SummaryStudents learn the basics of engineering that go into the design of sneakers. The bottom or sole of sneakers provides support, cushioning and traction. In addition, the sole is flexible and may have some fashion-based functions such as cool colors or added height. Sneakers are well-engineered products that use a mix of materials to create highly functional, useful shoes. For the open-ended activity challenge, students decide on specific design requirements, such as good traction or deep cushioning, and then use a variety of materials to build prototype shoes that meet the design criteria. Includes four guiding student worksheets.
Biomedical engineers are involved in the design of sneakers. While it is important for sneakers to look stylish in order to appeal to consumers, they must also function as intended, so a great amount of technology goes into the design of sneakers. Many factors must be taken into consideration when designing sneakers, such as who will wear them (male, female, child) and for what types of activities. The end user and activity type indicate what shoe characteristics are most important for the design, such as traction, cushioning and/or height.
After this activity, students should be able to:
- Analyze a product's components and function.
- Recognize a design need or engineering challenge.
- Develop, sketch and discuss possible solutions and select one.
- Select appropriate materials for a design solution.
- Construct a working model using a variety of materials.
- Use, evaluate and suggest ways to improve a product.
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Each TeachEngineering lesson or activity is correlated to one or more K-12 science,
technology, engineering or math (STEM) educational standards.
All 100,000+ K-12 STEM standards covered in TeachEngineering are collected, maintained and packaged by the Achievement Standards Network (ASN),
a project of D2L (www.achievementstandards.org).
In the ASN, standards are hierarchically structured: first by source; e.g., by state; within source by type; e.g., science or mathematics;
within type by subtype, then by grade, etc.
Each TeachEngineering lesson or activity is correlated to one or more K-12 science, technology, engineering or math (STEM) educational standards.
All 100,000+ K-12 STEM standards covered in TeachEngineering are collected, maintained and packaged by the Achievement Standards Network (ASN), a project of D2L (www.achievementstandards.org).
In the ASN, standards are hierarchically structured: first by source; e.g., by state; within source by type; e.g., science or mathematics; within type by subtype, then by grade, etc.
- Define a simple design problem reflecting a need or a want that includes specified criteria for success and constraints on materials, time, or cost. (Grades 3 - 5) Details... View more aligned curriculum... Do you agree with this alignment? Thanks for your feedback!
- Generate and compare multiple possible solutions to a problem based on how well each is likely to meet the criteria and constraints of the problem. (Grades 3 - 5) Details... View more aligned curriculum... Do you agree with this alignment? Thanks for your feedback!
- Fluently add and subtract multi-digit whole numbers using the standard algorithm. (Grade 4) Details... View more aligned curriculum... Do you agree with this alignment? Thanks for your feedback!
- Use the four operations to solve word problems involving distances, intervals of time, liquid volumes, masses of objects, and money, including problems involving simple fractions or decimals, and problems that require expressing measurements given in a larger unit in terms of a smaller unit. Represent measurement quantities using diagrams such as number line diagrams that feature a measurement scale. (Grade 4) Details... View more aligned curriculum... Do you agree with this alignment? Thanks for your feedback!
- Given a design task, identify appropriate materials (e.g., wood, paper, plastic, aggregates, ceramics, metals, solvents, adhesives) based on specific properties and characteristics (e.g., strength, hardness, and flexibility). (Grades 6 - 8) Details... View more aligned curriculum... Do you agree with this alignment? Thanks for your feedback!
Each group needs:
- an assortment of materials that provide height, cushioning, flexibility and/or traction for shoe prototype construction, such as sponges, bubble wrap packing material, foam and rubber gloves; see suggestions in Worksheet A: Materials and Properties; feel free to add or substitute items
- 2 fabric base forms, cut to the template in Worksheet D: Pattern for Cutting Fabric Base Forms
- fabrication tools, such as scissors, twine, glue, tape
- Worksheet A: Materials and Properties, 2 per group
- Worksheet B: Design Specifications for the Sneaker
- Worksheet C: Materials and Costs, 2 per group
Sneakers are designed for an assortment of uses. Each application has specific characteristics that must be taken into account before manufacturing. What are your ideas for a sneaker that has never been made before?
Today, you will define specific characteristics for your sneaker, select suitable materials, and create a prototype, just as engineers do.
cushioning: Providing a softening effect to forces.
prototype: A functional early design of a product that is intended for testing.
stiffness: Resistance to being flexed.
traction: Ability to slide a load across a surface.
