Unit 6 — Biomimicry - Animal Designs in Engineering
Description
Students observe how animals use tails and roots for balance and stability, then apply these principles to human engineering challenges. They build structures like tables and coat racks using animal design concepts. This unit connects biology to engineering and demonstrates how natural solutions can inspire technology.
Essential Questions
- How do animals use balance to survive?
- How can animal designs improve human engineering?
- What makes something stable?
Learning Objectives
- Observe and identify balance and stability in nature
- Apply biomimicry principles to design solutions
- Build structures using animal-inspired designs
- Test structures for stability and strength
- Explain connections between nature and technology
Supplemental Resources
- Popsicle sticks for model building
- Pipe cleaners for flexible construction elements
- Index cards for creating labels and explanations
Life Sciences
Engineering Design
Interaction of Technology and Humans
Students write in science notebooks, create digital stories about plants and animals, and communicate findings through word processing documents and presentations. Students read and interpret informational texts about engineering design and natural systems.
Formative Assessments
- Observation of structure building and testing for stability
- Discussion of animal features and how they inspired designs
- Hands-on testing of balance in constructed structures
- Sketches showing connections between animals and designs
Summative Assessment
Completed structure (table, coat rack, or playground equipment model) using animal design principles; explanation of how the animal feature inspired the design
Benchmark Assessment
A midunit task where students sketch or verbally describe one animal's balance or stability feature and explain how it could be used to improve a simple object like a pencil holder or plant stand. This assesses observation skills, understanding of biomimicry concepts, and the ability to connect animal design to human engineering problems.
Alternative Assessment
Students may demonstrate understanding through a teacher-led interview where they explain how an animal feature relates to balance and stability, with visual aids or the actual animal example present. They may build a simplified structure with reduced complexity requirements or work with a peer or adult to construct their animal-inspired design.
IEP (Individualized Education Program)
Students may benefit from visual supports such as labeled diagrams or photo cards showing how animal features like tails and roots provide balance and stability, helping them connect biological observations to engineering concepts. Providing step-by-step visual or numbered build sequences can support students who need additional processing scaffolding during hands-on construction tasks. For the summative explanation, allow students to demonstrate understanding orally or through a teacher-guided verbal walkthrough of their structure rather than requiring written output alone. Modifications may include reducing the complexity of the required structure or focusing explanation requirements on one clear animal-to-design connection rather than multiple.
Section 504
Students should be given extended time during hands-on building and testing phases to reduce performance pressure and allow for careful, focused work. Preferential seating near the teacher during observation and discussion portions of the unit can help students stay engaged with content about animal features and their engineering applications. Ensuring a low-distraction workspace during independent building and sketching tasks supports sustained attention across this unit.
ELL / MLL
Providing visual vocabulary cards with images and simple definitions for key terms in this unit — such as stability, balance, structure, and the names of relevant animal features — will help students access the content more fully. Teachers should use physical demonstrations, real objects, and visual comparisons between animal designs and engineered structures whenever introducing new concepts, reducing reliance on language-heavy explanations. Simplified, clear directions with visual cues for each phase of building and testing, and welcoming students to discuss ideas in their home language with a partner before sharing, supports both comprehension and participation.
At Risk (RTI)
Connecting this unit's concepts to familiar, everyday experiences — such as how a wide-legged stool is harder to tip over, similar to how an animal uses its tail — can help build the foundational understanding needed before students attempt their own designs. Offering pre-selected animal examples with clear, concrete visual supports gives students an accessible entry point into biomimicry without requiring them to generate comparisons independently. Breaking the design-and-build process into smaller checkpoints with teacher feedback at each stage helps students stay on track and experience success before moving to the next phase.
Gifted & Talented
Students who quickly grasp the connection between animal features and structural design can be encouraged to investigate multiple animal adaptations and evaluate which would most effectively solve a given engineering challenge, moving from single comparisons to systems-level thinking. Extending the design process to include iterative testing and redesign — documenting what failed, why, and what they changed — deepens engagement with real engineering practice. Students may also explore how biomimicry has influenced specific fields of technology or propose an original design inspired by an animal feature not discussed in class, supporting both research skills and creative problem-solving.