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Get a Grip

Get a Grip. Engineering a low-budget prosthetic arm Cary Busby Episcopal School of Knoxville. 8 th Grade Engineering Curriculum. Engineering Methods vs. Scientific Methods Importance of Iterations (a.k.a. Failures) Importance of Communication skills. www.sciencebuddies.com.

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Get a Grip

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  1. Get a Grip Engineering a low-budget prosthetic arm Cary Busby Episcopal School of Knoxville

  2. 8th Grade Engineering Curriculum • Engineering Methods vs. Scientific Methods • Importance of Iterations (a.k.a. Failures) • Importance of Communication skills www.sciencebuddies.com

  3. Two engineering projects • Low-Tech: the Prosthetic Arm • High-Tech: the Lego Robots

  4. Get a Grip • Developed at Northwestern University • http://www.ideanet.org/get-a-grip/ • Start-up cost: about $20 per group • Maintenance cost: less than $5 per group • Time: 5-7 class periods • Groups of 3 students, with similar abilities within the group.

  5. The Scenario • Afghani girl lost her hand to a land mine. • Compare culture in Afghanistan to culture in the United States. • Examine state-of-the art prosthetic devices. • Design a prosthetic hand for her: • Must be able to carry a bucket of water. • Must be able to eat dinner by herself.

  6. More Specifications • Independence – put on alone. • Flexibility – either or both hands lost. • Comfort – so she can play with her friends. • Cost – Use materials that would be available in a small village. • Client has no hand or wrist motion, but is able-bodied otherwise.

  7. Materials

  8. Toolbox • Rechargeable drill and bits • Hacksaw • Awl • Pliers • Needle-nose Pliers • Good scissors • Clamps • Wire cutters

  9. Grading the project • Engineering Work: • Listening & working together (20 points) • Staying on task (20 points) • Good use of materials (20 points) • Documentation/Reflection (20 points) • Accomplishing the Tasks: • Carrying water (5 points) • Eating olives (5 points) • Innovations: • Creative design • Moving parts • (10 points possible)

  10. What problem could your classes solve? Thank you! Cary Busby busby@esknoxville.org @ESKSci

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