STEM Curriculum for Sixth Grade

🧬 Agents of Change: Impact Missions and STEM Ethics.

An annual 8-mission plan for sixth grade, focusing on ethical debate, technological entrepreneurship and complex systems engineering.

Main Objective of the Plan

To inspire sixth grade students to be ethical problem solvers, capable of analyzing complex systems, debating the impact of technology, and prototyping social entrepreneurship solutions.

STEM Disciplines and Skills

Science: Biology (DNA, heredity, genes), biotechnology (CRISPR concept).
Technology: Research (medical databases), double helix modeling.
Engineering: Design of a «family tree» for trait tracking (data engineering).
Mathematics: Probability (simple Punnett squares), statistics (trait frequency).

Critical Thinking: What traits are inherited vs. learned? Is it ethical to «design» babies?
Collaboration: Structured debate on the pros and cons of gene editing.

Hands-on activities

Strawberry DNA extraction: Use alcohol, soap and salt to visibly extract DNA from a strawberry or banana.
Edible DNA Model: Build a model of the double helix using gummies (nitrogenous bases) and licorice (sugar-phosphate skeleton).
Ethics Debate (CRISPR): Research a gene editing use case (e.g., curing a disease vs. changing eye color) and participate in a formal discussion.

Hybrid/Remote Adaptation (Debate): Use a platform such as Kialo (web) to create a visual discussion tree, or a structured discussion forum (Flipgrid) where students post video arguments and rebuttals.

Kialo (web), Flipgrid, CRISPR explanatory videos (Kurzgesagt).

Formative Evaluation

Correctly labeled DNA model.
Punnett square worksheet.
Debate participation rubric (based on arguments and evidence).

Integration of Ethical Values

Ethics and Responsibility: Discuss the phrase «Just because we *can*, does that mean we *should*?»
Equity: Who will have access to these expensive medical technologies and will it increase the social gap?

STEM Disciplines and Skills

Science: Biology (animal/plant adaptations), astrobiology (habitable zone).
Technology: Research (AskNature.org), 3D modeling (Tinkercad).
Engineering: Reverse design process, prototyping of biomimetic solutions.
Mathematics: Geometry (shapes in nature, e.g. hexagons in honeycombs), golden ratio (concept).

Systemic Thinking: How does nature solve energy, water and material problems without waste?
Creativity: Apply a biological solution to a human problem.

Hands-on activities

Biomimetics Inventory: Research (e.g., AskNature.org) and present 3 examples of how humans have copied nature (e.g., Velcro, bullet train, sharkskin bathing suits).
Biomimetic Design Challenge: In groups, choose a problem (e.g., «collect water from fog,» «keep a building cool without A/C») and design an organism-inspired prototype.
Design of a «Habitable Exoplanet»: Based on the «Golden Zone» concept, design a planet (distance to the star, atmosphere, water) that could harbor life.

Hybrid/Remote Adaptation (Biomimetic Design): Students create their prototype in Tinkercad (digital) or as a detailed engineering drawing, and present it in a video pitch.

AskNature.org, Tinkercad, NASA Exoplanet Exploration (web).

Formative Evaluation

Presentation of biomimetics research.
Prototype or blueprint of the design challenge (rubric).
Poster of the «Habitable Exoplanet» (justifying their decisions).

Integration of Ethical Values

Sustainability: Recognize that nature has 3.8 billion years of R&D in sustainability.
Perspective: To value the fragility and uniqueness of life on Earth.

STEM Disciplines and Skills

Science: Market research (surveys, data analysis).
Technology: App (Figma) or product (Tinkercad) prototyping, digital marketing (Canva).
Engineering: Product design process (Lean Canvas), MVP (Minimum Viable Product).
Mathematics: Budget (fixed/variable costs), revenue projection, product pricing.

Critical Thinking: Is my solution desirable (by the user), feasible (technologically) and viable (financially)?
Planning: Create a one-page business plan (Lean Canvas).

Hands-on activities

Ideation of Social Entrepreneurship: Identify a social or environmental problem (local or global) and propose a STEM-based solution (e.g., app that reduces food waste, low-cost device for charging phones).
Minimum Viable Product (MVP) prototype: Create a rapid prototype (in Figma/Canva for apps, or cardboard for products) to test the core idea.
Social «Shark Tank» event: Prepare a 3-minute pitch (problem, solution, market, costs) and present it to a panel of «investors» (teachers, parents, community leaders).

