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Cost Comparisons
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Students learn about the many types of expenses associated with building a bridge. Working like engineers, they estimate the cost for materials for a bridge member of varying sizes. After making calculations, they graph their results to compare how costs change depending on the use of different materials (steel vs. concrete). They conclude by creating a proposal for a city bridge design based on their findings.

Author:
Malinda Schaefer Zarske
Natalie Mach
Integrated Teaching and Learning Program,
Denise W. Carlson
Denali Lander
Jonathan S. Goode
Joe Friedrichsen
Could future devices read images from our brains?
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As an expert on cutting-edge digital displays, Mary Lou Jepsen studies how to show our most creative ideas on screens. And as a brain surgery patient herself, she is driven to know more about the neural activity that underlies invention, creativity, thought. She meshes these two passions in a rather mind-blowing talk on two cutting-edge brain studies that might point to a new frontier in understanding how (and what) we think.

Author:
Mary Lou Jepsen
The Crash Scene
Read the Fine Print
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In this lesson, students find their location on a map using Latitude and Longitudinal coordinates. They determine where they should go to be rescued and how best to get there.

Subject:
Applied Science
Ecology
Engineering
Geoscience
Life Science
Physical Science
Material Type:
Activity/Lab
Lesson Plan
Author:
Adventure Engineering,
TeachEngineering.org
Date Added:
09/18/2014
Creating Your Own Sunset
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This activity gives a visual representation of how we are able to observe many colors in a sunrise or sunset.

Author:
Sherrie Seidensticker, Jeffers Pond Elementary, Prior Lake Minnesota, adapted from the web page scifun.chem.wis.edu/HomeExpts/BlueSky.html
Seidensticker, Sherrie
Cultural History of Technology, Spring 2005
Conditional Remix & Share Permitted
CC BY-NC-SA
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The subject of this course is the historical process by which the meaning of "technology" has been constructed. Although the word itself is traceable to the ancient Greek root teckhne (meaning art), it did not enter the English language until the 17th century, and did not acquire its current meaning until after World War I. The aim of the course, then, is to explore various sectors of industrializing 19th and 20th century Western society and culture with a view to explaining and assessing the emergence of technology as a pivotal word (and concept) in contemporary (especially Anglo-American) thought and expression.

Subject:
Applied Science
Arts and Humanities
Career and Technical Education
Engineering
Manufacturing
World Cultures
Material Type:
Full Course
Textbook
Author:
Marx, Leo
Williams, Rosalind
Date Added:
01/01/2005
Curiosity Killed the App
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Students gain experience with the software/system design process, closely related to the engineering design process, to solve a problem. First, they learn about the Mars Curiosity rover and its mission, including the difficulties that engineers must consider and overcome to operate a rover remotely. Students observe a simulation of a robot being controlled remotely. These experiences guide discussion on how the design process is applied in these scenarios. The lesson culminates in a hands-on experience with the design process as students simulate the remote control of a rover. In the associated activity, students gain further experience with the design process by creating an Android application using App Inventor to control one aspect of a remotely controlled vehicle. (Note: The lesson requires a LEGO® MINDSTORMS® Education NXT base set.)

Author:
TeachEngineering.org
Rich Powers, Brian Sandall
IMPART RET Program, College of Information Science & Technology,
DNA Forensics and Color Pigments
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Students perform DNA forensics using food coloring to enhance their understanding of DNA fingerprinting, restriction enzymes, genotyping and DNA gel electrophoresis. They place small drops of different food coloring ("water-based paint") on strips of filter paper and then place one paper strip end in water. As water travels along the paper strips, students observe the pigments that compose the paint decompose into their color components. This is an example of the chromatography concept applied to DNA forensics, with the pigments in the paint that define the color being analogous to DNA fragments of different lengths.

Author:
TeachEngineering.org
Mircea Ionescu
Myla Van Duyn
National Science Foundation GK-12 and Research Experience for Teachers (RET) Programs,
Dam Pass or Fail
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Students conduct Internet research to investigate the purpose and current functioning status of some of the largest dams throughout the world. They investigate the success or failure of eight dams and complete a worksheet. While researching the dams, they also gain an understanding of the scale of these structures by recording and comparing their reservoir capacities. Students come to understand that dams, like all engineered structures, have a finite lifespan and require ongoing maintenance and evaluation for their usefulness.

Author:
Kristin Field
Integrated Teaching and Learning Program,
Denise W. Carlson
Jeff Lyng
Denali Lander
TeachEngineering.org
Megan Podlogar
Data Analysis and Probability
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Education in a free society must prepare citizens to make informed choices in all areas of their lives. They must be able to grasp the information being presented, analyze it, and make reasoned decisions. To accomplish these goals, students learn to collect, organize, and display relevant data to answer questions that can be addressed with data; use appropriate statistical methods and predictions that are based on data; develop and evaluate inferences and predictions that are based on data; and apply basic concepts of probability. Probability is the study of chance and the possibility that an event will occur.

