The Seismometer

A Freshman Engineering Design Project
Developed by Dr. Ron Roedel, Arizona State University

                                              Click here for the PDF version of the lesson

Overview:

In this project, students design, construct and use a seismometer to examine mechanical vibrations transmitted through the earth.  They will look at early models of amateur seismometers and research those models for design ideas.  The project integrates the physics and calculus that the students are currently learning with engineering modeling and design components.


Learning Objectives or Student Outcomes:

 

By the end of this lesson or activity, students will be able to

1.     work as a team to design and construct a sensitive seismometer that will be
       capable of examining mechanical vibrations transmitted through the earth; and

2.    complete a team written report detailing the design process.

Length of Lesson:

This project is generally one of two or three in the semester.  The length of the lesson will depend on a few factors: the amount of in-class time devoted to the project, the out-of-class time deemed necessary by the instructor, and what other activities will be taking place during the duration of the project.

Assignment(s) to Ensure Student Preparation:

Although there are no specific assignments required to ensure student preparation, this project will integrate knowledge being obtained concurrently by the students in physics and calculus courses.

Team Size/Composition:

Teams of 4 work best; if necessary, teams of 3 or 5 people may be formed.

How is positive interdependence ensured?

Each student team is working together to create one seismometer and one written report.  They must rely on one another for successful completion of the project.

How is individual accountability built in to the project?

Individual accountability is ensured through peer assessments such as the salary allocation activity, where each team member divides a given “salary” amongst all team members and provides a brief explanation for each decision.

Basis or Components of Assessment:

Project deliverables and design constraints and guidelines will be provided to teams before they begin work on the projects.  Sample amateur seismometers will also be shown to the students.  Assessment will be based on the successful completion of both the team design project and the written project report.

Team Skills Needed for Success:

Team members need the ability to cooperate, communicate and collaborate in a structured manner so that all team members feel they are able to contribute ideas and constructively provide feedback.


Materials Needed by Students:

• frames and moving parts from Erector sets
• op-amp circuits
• additional parts as each team sees fit

Content Lesson Links:

Instruction to Students

Report Format     

                                       Lesson   |   Instruction to Students |  Report Format 

©2002, Ron Roedel                                                                                                                                
These materials may be duplicated for educational purposes if properly credited.