Engineering Terms

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Across
  1. 3. A lifelike representation of an object that uses length, width, and height to create the illusion of depth. Here is a 3D image of the object represented by the above multiview drawing.
  2. 5. A natural resource that is replaced by natural processes at a rate comparable or faster than its rate of consumption by humans. This includes fresh water, plants, and wood if managed sustainably.
  3. 8. Remaining diverse and productive over time.
  4. 11. A natural resource that cannot be produced, re-grown, regenerated, or reused on a scale which can sustain its consumption rate. This includes coal, petroleum, oil, and natural gas.
  5. 16. A curved shape in a vertical plane that spans an opening and supports a weight.
  6. 19. To make alterations to an original design in order to improve upon it.
  7. 23. A standard sheet formatted for a particular kind of drawing.
  8. 27. A force related to the stretching of an object.
  9. 28. A weight imposed on an object.
  10. 29. A material’s ability to resist an applied force (i.e. doesn’t break).
  11. 30. The force applied to a machine.
  12. 31. A test of the sturdiness of a structure, where the structure is dropped from the teacher’s shoulder height.
  13. 33. A 2D perspective showing just the top of an object.
Down
  1. 1. A three-sided polygon. A triangle is the strongest shape because it cannot be deformed without changing the length of one of its sides or breaking one of its joints.
  2. 2. A force related to adding a load on two sides of an object.
  3. 4. A cooperative or coordinated effort put forth by a group of people in the interest of a common goal.
  4. 6. An iterative 8-step process used by engineers to develop a product. It emphasizes testing prototypes and redesigning.
  5. 7. A 2D perspective showing just the side of an object.
  6. 9. The weight or object being acted on by the lever; the result of the effort.
  7. 10. The resistance encountered when one body is moved in contact with another.
  8. 12. The weight supported by a structure or part.
  9. 13. A two-dimensional perspective showing just the face of an object.
  10. 14. The fixed point about which a lever turns.
  11. 15. A lever where the effort is applied between the fulcrum and the load.
  12. 17. A part of engineering design that allows the engineer to test a product or part of a product on a smaller scale or using cheaper materials before the final product is manufactured.
  13. 18. A simple machine where a bar is free to pivot about a fixed point when a force is applied.
  14. 20. A 2D representation of a 3D object. It shows the front, side, and top (“plan”) views with parallel lines as if it is being looked at straight on.
  15. 21. Firmly built or constructed. Elements that make a structure sturdy include a solid base and the use of triangles. Resistant to some loading and other external forces.
  16. 22. The tendency of a body to return to its original shape after it has been stretched or compressed. A body is not elastic if it either does not bend or if, when it does bend, it does not return to its original shape.
  17. 24. Any source of wealth that occurs naturally, especially minerals, fossil fuels, timber, etc.
  18. 25. A non-handheld mechanical devices used to throw a projectile a great distance without the aid of an explosive substance.
  19. 26. The careful utilization of a natural resource in order to prevent depletion.
  20. 32. A situation that involves losing one quality of something in return for gaining another