In this lesson, 3rd grade students will observe and study characteristics and patterns found in nature that can be imitated to solve real-world problems. This approach is called biomimicry. As a final outcome, students will design a prototype that presents an invention or innovation inspired by their observations of rolly pollies, animals with interesting features that can inspire design solutions.
During the process, students may design either a part of their invention or a complete prototype using Tinkercad, which can later be printed using a 3D printer. This lesson primarily integrates Science and Engineering, while also addressing sustainability, specifically Sustainable Development Goal (SDG) #12: Responsible Consumption and Production.
Students explore biomimicry, the practice of learning from nature to solve human problems. By observing rolly pollies, students identify interesting characteristics and design a prototype inspired by these features.
Students will design a sustainable invention or innovation that solves a problem while considering responsible production and consumption (SDG #12).
Prototypes may be:
Students will be able to:
With this lesson, I observe that my learning was more detailed by considering the alignment between objectives and evaluation through pedagogical, technical, and sustainable lenses, as well as technological fluency among other aspects. It has also been interesting to have planned many details and to receive feedback from the AI—in my case, because it was my choice. Something that really caught my attention is that I did this project for a long time in an analog way; however, for the first time and because I recently acquired 3D printers in class, I incorporated the option that allowed students to choose if they wanted to expand their proposal by designing and printing a part or the complete prototype for their presentation. I liked the result very much upon seeing the satisfaction of the students who participated, while on the other hand, I noticed how it sparked a curiosity to learn about 3D and Tinkercad to design and apply biomimicry learning in the generated models. I observed that not everyone has that skill well-established, yet the sustainability component was more conscious and practical since the students knew they would be copying something from nature in exchange for taking care of it. The experience with AI was also interesting as I was able to apply other personal learnings.
Introduction and exploration through observation and making connections
Students will be introduced to the unit by observing rolly pollies in their natural environment. Using magnifiers, they will carefully observe the organisms, draw what they see, and record notes about the patterns and characteristics they notice.
(35 minutes)
Next, students will watch a short video about biomimicry to introduce the concept and provide real-world examples. After the video, students will discuss the examples and share any others they may already know.
(15 minutes)
Explanation of the criteria and sustainability
The teacher will introduce the Biomimicry Prototype Project and explain the criteria students must follow. The project consists of designing a prototype that demonstrates how an invention or innovation works. The design must meet the following criteria:
Include at least one characteristic inspired by a rolly pollie.
Solve a real problem or address a need.
Demonstrate sustainable design by considering responsible production and consumption.
(10 minutes)
The teacher will then introduce SDG #12: Responsible Consumption and Production and guide students in analyzing how this goal relates to the situation in Guatemala. The teacher will facilitate a class discussion using the following questions:
Why is this SDG important to consider when planning and building our prototype?
How can people in Guatemala produce and consume resources in a more sustainable way?
What is the connection between biomimicry and sustainability in the ideas you could create?
(15 minutes)
Individually, each student will create a sketch of their idea on blank paper. This drawing will help them generate a design idea that they will later share with their group.
(25 minutes)
Decision making and interview
The teacher will organize students into groups of three. Students will share their individual ideas with their group members. The group will then decide whether to:
(15 minutes)
Once the group agrees on a concept, they will create a final sketch on the provided worksheet. This sketch will be shared with the teacher for feedback.
The teacher will conduct a brief interview with each group using the following guiding questions:
If the idea is clear and meets the criteria, the teacher will give the group a green sticker, indicating that they may begin building their prototype.
Groups may choose to:
(35 minutes)
Design and building
Students will continue designing and building their prototypes either digitally or using physical materials.
(50 minutes each day)
Between Days Five and Six, the teacher may 3D print selected designs created in Tinkercad. Some students may prefer to present their digital prototype directly from the computer, while others may choose to present a 3D printed model.
Presentation time and evaluation
Students will present their prototypes through a presentation and gallery walk format. Each group will have 5 minutes to present their idea and explain:
Presentations are open and flexible within the time limit. However, key aspects of the project will be evaluated using a rubric.
(50 minutes)
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