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Curricular Unit: Android Acceleration Application

Contributed by: IMPART RET Program, College of Information Science & Technology, University of Nebraska
 Many engineering designs rely on the understanding of acceleration due to gravity.copyright

Summary

This unit includes two sequential lessons. In the first, students create mobile apps that collect data from an Android device's accelerometer and then store that data to a database. This lesson provides practice with MIT's App Inventor software and culminates with students writing their own apps for measuring acceleration. In the second lesson, students are given an app for an Android device, which measures acceleration. They investigate acceleration by collecting acceleration vs. time data using the accelerometer of a sliding Android device. Then they use the data to create velocity vs. time graphs and approximate the maximum velocity of the device.

 Engineering Connection Relating science and/or math concept(s) to engineering Lessons and activities in this unit support the teaching of basic engineering education, especially engineering mechanics and program/system design. The computer science-based first lesson engages students to design pseudo-code and real code to address a given problem. Computer software engineers at companies such as Microsoft, Apple and Google have used their programming knowledge to design applications for mobile devices, similar to the work students do in this unit. The second lesson, in which students design an experiment to gather and analyze data related to acceleration, fits into the engineering mechanics realm, which serves to bridge the gap between theory and application. Through engineering mechanics, especially the concepts used by mechanical engineers, students can analyze and predict the acceleration and deformation of an object due to forces, also known as stresses. Engineering mechanics is based largely on Newton's laws of motion.

Educational Standards :

•   International Technology and Engineering Educators Association: Technology
•   National Council of Teachers of Mathematics: Math
•   National Science Education Standards: Science

Related Subject Areas

Related Lessons

Related Activities

Contributors

Scott Burns, Brian Sandall

Supporting Program

IMPART RET Program, College of Information Science & Technology, University of Nebraska