Designing a Crosswalk Light System Date: Fall 2025 Author's Name: Designer and Dr. David Burghardt Grade level: 7/8 Content or Subject Area's: Informed engineering design with computer science and computer control Duration of lesson: 6 days General Objectives: Students will design, construct and program an automated crosswalk light system that calculates pedestrian crossing times and vehicle stopping distances, integrating mathematical analysis of motion, sensor programming, and engineering design principles to create a traic safety system with appropriate timing sequences. Learning Outcomes: What knowledge, skills, and strategies do you expect students to gain? (1-4 stated outcomes) After completion of the lessons, students will be able to: (use action verbs) 1. Use the informed engineering design process 2. Apply mathematical concepts including speed, distance, and time calculations to determine optimal signal timing for vehicle deceleration and pedestrian crossing safety. 3. Program sensor-controlled systems using conditional logic and timing sequences to automate traic light responses based on pedestrian activation inputs. 4. Design, construct, and test an integrated safety system that combines mathematical analysis, sensor programming, and user interface design to solve real-world transportation challenges. State Standards: (NY Computer Science & Digital Fluency Standards) End of Grade 8: 7-8.CT.4: Write a program using functions or procedures whose names or other documentation convey their purpose within the larger task 7-8.CT.6: Design, compare and refine algorithms for a specific task or within a program 7-8.CT.7: Design or remix a program that uses a variable to maintain the current value of a key piece of information 7-8.CT.8: Develop or remix a program that eectively combines one or more control structures for creative expression or to solve a problem 7-8.NSD.2: Design a project that combines hardware and software components National standards: (ITEEA STEL Standards) End of the 8th Grade:
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