Previous Projects

Project information for the 2016-2017 academic year is also available on the legacy website at https://sites.google.com/a/hcde.org/stemschoolfablab/home

2016-2107

2015-2016

Chattanooga State Free Flyer Endurance

STEM student teams will work with Chattanooga State professors to design and create a machine that safely moves a predetermined mass from point a to point b with predefined materials. The goal is to design and create a machine that flies a payload a maximum amount of time. For Chattanooga State, the focus is on the efficiency and functionality of the design. For the STEM School, the focus is on the collaborative skills demonstrated by the student teams.

ThinkSpace Design

STEM student teams will design a ThinkSpace for the computer lab based on design thinking concepts and principles. Four to five student teams will compete to create the most stimulating lab design within the given constraints. For the industry partner, the focus is on the thoughtful, creative design of the ThinkSpace. For the STEM School, the focus is on the collaborative skills demonstrated by the student teams.

UTC Off-Grid Charging Station Device

STEM student teams will be tasked to design and build a device that converts mechanical energy to electrical energy in order to provide an off-grid charging station for the UTC School of Education and UTC student center. The mechanical energy will be provided as students open and close the doors to the student center. For the project lead, the focus is on the development of a sustainable, renewable energy source for UTC student center patrons. For the STEM School, the focus is on the student teams demonstrating collaborative skills throughout product development.

Normal Park Design Studio and Maker Space

STEM student teams will apply the Design Thinking process to enhance use of the studio, inspire student creativity, and stimulate future makers. Teams will design, fabricate, and install functional and aesthetic elements for the Design Studio and Maker Space. Teams will work with the sponsor to learn Design Thinking principles and interview the students for inspiration. This project will require extensive use of the laser cutter, vinyl cutter, plotter, and ShopBot. For the school partner, the focus is on the thoughtful, creative design of the spaces to inspire students. For the STEM School, the focus is on the critical thinking skills demonstrated by the student teams.

Portable Hydro Power Station

STEM student teams will be tasked to design and build a portable hydro power station to charge mobile devices such as smartphones. The hydropower will be supplied by the Tennessee River. For the project lead, the focus is on the development of a sustainable, renewable energy source for various outdoor recreation users and emergency situations. For the STEM School, the focus is on the student teams demonstrating critical thinking skills throughout product development.

3D Printed Home Design Competition

STEM student teams will design and fabricate a prototype of a small home that reimagines home architecture using Branch Technology’s Cellular Fabrication technology. Home design concepts that were once only possible using expensive or time-intensive methods will soon be possible using less costly methods of construction being pioneered by rapidly emerging 3D printing technology. For the school partner, the focus is on the creation of a novel home design that takes advantage of 3D printing technology. For the STEM School, the focus is on the innovation skills demonstrated by the student teams.

MoonPie 100th Anniversary Commemorative Container

STEM student teams will design and fabricate a special container for MoonPies to commemorate their 100th year anniversary. For the school partner, the focus is on the creation of a special container that promotes MoonPies with both functional and marketing aspects. For the STEM School, the focus is on the innovation skills demonstrated by the student teams.

East Lake Park Outdoor Classroom and Middle School Student Design Mentoring

STEM teams will develop design solutions for an outdoor classroom to impact sustainability (social, environmental, and economic) as well as energy conservation for East Lake Park. Teams will apply design thinking methods for inspiration, to empathize with stakeholders, and to generate, develop, and prototype ideas. Teams will work with a middle school partner to mentor students to design an outdoor classroom as part of a first-ever design competition. For the school partner, the focus is on developing a creative outdoor classroom experience. For the STEM School, the focus is on the innovation skills demonstrated by the student teams.

Challenger STEM Learning Center

STEM student teams will develop new content for one of two content areas to enhance mission scenarios for the Challenger STEM Learning Center’s simulated missions. The first content area will integrate 3D printing capabilities as part of the mission scenarios. The second content area will produce videos to simulate the transporter traveling through space. For the project sponsor, the focus is on the development of quality content that enriches the experience of students participating in the simulated missions. For the STEM School, the focus is on the student teams demonstrating collaborative skills throughout product development.

