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1. Student Page Title Introduction Task Evaluation Conclusion Credits [ Teacher Page ] A WebQuest for 11th Grade Technology Education Designed by: Daniel Wilson [email_address] Based on a template from The WebQuest Page Process
2. Student Page Title Introduction Task Process Evaluation Conclusion Credits [ Teacher Page ] Recently, NASA’s fledgling Spaceploration program launched its first in a series of state-of-the-art space exploration vehicles. These one of a kind ships are the world’s finest reusable, multiple-flight, personnel carrying launch vehicles. However, a tragedy has befallen the crew of the first of these ships, Orbit. Only minutes after launch, the Orbit spacecraft, traveling at nearly 3000 miles per hour, collided with a high-flying bird. The resultant damage has made it impossible for Orbit to return to Earth safely. It is the mission of NASA’s Extreme Circumstances Team (ECT) to devise a manipulator arm capable of repairing the damaged Orbit aircraft before time runs out. Can a robotic arm that will fix the damage be able to be built in the next week?
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5. Student Page Title Introduction Task Process Evaluation Conclusion Credits [ Teacher Page ] Beginning 1 Developing 2 Accomplished 3 Exemplary 4 Score Arm Material Selection Material selected meets some constraints and will not support imposed loads. Few if any calculations. Material selected meets some constraints and will not support imposed loads. Calculations are brief and inaccurate. Material selected meets most constraints and has been shown to support imposed loads. Calculations are close to accurate and predict maximum stresses in arm. Material selected meets all constraints and has been shown to support imposed loads. Neat, clean, and accurate calculations to accurately predict maximum stresses in arm. Motor and Gear Selection Motor not selected. Motor (load carrying rating) * (gear ratio) is unknown. Motor selected has a (load carrying rating) * (gear ratio) equal to or greater than that needed from constraints. Pertinent information is absent from data sheet. Motor selected has a (load carrying rating) * (gear ratio) equal to or greater than that needed from constraints. Pertinent information on data sheet is highlighted. Report Quality Report incomplete Descriptions of selected parts are confusing and vague. Report may seem hard to follow at times. Descriptions of selected parts are satisfactory and complete. Report may seem hard to follow at times. Descriptions of selected parts flow well and are easy to understand. Report is concise and well-organized.
6. Student Page Title Introduction Task Process Evaluation Conclusion Credits [ Teacher Page ] Design and implementation are critical components of every part of our technical world. In this assignment you were given a problem with certain constraints (limitations) on the solution. Every design challenge in the real world involves some sort of constraint (strength, weight, cost, manufacturability, etc). This assignment was written to help prepare you for real-world design problems. You built skills in the areas of conceptual design, supplier research and distribution, as well as reporting. If you are interested in this and any other kind of design work, check out these resources: http://www.usfirst.org/ - FIRST Robotics Competition http://www.soinc.org/ - Science Olympaid http://www.cmesa.org/ - MESA (Math, Engineering, Science, Achievement)
7. Student Page Title Introduction Task Process Evaluation Conclusion Credits [ Teacher Page ] McMaster-Carr Homepage (n.d.). Retrieved December 8, 2007 from McMaster-Carr Web site: www.mcmaster.com MatWeb Homepage (n.d.). Retrieved December 8, 2007 from MatWeb Web site: www.matweb.com
8. [ Student Page ] Title Introduction Learners Standards Process Resources Credits Teacher Page Evaluation Teacher Script Conclusion A WebQuest for 11th Grade Technology Education Designed by: Daniel Wilson [email_address] Based on a template from The WebQuest Page
9. [ Student Page ] Title Introduction Learners Standards Process Resources Credits Teacher Page This lesson was designed as an assignment for Colorado State University’s Education 331 class. The purpose of this lesson to merge a science-based class learning the basics of forces and stresses with a “real-life” design problem. This lesson will provide insight into the world of engineering while teaching students to apply their physics knowledge to create a useful product. In this lesson, a fictional NASA spacecraft , the “Orbit,” has hit a bird during launch. Because there is too much damage to the spacecraft for safe re-entry, the students must design a robotic arm that will be able to fix the damaged spacecraft. Evaluation Teacher Script Conclusion
10. [ Student Page ] Title Introduction Learners Standards Process Resources Credits Teacher Page This lesson is designed for an advanced 11 th to 12 th grade science or technology class. Prior knowledge of basic material mechanics is critical for this lesson. Conceptual understanding of torque, moment, shear stress, and bending stress is critical. Additionally, basic knowledge of material mechanics equations would be beneficial. Evaluation Teacher Script Conclusion
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14. [ Student Page ] Title Introduction Learners Standards Process Resources Credits Teacher Page The product of this lesson should be a concise (~2 page) report on the material selected for the arms with detailed math showing it will not fail, as well as a motor/gear combo that will output enough torque (~1000Nm) to overcome stated forces. Don’t worry too much about how the gears will mesh with the motor or how the motor will attach to the arms. If students seem to have solved the physics problem and found a solution for parts and materials online that is acceptable, the lesson is a success! Evaluation Teacher Script Conclusion Beginning 1 Developing 2 Accomplished 3 Exemplary 4 Score Arm Material Selection Material selected meets some constraints and will not support imposed loads. Few if any calculations. Material selected meets some constraints and will not support imposed loads. Calculations are brief and inaccurate. Material selected meets most constraints and has been shown to support imposed loads. Calculations are close to accurate and predict maximum stresses in arm. Material selected meets all constraints and has been shown to support imposed loads. Neat, clean, and accurate calculations to accurately predict maximum stresses in arm. Motor and Gear Selection Motor not selected. Motor (load carrying rating) * (gear ratio) is unknown. Motor selected has a (load carrying rating) * (gear ratio) equal to or greater than that needed from constraints. Pertinent information is absent from data sheet. Motor selected has a (load carrying rating) * (gear ratio) equal to or greater than that needed from constraints. Pertinent information on data sheet is highlighted. Report Quality Report incomplete Descriptions of selected parts are confusing and vague. Report may seem hard to follow at times. Descriptions of selected parts are satisfactory and complete. Report may seem hard to follow at times. Descriptions of selected parts flow well and are easy to understand. Report is concise and well-organized.
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16. [ Student Page ] Title Introduction Learners Standards Process Resources Credits Teacher Page Design and implementation are critical components of every part of our technical world. Teaching students how to design products from scientific theory is an essential element in making science personal. In this assignment, students were given a problem with certain constraints (limitations) to the solution. Every design challenge in the real world involves some sort of constraint (strength, weight, cost, manufacturability, etc). This assignment will help students prepare for real-world design problems. Students will build skills in the areas of conceptual design, supplier research and distribution, as well as reporting. Evaluation Teacher Script Conclusion
17. [ Student Page ] Title Introduction Learners Standards Process Resources Credits Teacher Page McMaster-Carr Homepage (n.d.). Retrieved December 8, 2007 from McMaster-Carr Web site: www.mcmaster.com MatWeb Homepage (n.d.). Retrieved December 8, 2007 from MatWeb Web site: www.matweb.com Evaluation Teacher Script Conclusion