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Activity (Hands-On)Grades 6 - 8

Engineering in Reverse!

Students learn about the process of reverse engineering and how this technique is used to improve upon technology. Students analyze push-toys and draw diagrams of the predicted mechanisms inside the toys. Then, they disassemble the toys and draw the actual inner mechanisms. By understanding how the push-toys function, students make suggestions for improvement, such as cost effectiveness, improved functionality, ecological friendliness and any additional functionality they determine is an improvement.

Photo shows a bright-colored plastic push-toy, a little train engine.Figure 1. Push-toys can be reverse engineered to understand how they work and suggest improved designs.

Engineers learn about technologies, objects and systems through reverse engineering and the engineering design process. By analyzing the structure and function of a device or component, engineers can improve upon previous designs.

After this activity, students should be able to:

  • Define reverse engineering as the process of disassembly and careful analysis with the goal of duplicating or improving a device or component.
  • Demonstrate the process of reverse engineering using a given object or component and suggest areas of improvement.

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