Edney Center Innovation Space Design

STEM student teams will apply design thinking principles in order to design options for the Edney Center Innovation Space. The design will meet Edney Center objectives for a multi-purpose space. Specifically, the design needs to be reconfigurable to accommodate routine use as well as special events and performances. The design should consider aspects such as storage needs, safety, ease of reconfiguration, and electrical power. The student teams will create the most stimulating design within the given constraints. For the business partner, the focus is on the thoughtful, creative design of the Innovation Space. For the STEM School, the focus is on the collaborative skills demonstrated by the student teams.

EPB Holiday Window Displays

STEM student teams will work with EPB to design and build a display item for the annual EPB Holiday window. The display item must incorporate mechanized dolls and must meet the high standard required by EPB. The item must relate to the general theme of the window. For EPB, the focus of the project is on the product created by the student teams. For the STEM School, the focus of the project is on the collaborative skills exhibited by the student teams.

Solar Panel Design and Fabrication

STEM student teams will design and fabricate solar array panels for Chattanooga State Community College. The solar panels must satisfy performance requirements specified by the sponsor with respect to number of arrays, power output, electrical interfaces, functionality, and craftsmanship. The panels will provide electrical power to charge a graphene capacitor capable of recharging or powering small electronic devices. For the sponsor, the focus is on creation of a functional solar panel with a professional appearance and demonstrating understanding of the physics of solar energy. For the STEM School, the focus is on the collaboration skills demonstrated by the student teams.

3D Printing Kiosk for Red Bank Elementary

Red Bank Elementary School would like to make 3D printing more accessible for their students. STEM students will design and produce a kiosk-style solution that simplifies how young students use the 3D printer. For the project sponsor, the focus is on the creating a reliable solution that improves student use of their 3D printer. For the STEM School, the focus is on the student teams demonstrating collaborative skills throughout product development.

TVA Power Demand Modeling and Analysis

STEM student teams will assess issues involved in load swinging demands for TVA and will identify, model and analyze possible solutions ranging from electricity providers to home consumers. The production costs of electricity at peak demand periods is prohibitive. The related maintenance costs of turning assets off during low demand periods is also prohibitive. The best value for the 9,000,000 rate payers in the Valley is to have lowest cost assets producing power at a near constant rate instead of cycling. For the TVA sponsor, the focus is on quality of analysis and sound application of the engineering design process to develop solutions for the load swing issue. For the STEM School, the focus is on the collaboration skills demonstrated by the student teams.

STEM School Outdoor Classroom

STEM student teams will apply a human-centered design process to design and build an outdoor classroom for the STEM School. The classroom should meet the needs identified by the science teacher sponsor and take into consideration both functional and aesthetic considerations. The students should consider opportunities to obtain donated materials and choose materials that will meet outdoor classroom needs while balancing cost constraints. The teams will hold a design review with the sponsor and present three design options embodying varying degrees of design risk (i.e., “Ford”, “Cadillac”, and “Lamborghini” design concepts). After the design review, the teams will create a final design and build it out. For the STEM School science teacher sponsor, the focus is on creating an effective outdoor classroom environment that facilitates learning objectives in a creative and aesthetically pleasing design. For the STEM School, the focus is on the collaboration skills demonstrated by the student teams.

CodeScience Open Work Space Design Project

STEM student teams will design and prototype concepts to solve the sound issues in the open working environment at CodeScience. The solutions should be effective in creating workspaces that foster collaboration while reducing disruptive sounds. The solutions should also be aesthetically pleasing and consider cost, durability, and buildability. For the business partner, the focus is on the thoughtful, creative design to improve the effectiveness of the open environment workspace. For the STEM School, the focus is on the collaboration and critical thinking skills demonstrated by the student teams.

Komatsu 3D-Printed Demonstration Model

Komatsu is exploring potential uses of 3D printing in their engineering and operations areas. For their initial 3D printing application, they require STEM teams to 3D-print scale models of a Komatsu excavator. Komatsu needs two models. The first model shall have a minimum base length of 10 inches. This model shall have fully-articulated moving parts, a smooth surface with no visible defects, and be finished in Komatsu paint colors and markings. The second model is intended for live 3D-printing demonstrations during plant tours. It shall be designed for reliable and quality 3D printing by desktop-class 3D printers in less than two hours, with an objective of less than one hour. The second model does not require fully-articulated moving parts and shall be finished in the natural color of the 3D-printer filament. STEM teams will deliver both scale models and digital copies of all design files (e.g., CAD models and 3D-printer STL files). For the industry partner, the focus is on the development of high quality 3D-printed models and the ability to use the models and digital files to demonstrate 3D printing capabilities within the company and to visitors. For the STEM School, the focus is on the collaboration and critical thinking skills demonstrated by the student teams.

