can engineers use a technical demonstration to communicate how a system works and how it improved?