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preview of 'Beyond Binary: Building Blocks of Digital Decisions' Activity

Beyond Binary: Building Blocks of Digital Decisions High School Activity

Published on April 1, 2026

Students work as teams of engineers to design solutions to one of six real-world problems by creating functional logic gates. They learn how transistors serve as the fundamental hardware that allows computational logic to produce outcomes based on inputs, and apply this knowledge by building their own gates on notecards using transistors, resistors, copper tape, masking tape, LEDs, and 9V batteries. Students plan and test their designs using truth tables, integrate individual gates into Boolean circuits, and write corresponding Boolean expressions. Along the way, they engineer compact circuit pathways, troubleshoot issues such as short circuits, and explore vertical layering and vias, similar to microchip and PCB design.

preview of 'Make It Clean! Engineering a Multipurpose Cleaning Product' Activity

Make It Clean! Engineering a Multipurpose Cleaning Product Middle School Activity

Published on March 31, 2026

Students take on the roles of product designers, chemists, and problem solvers to create an eco-friendly, nontoxic cleaning product for a community co-op. Students investigate how cleaners work, explore the effectiveness of natural ingredients, and examine the health and environmental impacts of traditional chemical-based products. Working collaboratively in teams, they use the engineering design process to research, design, test, and refine their own cleaning formulations using safe, natural materials. To complete the challenge, students design sustainable packaging and develop branding elements, including a product name, logo, and label, to effectively communicate the benefits and environmental responsibility of their cleaner.

preview of 'Mars Chemistry Coding Challenge' Activity

Mars Chemistry Coding Challenge High School Activity

Published on March 28, 2026

Students use real data from the Perseverance Mars rover to create a system that monitors and tests the functioning of the Mars Oxygen In-Situ Resource Utilization Experiment (MOXIE) instrument, which converts carbon dioxide in the Martian atmosphere into breathable oxygen. Students analyze temperature, pressure, and gas flow data to determine whether MOXIE is operating properly. To do this, they apply chemistry concepts such as balanced chemical equations and gas laws alongside coding and data analysis techniques. Working in small teams, students break the problem into manageable parts, test their code using subsets of real mission data, and refine their solutions. The activity emphasizes engineering design, systems thinking, and the critical role computer science plays in enabling advanced technologies for space exploration.

preview of 'Designing With Light: How Microchips Are Made Using Photolithography' Activity

Designing With Light: How Microchips Are Made Using Photolithography High School Activity

Published on March 27, 2026

Students simulate the photolithography process used in semiconductor manufacturing by using gel nail polish as a UV-sensitive photoresist. They design a simple opaque mask using materials such as construction paper or foil, then place it over the coated disc. Using an overhead UV light, they expose the disc for varying times to simulate under-, proper-, and over-exposure. Uncured gel is removed with acetone, revealing a hardened pattern that mimics how microchips are fabricated. Students analyze the results, compare them to their original mask design, and discuss the effects of exposure time and resolution. This activity connects to NGSS standards in physical science and engineering design by exploring light–matter interactions, energy transfer, and real-world applications in microfabrication.

preview of 'Sweet Surfactants: A Surface Tension Investigation Relating Additives to Surfactant Function' Activity

Sweet Surfactants: A Surface Tension Investigation Relating Additives to Surfactant Function High School Activity

Published on March 25, 2026

Students explore the natural phenomenon of surface tension and learn how it is applied in industry, such as food science, and in medical contexts, including disease progression from vaping-related lung injury. Students design and test candy-coating techniques as a model to investigate how surfactants affect liquid spreading and adhesion. They then connect this model to biology by examining how natural lung surfactants function in respiration and how vaping additives can disrupt alveolar coating efficiency, linking engineering design to real-world health challenges.

preview of 'Polymers, Plastics, and Bioplastics' Activity

Polymers, Plastics, and Bioplastics Middle School Activity

Published on March 7, 2026

Students learn about polymers, plastics, and bioplastics by exploring both natural polymers (e.g., hair, DNA, and cotton) and synthetic polymers found in everyday items (e.g., clothing, toothbrushes, and carpets). They begin by modeling polymer chains from paper clips, starting with simple chains and then modifying their structures to observe how changes affect flexibility, rigidity, and strength. Students also consider the environmental impacts of synthetic plastics, including their persistence in the environment for hundreds of years, and the challenges of recycling, such as high energy costs. They explore how bioplastics (i.e., materials with plastic-like properties that are biodegradable) could offer a more sustainable alternative. Using a guided recipe, students design their first bioplastic piece and then modify the recipe to achieve a different outcome, applying the engineering design process and analyzing how changes in ingredients influence material properties.

preview of 'How Additives Affect Surface Tension' Activity

How Additives Affect Surface Tension High School Activity

Published on February 20, 2026

Students explore the concept of surface tension and how additives such as surfactants can alter it. Students investigate how substances like surfactants change the surface tension of water and relate this to lung function. Students will then connect their observations to real-world concerns, examining how vaping additives may interfere with lung surfactants and potentially impact breathing over time.

preview of 'Rush Hour Mayhem: Engineering Efficient Routes With Logic Gates' Activity

Rush Hour Mayhem: Engineering Efficient Routes With Logic Gates High School Activity