Prosthetic Design and Fabrication

STEM student teams will research a patient need that could benefit from 3D-printed prosthetics. The teams will generate and analyze candidate solutions using criteria formed through their research. The teams will design and fabricate prototypes for the problem area using 3D printers and other methods. For the industry partner, the focus is on the thoughtful, creative design of prosthetics to meet a patient need. For the STEM School, the focus is on the collaboration and critical thinking skills demonstrated by the student teams.

UTChattSat Cube Satellite Project

STEM student teams will design, prototype, and test a small-scale satellite (known as a CubeSat) sub-system in support of specific research objectives for the UTC Department of Electrical Engineering. The CubeSat sub-system will use an Arduino-based design to implement a thermostatically-controlled heating system in order to maintain a safe temperature range for CubeSat payloads. The sub-system must satisfy size, weight, and power constraints. Teams will test and evaluate designs to verify system performance requirements. For the project partner, the focus is developing a functional design for a CubeSat heating system. For the STEM School, the focus is on the collaboration and critical thinking skills demonstrated by the student teams.

WestRock Merchandise Display

STEM student teams will apply engineering design principles to design, fabricate, and present a full-scale promotional display set up for a national sporting goods chain designed to elevate the presentation of a new athletic product line. Designs must consider product attributes, apply creativity in style and construction methods, and create a premium experience superior to competitors. This project will require extensive use of the laser cutter, vinyl cutter, plotter and the ShopBot. For WestRock, the focus is on creating a quality promotional display utilizing a range of fabrication capabilities to meet customer needs. For the STEM School, the focus is on the student teams demonstrating collaboration and critical thinking skills throughout product development.

Drone-Based GIS Analysis

STEM student teams will utilize the school’s DJI Phantom drone to collect GIS data of the Chattanooga State Community College campus. Using computing and software resources at UTC’s SimCenter, the teams will create a GIS model of the campus. For the school partner, the focus is on GIS modeling and analysis using data collected from the drone. For the STEM School, the focus is on the critical thinking and innovation skills demonstrated by the student teams.

Science on the Go

STEM student teams will design and fabricate a mobile cart to implement the “Science on the Go” Teacherpreneur concept. The design provide a mobile science lab and curriculum for elementary school students. For the school partner, the focus is on development of a “Science on the Go” solution to meet elementary science teacher and student needs. For the STEM School, the focus is on the critical thinking and innovation skills demonstrated by the student teams.

Smart Garden Project

STEM student teams will design and fabricate a smart garden system to monitor and support a small garden. The design will use Arduino technology for automated monitoring, alerting, and watering of the garden. For the school partner, the focus is on development of a working smart garden solution to meet consumer needs. For the STEM School, the focus is on the critical thinking and innovation skills demonstrated by the student teams.

BraveBot Kinetic Sculpture

STEM student teams will design and fabricate a functional and artistic “kinetic sculpture” to dispense Brave Bots to young patients at Erlanger Hospital. For the school partner, the focus is on development of an effective solution that positively impacts children receiving care at Erlanger Hospital while also meeting safety, sanitary, and reliability requirements. For the STEM School, the focus is on the critical thinking and innovation skills demonstrated by the student teams.

3D Printed Home Design Competition

STEM student teams will design and fabricate a prototype of a small home that reimagines home architecture using Branch Technology’s Cellular Fabrication technology. Home design concepts that were once only possible using expensive or time-intensive methods will soon be possible using less costly methods of construction being pioneered by rapidly emerging 3D printing technology. For the school partner, the focus is on the creation of a novel home design that takes advantage of 3D printing technology. For the STEM School, the focus is on the innovation skills demonstrated by the student teams.

Portable Hydroelectric Power Station

STEM student teams will design and fabricate a portable hydroelectric power station. Intended users include recreational campers, peoples in undeveloped countries, and victims of natural disasters in need of power. Users may have various needs ranging from providing light to charging smartphones. For the school partner, the focus is on the use of the engineering design process and modeling of fluid flows to produce a viable power station. For the STEM School, the focus is on the innovation skills demonstrated by the student teams.