Hybrid/Remote Adaptation (Video Pitch): Students collaborate on their Lean Canvas (Google Slides) and prototype (Figma). They record their 3-minute pitch and upload it. Investors« leave comments.

Figma, Canva, Google Slides, budget calculators.

Formative Evaluation

Lean Canvas completed (rubric).
MVP prototype quality.
Pitch rubric (clarity, persuasiveness, feasibility).

Integration of Ethical Values

Social Impact: Measure success not only in profit, but in «impact» (social or environmental).
Resilience: Accept feedback (even a «I'm not in») as an opportunity to iterate and improve.

STEM Disciplines and Skills

Science: Physics (laws of thermodynamics - concepts), heat transfer (conduction, convection, radiation).
Technology: Infrared thermometers, nuclear energy research (fission/fusion).
Engineering: Design of thermal insulation systems, construction of a calorimeter.
Mathematics: Calculation of temperature change (Delta T), measurement of calories (energy).

Critical Thinking: Why is nuclear energy so powerful but so controversial? Is «cold» a thing (absence of heat)?.
Collaboration: Debate on the future of the energy matrix.

Hands-on activities

Thermal Container Challenge: In groups, use limited materials (e.g., cups, cotton, aluminum foil) to design a container that will keep an ice cube from melting for as long as possible.
Calorimeter of a Peanut: (With supervision). Burn a peanut (or other snack) under a test tube with water to measure the temperature change and calculate the energy (calories) it contains.
Energy Debate: Fission vs. Fusion vs. renewables: Investigate the pros and cons of nuclear energy (fission), the promise of fusion and renewable energy (solar/wind) as a climate solution.

Hybrid/Remote Adaptation (Thermal Container): Home Challenge. Students design, build and record (with photos and a time table) how long their ice bucket lasted.

Heat transfer simulators (Phet), «how nuclear power works» videos.

Formative Evaluation

Data table and graph of thermal container performance.
Calorimeter laboratory calculations.
Rubric for participation in the energy debate.

Integration of Ethical Values

Long-Term Thinking: Discuss the nuclear waste problem (hundreds of thousands of years).
Global Responsibility: Energy use and climate change are global issues.

STEM Disciplines and Skills

Science: Chemistry (chromatography, pH), biology (fingerprints, fiber analysis).
Technology: Microscopes (digital or simple), handwriting analysis.
Engineering: Research process (evidence collection, analysis, conclusion).
Mathematics: Measurement (footprint size, distance), angles (fake «blood» spatter).

Critical Thinking: Does the evidence prove guilt or just presence (Correlation vs. Causation).
Creativity: Create a «mystery» for another team to solve.

Hands-on activities

Ink Analysis (Chromatography): Use strips of filter paper and alcohol/water to separate inks from different pens (e.g. a «ransom note»).
Fingerprint Laboratory: Learn to identify the 3 types of patterns (loop, arc, spiral). Lifting fingerprints from a glass using talcum powder or graphite powder and tape.
Mystery of the Soil: Analyze 3 «soil» samples (from different locations on campus) under the microscope and by pH to determine which matches the «evidence» found.

Hybrid/Remote Adaptation (Chromatography): It can be easily done at home with coffee filters and markers. Students post a photo of their results.

Forensic analysis videos, fingerprint databases (examples).

Formative Evaluation

Forensic laboratory report (presenting all evidence).
Correct fingerprint identification.
Final conclusion of the «mystery» based on evidence.

Integration of Ethical Values

Integrity and Accuracy: The importance of accurate and unbiased evidence analysis.
Justice: Discuss how forensic science can convict the guilty and exonerate the innocent.

STEM Disciplines and Skills

Science: Data science (patterns, classification), neural networks (simple concept).
Technology: Machine Learning (Google's Teachable Machine), flow charts.
Engineering: «Engineering» of a dataset (data curation).
Mathematics: Logic (if-then-then-if-not statements), probability.

Digital Literacy: Understand that algorithms are created by humans and may have biases.
Critical Thinking: Why did my AI get it wrong, was my training data biased?

