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Android App Development

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Students develop an app for an Android device that utilizes its built-in internal sensors, specifically the accelerometer. The goal of this activity is to teach programming design and skills using MIT's App Inventor software (free to download from the Internet) as the vehicle for learning. The activity should be exciting for students who are interested in applying what they learn to writing other applications for Android devices. Students learn the steps of the engineering design process as they identify the problem, develop solutions, select and implement a possible solution, test the solution and redesign, as needed, to accomplish the design requirements.

Material Type: Activity/Lab

Authors: Brian Sandall, Scott Burns

Applications of Systems of Equations: An Electronic Circuit

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Does the real-world application of science depend on mathematics? In this activity, students answer this question as they experience a real-world application of systems of equations. Given a system of linear equations that mathematically models a specific circuit—students start by solving a system of three equations for the currents. After becoming familiar with the parts of a breadboard, groups use a breadboard, resistors and jumper wires to each build the same (physical) electric circuit from the provided circuit diagram. Then they use voltmeters to measure the current flow across each resistor and calculate the current using Ohm’s law. They compare the mathematically derived current values to the measured values, and calculate the percentage difference of their results. This leads students to conclude that real-world applications of science do indeed depend on mathematics! Students make posters to communicate their results and conclusions. A pre/post-activity quiz and student worksheet are provided. Adjustable for math- or science-focused classrooms.

Material Type: Activity/Lab

Author: Marianne Livezey

Pipeline AZ - STEM (Science, Technology, Engineering, and Math)

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(STEM) Science, Technology, Engineering & Mathematics Do you like science or math? Do you enjoy solving problems? This industry includes occupations and careers in planning, managing, and providing scientific research and professional and technical services (e.g., physical science, social science, engineering), including laboratory and testing services, and research and development services. Careers in the STEM industry involve solving problems through research and design. Nearly all of the occupations in this industry typically require a bachelor’s or higher degree for entry. But specific designations also include, for example, an associate’s degree for occupations such as social science research assistants.

Material Type: Interactive

Author: PipelineAZ