Rezli Professional Networking Site

STEM teams will develop design concepts and prototypes for Rezli’s professional networking site aimed at the youth market of gamers, athletes, and musicians. Teams will conduct market research by surveying fellow students on features and aspects that would be valuable to users in the teenage market. Teams will provide feedback regarding the user profile page and what features need to be added and then code and create the updated profile page with the new features. For the school partner, the focus is on developing a user experience that will relate to the teenage market. For the STEM School, the focus is on the innovation skills demonstrated by the student teams.

Red Bank Elementary Imagination Machine

STEM student teams will design an interactive electronic-mechanical system to create an engaging experience for students to learn math and scientific principles at Red Bank Elementary School. The system will serve as the centerpiece in the school library’s Maker Space and must support checking in or checking out books. Students will build full-scale fully-functioning prototypes. Students should include electronic capabilities, such as Arduino or Raspberry Pi. This project will require use of the ShopBot, laser cutter, and vinyl cutter. For the school partner, the focus is on the thoughtful, creative design of the system to inspire students. For the STEM School, the focus is on the innovation skills demonstrated by the student teams.

Glass Street Community Bike Station

STEM student teams will design and fabricate a bike station for kids to use outside of Studio Everything on Glass Street. The bike station will feature both artistic and functional aspects. It will be made from metal and serve as a form of metallic art sculpture. It will include capabilities for bike maintenance as well as a charging capability for smartphones. For the school partner, the focus is on the creation of a bike station that possesses artistic value and enhances the Glass Street community. For the STEM School, the focus is on the innovation skills demonstrated by the student teams.

Chattanooga Urban Design Project

The Chattanooga Renaissance has produced a vibrant and active downtown environment for businesses, tourism, dining and entertainment. Thousands of people work in and visit downtown every day. Improving the downtown experience for these people will enhance quality of life, benefit businesses, and increase sense of community. For this project, students will apply design to enhance existing but underused open spaces in downtown Chattanooga. These spaces may be privately or publically owned and may be small or relatively large. For the school partner, the focus is on application of design principles and development of creative solutions to enhance downtown open spaces. For the STEM School, the focus is on the collaboration and innovation skills demonstrated by the student teams.

MoonPie 100th Anniversary Social Media Campaign

MoonPies are the sole product of Chattanooga Bakery product and the year 2017 marks the 100th anniversary of this iconic product. STEM student teams will design and develop a social media campaign for Chattanooga Bakery to commemorate the anniversary of MoonPies. For the school partner, the focus is on the creation of a creative and effective social media campaign that promotes MoonPies. For the STEM School, the focus is on the collaboration and innovation skills demonstrated by the student teams.

Tennessee Aquarium Environmental Relief Model

The Tennessee Aquarium Conservation Institute (TNACI) has opened its flagship freshwater field station to support research, conservation, and education programs. To enhance its educational mission, TNACI has asked STEM students to develop an environmental relief model to demonstrate the effects of non-point source pollution and pervious and non-impervious surfaces on the quality of the Tennessee River ecosystem. STEM students will choose whether to create a large-scale model of the hydrologic unit containing Chattanooga or a large-scale model of the TNACI field station site and its water sustainability features. Additionally, the Tennessee Aquarium would like smaller models for use in its educational classrooms. This project may extend to two quarters to complete all requested models if the work meets the requirements of the sponsor. For the school partner, the focus is on the creation of a high quality model to support its educational mission. For the STEM School, the focus is on the collaboration and innovation skills demonstrated by the student teams.

Challenger Center Micronaut Program

STEM teams will help the Challenger Center and their special "Micronaut" program for younger students. Our local Challenger Center at UTC is one of 45 centers around the world. However, they led the way for all the centers in developing a version of the Mars simulation for elementary-aged kids, affectionately called the Micronaut program. Each year our Challenger Center develops enhancements for the Micronaut program which they license to the other centers around the world. This year, Center Director Perry Storey wants to provide a "glove box" that they can distribute to the other centers. He has asked STEM teams to help design and implement it. These enhancements need to be made with commercially available parts and components so it can be maintained by each of the Challenger Centers. It also needs to be affordable. The best solutions will achieve a high degree of quality using commercial off-the-shelf components for an affordable cost. The Micronaut Glove Box will launch this summer--if STEM students can come up with a solution. In the immortal words of Gene Kranz, failure is not an option (except as part of your prototyping process, of course!). For the school partner, the focus is on the creation of a glove box system suitable for the Micronaut program and deployable to Challenger Centers around the world. For the STEM School, the focus is on the innovation and critical thinking skills demonstrated by the student teams.