Published on February 20, 2026

Students are introduced to logic gates and problem solving through a real-world scenario in which delivery trucks must be efficiently routed through a congested downtown area. Students adjust gate types (AND, OR, NOT, Buffer, etc.) and inputs (colored delivery trucks) to produce desired outputs and ensure correct deliveries. Students progress from a simple road map to a more complex system as they build and apply their skills. In a final design challenge, students research additional logic gates and create their own optimized map, aiming to design the simplest and most efficient gate system possible.

preview of 'Adding an Ethical Twist to Engineering Designs' Activity

Adding an Ethical Twist to Engineering Designs High School Activity

Published on February 12, 2026

Students are introduced to ethics and engineering ethics through a short, engaging case study that prompts discussion about how engineers should respond to difficult choices. They explore ethical questions and learn about professional codes of ethics. After researching the code of ethics for an engineering discipline of their choice, students analyze case studies based on real engineering experiences. They identify normative claims and evaluate possible actions using ethical frameworks such as virtue ethics, duty ethics, and utilitarianism. Finally, students complete a case study analysis, applying ethical reasoning to situations from the provided cases or from their own independent research.

preview of 'Get a Grip: Engineering a Smart Prosthetic Hand' Activity

Get a Grip: Engineering a Smart Prosthetic Hand High School Activity

Published on February 6, 2026

Students act as engineers as they design, build, and test a smart prosthetic grip system using Arduino, a force-sensitive resistor (FSR), and a servo motor. Students construct a prosthetic finger or hand from materials of their choice and program it to move through different angles of motion, modeling how real-world assistive technologies function. As they test their designs, students collect data to investigate how the angle of the prosthetic joint affects the force applied at the fingertip. They use this data to create and analyze a quadratic model, identify the angle that produces maximum grip force, and interpret key features of the function such as the vertex and intercepts. Using their mathematical analysis, students refine and optimize their prosthetic designs to improve performance.

preview of 'Exploring Light and Health: Designing a Light-Based Diagnostic Device' Activity

Exploring Light and Health: Designing a Light-Based Diagnostic Device Elementary School Activity

Published on February 3, 2026

Students use the engineering design process to build and refine a low-cost, light-based diagnostic prototype that simulates real-world biomedical tools. Students learn how light interacts with matter through spectrometry and explore how photonics technologies are used in point-of-care devices such as pulse oximeters to assess blood flow and cardiovascular health. Using everyday materials to model scattering “blood” samples, students test and compare how light transmission changes, analyzing brightness and clarity rather than precise absorbance.

preview of 'Hands-On Robotics: Precision Pick-and-Place Challenge' Activity

Hands-On Robotics: Precision Pick-and-Place Challenge High School Activity

Published on January 16, 2026

This activity introduces students to the real-world challenges robotic systems face in modern warehouses, where machines must sort thousands of items accurately, safely, and efficiently. Students explore core concepts such as joint motion, coordinate systems, sensing, and basic programming logic to understand how robots move and make decisions. Thinking like robotic engineers, students then work in teams to program the SO-101 robotic arm to complete a pick-and-place challenge, moving objects from a pickup area to specific sorting bins based on color or size.

preview of 'Mission Myelin: Model, Damage, Repair' Activity

Mission Myelin: Model, Damage, Repair Middle School Activity

Published on January 10, 2026

Students explore myelination, demyelination, and remyelination through a hands-on simulation. They design a model of a myelinated nerve by lining a tube with a material that helps a marble travel through quickly and smoothly. After measuring the marble’s speed through this “healthy” tube, students then simulate demyelination by damaging or removing part of the lining and measuring the slower speed. Finally, they attempt to “repair” the tube, test the marble’s speed again, and compare results.

preview of 'Fluid Forces: Powering Bridges with Hydraulic Systems' Activity

Fluid Forces: Powering Bridges with Hydraulic Systems Middle School Activity

Published on January 9, 2026

Students explore the science and engineering behind hydraulic bridges. They begin by considering how bridges lift to allow large ships to pass and learn that hydraulic systems use pressurized fluids to generate controlled, powerful motion. Through hands-on exploration with syringes filled with air, water, and viscous substances, students observe how different fluids transfer force and how viscosity affects movement. These investigations reinforce key physics concepts, including balanced and unbalanced forces, fluid behavior, and Newton’s First Law of Inertia. Students then apply this knowledge by designing and constructing a model hydraulic bridge using syringes, tubing, and craft materials. During the design process, they evaluate stability, force transfer, and structural support while troubleshooting and refining their ideas.

preview of 'Utilizing Polymers in a Biome to Optimally Design a Robot' Activity

Utilizing Polymers in a Biome to Optimally Design a Robot Middle School Activity

Published on January 6, 2026

This activity integrates life science, engineering, and materials science as students design a biome-specific robot. Students start by researching an assigned global biome, exploring its unique characteristics such as climate, terrain, and biodiversity. This research helps them understand the environmental challenges their robots will face. Next, they delve into the world of high-performance polymers, learning about their properties, uses, and applications. Using this knowledge and applying engineering design principles, students strategically select polymers to build a robot that can function effectively within their chosen biome's unique conditions.

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