Designing today's sneakers is an engineering science that combines physics, biomechanics and materials science. The engineering designs take advantage of a wide range materials and creative structural concepts to provide durability, comfort, cushioning and stability. Good designs also consider the characteristics of various foot types (female, male, child) since each has typical shapes and proportions. For example, women's feet are usually narrower with higher arches than men's feet. The inside layout of a well-designed sneaker takes these physical differences into account. Another important consideration is the activity application. Each sport has different footwear requirements; some require high flexibility, others maximum cushioning or high traction.
Before the Activity
- Gather materials for sneaker prototype construction, as suggested on Worksheet A: Materials and Properties.
- Use Worksheet D: Pattern for Cutting Fabric Base Forms to cut out enough fabric shoe bases to provide two for each student group, plus a few extras in case of mistakes. Note: Each group will construct two matching sneaker prototypes.
- Make copies of Worksheets A, B and C.
With the Students
Part 1: Modeling and Building a Sneaker
- As a class, discuss the following: Think about the characteristics of your shoes. What would you like to be different about them? What would it take to create a sneaker with that new property or component? What materials do you know about that could be used?
- Divide the class into groups of three or four students each. Give each group Worksheet B: Design Specifications for the Sneaker to complete.
- Hand out two copies of Worksheet A: Materials and Properties to each group. Discuss the properties of each material (springy, soft, rigid, sticky, rough, etc.).
- Hand out two copies of Worksheet C: Materials and Costs to each group. Costs are assigned to each item. The designed pair of sneakers must be within budget, limiting options and forcing engineering trade-off decisions.
- Distribute two fabric bases plus a bag that includes the materials available for construction of the prototype sneakers. Students can cut or shape materials as desired. Alternatively, set up a "store" at which students can purchase the materials they want by completing and submitting Worksheet C.
- Once students select the materials that they feel will work best (meet their design criteria) for their prototype sneakers, have them use glue and tape to assemble the prototypes.
- Allow the prototypes time to dry.
Part 2: Evaluating and Improving the Design
- Distribute the dry prototypes to the original designers and two lengths of twine for tying on the prototypes.
- If time permits, have groups present their designs to the class, explaining what worked well and how they would improve their prototypes. Evaluate each design according to the criteria in #3, below. If time is short, enlist the help of another adult to evaluate half of the groups.
- Use the following criteria to evaluate for design success, rating on a 1-3 scale:
- Height: Measure the student's height with and without the sneakers on.
- Traction: Slide around the floor with and without the sneakers on.
- Cushioning: Jump up and down with and without the sneakers on.
- Stiffness: Bend and twist prototype sneakers compared to store-bought sneakers.
- If students suggested any additional design criteria, have the group discuss and decide what would be appropriate tests for design success.
- Conclude with a class discussion of the following: Compare your sneaker prototypes to some of the sneakers that students are wearing. How do the materials you used compare to the ones in the store-bought sneakers? Are the ideas you have created realistic? What activities are best suited to your designs?
- Cover desks and floor surfaces to protect them from glue during construction and testing, or set up a special "test area."
- These sneakers are only prototypes and should not be used for actual wear after the adult-supervised testing.
- Which material properties help the sneaker be comfortable when you apply strong forces or pressure to your feet? (The greatest comfort comes from materials that are cushioning [soft] and have the ability to "bounce back.")
- Why is traction important on a sneaker? (Traction is created by friction between the base of the sneaker and the ground. Without traction, shoes slip, as if you were trying to move on an icy surface.)
- Why do the prices of sneakers vary so much? (Sneaker prices vary because they depend on material costs, marketing costs, manufacturing costs, and supply and demand pressures.)
Post-Activity Assessment: Observe class participation in during the discussion about sneaker characteristics.
Activity Embedded Assessment: Evaluate design success during testing. Rate criteria using a 1-3 scale.
Post-Activity Assessment: Assign students to write descriptions of their sneaker designs, explaining the reasons for each feature and what activities they would be best suited for.
Have students create a list of other types of footwear. From this list, either discuss the importance of (or create a graph that shows) the same design criteria (height, stiffness, cushioning, traction) for each of these.
For upper grades, assign students to research specific materials and combinations of materials that are used to manufacture real sneakers
"Sneakers: From Start to Finish (Made in the USA)." Samuel G. Woods, Gale Zucker (photographer)
Copyright© 2013 by Regents of the University of Colorado; original © 2001 WEPAN/Worcester Polytechnic Institute
Supporting ProgramMaking the Connection, Women in Engineering Programs and Advocates Network (WEPAN)
Project funded by Lucent Technologies Foundation.
Last modified: February 21, 2018