Downtown Chattanooga Urban Planning Physical Model

The Chattanooga Design Studio would like to build a large physical model of downtown Chattanooga. This model will help urban planners and community stakeholders better understand how new development will change the appearance of downtown. After a visit to the FabLab, Design Director Roy Wroth saw the potential to realize his dream for this model. He envisions a model measuring 10 feet by 10 feet, however, he would like STEM teams to create a smaller demonstration model covering a couple downtown blocks. Just as important, the teams need to develop specifications so other designers can create other city blocks and replace sections of the model with new models to represent future development. This project was made for digital fabrication tools like the laser cutter, ShopBot, and our new 3D printer. Which tool will work best to meet user needs? That's up to your team! If you're looking for a fabrication project combining model building and computer-aided design, this may be the project for you! For the school partner, the focus is on the creation of a prototype for a physical model of downtown Chattanooga to show how it can enhance urban planning. For the STEM School, the focus is on the innovation and critical thinking skills demonstrated by the student teams.

Drone-Based Chatt State Interactive 3D Campus Model

Drones are revolutionizing businesses and industries due to their increasing capabilities and decreasing costs. One such area is the field of geographic information science which deals with capturing, processing, and representing geographic information. For this project, STEM students will work on a project to create an interactive, photo-realistic 3D model of the Chatt State campus using our drone. This model must be hosted on Sketchfab.com and will feature interactive markers to identify buildings and provide a virtual campus tour for prospective Chatt State students. We’re partnering with the UTC Interdisciplinary Geospatial Technology Lab where STEM teams will use their computing resources to generate the model. This project is limited to two teams and they must be able to work a minimum of 2 hours a week at the UTC SimCenter. If drones, GIS, and computer modeling are your passion, then this is the perfect project for you! For the school partners, the focus is on GIS modeling and analysis to create a virtual campus model to promote Chatt State. For the STEM School, the focus is on the critical thinking and innovation skills demonstrated by the student teams.

Lupton City Mill Site Architecture Design Project

Working with an amazing group of architects from local firms Franklin Architects, Hefferlin Kronenberg Architects, Cogent Studio, Elemi Architects, and Antidote, STEM student teams will design architectural solutions to reimagine the future of Lupton City. Located only a few miles from the STEM School, Lupton City was once the classic example of a company mill town. Founded in 1920, the town provided modern worker housing near the mill, as well as community services such as a school, post office, and church, and amenities such as concrete sidewalks, a gym, a movie theater, and a swimming pool. (Wikipedia). However, that all changed when the mill closed in 2009. The property was acquired by an out-of-state company which proceeded to demolish the mill and left a 12-acre site of rubble. However, the future is looking bright again. The City of Chattanooga acquired the property and on January 6th, Mayor Andy Berke and Councilman Jerry Mitchell announced a plan to clean up the site. For the school partner, the focus is on the application of architectural design process to discover a solution that meets the needs of stakeholders. For the STEM School, the focus is on the innovation and critical thinking skills demonstrated by the student teams.

Reflection Riding Interactive App

Reflection Riding is a 317-acre nature preserve located at the base of Lookout Mountain. Their website states "Reflection Riding has something for everyone, from a leisurely picnic under the trees, and a paddle down the creek, to a heart-pumping hike on the 15 miles of trails. It is all yours to explore!". Education Director Corey Hagen would like to enhance the experience of visitors with an interactive app to provide information on the trees at Reflection Riding. This project will require coding but don't worry—teams new to app development will be partnered with a coding teaching and student mentor. Not everyone on your team needs to code--in fact, most of the work will be curating the information for the app to provide information on the 142 different species of trees at the nature center. The best teams will blend their skill sets with coding, research, and data management. For the school partner, the focus is on the creation of an interactive app to enhance the visitor experience at Reflection Riding. For the STEM School, the focus is on the innovation and critical thinking skills demonstrated by the student teams.