Hands-on activities

«Be the Algorithm» (Unplugged): Create a flowchart (algorithm) for a simple decision (e.g. «What should I wear today?»).
Train your own AI: Use Google's «Teachable Machine» (web) to train a model to recognize gestures (rock, paper, scissors) or classify drawings (cat vs. dog).
Detecting Bias: Test the AI model - does it fail with certain types of drawings? Discuss how a training data set (e.g. only large dogs) can create a biased model.

Hybrid/Remote Adaptation (Teachable Machine): Perfect activity for remote. Students train their own models at home and share the link to their functional model.

Google's Teachable Machine (web), Google Drawings (flow charts).

Formative Evaluation

Functional flowchart (algorithm).
Teachable Machine model (does it work?).
Thoughtful writing: What is algorithmic bias and why is it dangerous?

Integration of Ethical Values

Equity and Justice: Discuss the impact of AI bias in criminal justice, contracting or lending.
Transparency: The need to understand how algorithms make decisions about us.

STEM Disciplines and Skills

Science: Materials science, life cycle analysis (LCA).
Technology: Research (materials impact), 3D design (Tinkercad).
Engineering: Design for Disassembly, systems engineering (circular economy).
Mathematics: Calculation of waste (percentage), cost analysis (life cycle cost).

Creativity: How can this «waste» become a «resource»?
Critical (Systemic) Thinking: Contrast the linear model (take-make-dispose) with the circular model (reduce-reuse-recycle-redesign).

Hands-on activities

«Autopsy» of a Product: (safely). Disassemble a simple electronic product (e.g., an old mouse, a battery-operated toy). Sort its components (plastic, metal, circuits).
Life Cycle Analysis (Linear): Map the product life cycle (cradle to grave): Where did the materials come from? Where does it end?
Circular Redesign: Redesign the product for the circular economy. Could it be modular? Easy to repair? Made of compostable materials? Present the redesign.

Hybrid/Remote Adaptation (Circular Redesign): Students choose a product at home. They do the «autopsy» (with permission) and create a Google Slides presentation showing the life cycle analysis and redesign.

Ellen MacArthur Foundation (web), Tinkercad, Google Slides.

Formative Evaluation

Visual map of the life cycle analysis.
Presentation of the circular redesign (innovation rubric).
Autopsy« report (bill of materials).

Integration of Ethical Values

Sustainability: Understand that the concept of «garbage» is a human invention; it does not exist in nature.
Producer Responsibility: Discuss whether companies should be responsible for the end of life of their products.

STEM Disciplines and Skills

Science: Data collection (surveys, observation), qualitative and quantitative data analysis.
Technology: Mapping (Google My Maps), prototyping (Figma, Tinkercad).
Engineering: Design Thinking« process (Empathize, Define, Ideate, Prototype, Test).
Mathematics: Statistical analysis of surveys, project budgets.

Collaboration: Long-term teamwork (6-8 weeks) for a complex project.
Critical (Systemic) Thinking: Address a real community problem (e.g., traffic, trash, park access) from multiple angles.

Hands-on activities

Phase 1: Empathize and Define: Go out into the campus/community (or use Google Maps) and identify a real problem. Interview stakeholders (e.g., other students, staff). Clearly define the problem.
Phase 2: Ideate and Prototype: Brainstorm 20 solutions. Choose one and create a low-fidelity prototype (e.g., a drawing, a cardboard model, an app wireframe).
Phase 3: Test and Present: Test the prototype with real users. Collect feedback, iterate and present the final solution to a panel (e.g. principal, student council).

Hybrid/Remote Adaptation (Community Project): Students focus on a problem in *their* local community or in the *online* school community. They use Google Forms for surveys and Figma for collaborative prototyping.

Google Forms, Google My Maps, Figma, Tinkercad.

Formative Evaluation

Design Thinking portfolio (documenting each phase).
Final prototype quality and feedback-based iteration.
Final presentation of the project (rubric).

Integration of Ethical Values

Radical Empathy: Design Thinking starts with empathy, not with the solution.
Civic Agency: Understand that they have the power and tools to change their own community.
Collaboration: Recognize that complex problems require collaborative solutions.