Author:
TeachEngineering.org
K-12 Outreach,
Decimals, Fractions & Percentages
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Students learn about and practice converting between fractions, decimals and percentages. Using a LEGO® MINDSTORMS® NXT robot and a touch sensor, each group inputs a fraction of its choosing. Team members convert this same fraction into a decimal, and then a percentage via hand calculations, and double check their work using the NXT robot. Then they observe the robot moving forward and record that distance. Students learn that the distance moved is a fraction of the full distance, based on the fraction that they input, so if they input ½, the robot moves half of the original distance. From this, students work backwards to compute the full distance. Groups then compete in a game in which they are challenged to move the robot as close as possible to a target distance by inputting a fraction into the NXT bot.

Author:
AMPS GK-12 Program,
TeachEngineering.org
Javed Narain
Density Column Lab - Part 1
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In this first part of a two-part lab activity, students use triple balance beams and graduated cylinders to take measurements and calculate the densities of several common, irregularly shaped objects with the purpose to resolve confusion about mass and density. After this activity, conduct the associated Density Column Lab - Part 2 activity before presenting the associated Density & Miscibility lesson for discussion about concepts that explain what students have observed.

Author:
TeachEngineering.org
GK-12 Program,
Jessica Ray, Phyllis Balcerzak, Barry Williams
Density Column Lab - Part 2
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Concluding a two-part lab activity, students use triple balance beams and graduated cylinders to take measurements and calculate densities of several household liquids and compare them to the densities of irregularly shaped objects (as determined in Part 1). Then they create density columns with the three liquids and four solid items to test their calculations and predictions of the different densities. Once their density columns are complete, students determine the effect of adding detergent to the columns. After this activity, present the associated Density & Miscibility lesson for a discussion about why the column layers do not mix.

Author:
TeachEngineering.org
GK-12 Program,
Jessica Ray, Phyllis Balcerzak, Barry Williams
Design Decisions in Engineering
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Detailed introduction to design, product, and process decisions, focusing on safety and ethics, economic and quality decisions, lifecycles, statistics and sensitivity analysis, operational research, case studies, and management decisions.

Design for Sustainability, Fall 2006
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The course considers the growing popularity of sustainability and its implications for the practice of engineering, particularly for the built environment. Two particular methodologies are featured: life cycle assessment (LCA) and Leadership in Energy and Environmental Design (LEED). The fundamentals of each approach will be presented. Specific topics covered include water and wastewater management, energy use, material selection, and construction.

Author:
Adams, Eric
Designing Bridges
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Students learn about the types of possible loads, how to calculate ultimate load combinations, and investigate the different sizes for the beams (girders) and columns (piers) of simple bridge design. Students learn the steps that engineers use to design bridges: understanding the problem, determining the potential bridge loads, calculating the highest possible load, and calculating the amount of material needed to resist the loads.

Author:
Integrated Teaching and Learning Program and Laboratory,
Malinda Schaefer Zarske
Natalie Mach
Denise W. Carlson
Denali Lander
Jonathan S. Goode
Christopher Valenti
Joe Friedrichsen
Designing a Sustainable Guest Village in the Saguaro National Park
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Students are challenged to design a permanent guest village within the Saguaro National Park in Arizona. The design must provide a true desert experience to visitors while emphasizing sustainable design, protection of the natural environment, and energy and resource conservation. To successfully address and respond to this challenge, students must acquire an understanding of desert ecology, environmental limiting factors, species adaptations and resource utilization. Following theintroduction, students generate ideas and consider the knowledge required to complete the challenge. The lectures and activities that follow serve to develop this level of comprehension. To introduce the concepts of healthy ecosystems, biomimetics and the importance of sustainable environmental design, students watch three video clips of experts. These clips provide direction for student research and challenge design solutions.

Author:
Wendy J. Holmgren
Amber Spolarich
TeachEngineering.org
VU Bioengineering RET Program,
Megan Johnston
Destination Outer Space
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Students acquire a basic understanding of the science and engineering of space travel as well as a brief history of space exploration. They learn about the scientists and engineers who made space travel possible and briefly examine some famous space missions. Finally, they learn the basics of rocket science (Newton's third law of motion), the main components of rockets and the U.S. space shuttle, and how engineers are involved in creating and launching spacecraft.

Author:
Integrated Teaching and Learning Program,
Denise W. Carlson
Jessica Butterfield
Jessica Todd
Geoff Hill
TeachEngineering.org
Denise Carlson
Sam Semakula
Detail Drawings: Communicating with Engineers
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Students are introduced to detail drawings and the importance of clearly documenting and communicating their designs. They are introduced to the American National Standards Institute (ANSI) Y14.5 standard, which controls how engineers communicate and archive design information. They are introduced to standard paper sizes and drawing view conventions, which are major components of the Y14.5 standard.

Author:
TeachEngineering.org
Benjamin S. Terry, Stephanie Rivale, Denise W. Carlson
Integrated Teaching and Learning Program,
Differential Equations, Fall 2011
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The laws of nature are expressed as differential equations. Scientists and engineers must know how to model the world in terms of differential equations, and how to solve those equations and interpret the solutions. This course focuses on the equations and techniques most useful in science and engineering.

Author:
John Lewis
Haynes Miller
Arthur Mattuck
Jeremy Orloff
Diffraction
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In this optics activity, demonstrate diffraction using a candle or a small bright flashlight bulb and a slide made with two pencils. Learners will observe the diffraction pattern and learn that light has wavelike properties.

Author:
The Exploratorium
California Department of Education
NEC Foundation of America
National Science Foundation