Rivermont Elementary Aquaponics Off-Grid Power Project

A recent Times Free Press article notes, new Rivermont Elementary Principal Nikki Bailey "adopted a curriculum focused on science, technology, engineering, arts and math, known as STEAM. The school is in the process of building two STEAM labs, providing teachers and students with spaces to tinker, create, build and learn together." Sound familiar? The students at Rivermont are all about STEAM. Inspired by the Animal Allies theme for their FIRST Lego League competition, the robotics team members came up with an idea to create an aquaponics garden. They've been assembling components from recycled soda bottles for months and getting ready to install their new garden but there's one problem: they need electricity to power a couple of small recirculating pumps. Unfortunately, the garden site is too far from the building to run power so they've asked the STEM School to design and implement an off-grid power system. It could be wind or solar power or something else--the answer will depend on your analysis, design, and testing. For the school partner, the focus is on the development of an off-grid power system for the aquaponics garden that can be maintained by students and provide educational opportunities. For the STEM School, the focus is on the innovation and critical thinking skills demonstrated by the student teams.

Songbirds: Storytelling Through Music and Film Production

Songbirds Guitar Museum is a guitar-oriented, pop culture experience for the whole family which has recently opened to the public. To enhance their exhibits of rare and vintage guitars, STEM student teams will develop multimedia content to tell the unique stories behind these instruments and enrich the understanding of museum visitors. Each team will tell the story of a guitar (or a series of guitars) and how the instruments impacted the world through the creation of a short documentary film. The students involved will need to research, create a story board telling the story of the guitars, create a short film on par with industry standards, practices, and techniques, create audio backtracks and voiceovers, and finally arrange and edit all content to skillfully showcase the instruments and their legacy. Students will use a mobile recording rig provided by Dynamo Studios to create the multimedia content. Dynamo Studios acts as a resource for musicians to generate success in the music world. Their goal is to be the catalyst in a musician's or student's life that allows them to realize their full potential through innovative, collaborative, production based learning programs. The primary focus for Dynamo Studios is to facilitate learning through media creation such as film and audio production. Dynamo will provide curriculum, tutorials, lessons, and educational/technical support for STEM School students and staff. For the school partners, the focus is on students achieving higher learning facilitated through the creation of multimedia content to enhance the guitar exhibits. For the STEM School, the focus is on the innovation and critical thinking skills demonstrated by the student teams.

Unum Performance Support of the Future

As a leading insurance provider, Unum must continually hire and train talented personnel in order to deliver products and services to 33 million people at 181,000 companies. Unum wants to demonstrate they can revolutionize how they deliver training to a multigenerational workforce with various learning styles and preferences. The current training approach, technology and content are outdated and consist mainly of instructor led classes and CBT modules. On-boarding is lengthy, boring, expensive and is not optimally effective. Additionally, time to proficiency is too long. Unum is asking a multidisciplinary group of students to deliver a prototype learning artifact and/or performance support tool that demonstrates decreased time to proficiency, increased return on training investment and increased learner engagement. For the school partner, the focus is on the creation of an innovative and effective performance support tool. For the STEM School, the focus is on the critical thinking and innovation skills demonstrated by the student teams.

Word Search Directory for HCDE Central Office

HCDE Director of Literacy Kelly Shaw knew the HCDE Central Office needed a directory to guide visitors...but it needed to be distinctive. When she saw a picture of a word search puzzle sign, she found her inspiration. Her eureka moment came on a visit to the STEM School when she saw the The Three Tenets of STEM sign. That was it! Well, it was close. She needs a ginormous sign measuring 4 feet by 8 feet that will guide visitors to the departments located in the HCDE Central Office building. The sign should be modeled after a word search puzzle, with a mix of engraved and raised letters. The circled words should represent the departments located in the HCDE Central Office building. There should be hidden words, too, that reflect the school district values and attributes. And it needs to include color as well. Think "elegant design centerpiece" and you're getting the idea. This project will be prominently displayed in the HCDE Central Office. Prototyping will be critical to discover the best methods to create this sign. If you've been wanting to make friends with the ShopBot and laser cutter (and possibly the new 3D printer) and you have a flair for design and detail, then this may be the project for you. For the school partner, the focus is on the creation of a prototype for a physical model of downtown Chattanooga to show how it can enhance urban planning. For the STEM School, the focus is on the innovation and critical thinking skills demonstrated by the student teams.