Students learn about gear ratios and power by operating toy mechanical cranes …
Students learn about gear ratios and power by operating toy mechanical cranes of differing gear ratios. They attempt to pick up objects with various masses to witness how much power must be applied to the system to oppose the force of gravity. They learn about the concept of gear ratio and practice calculating gear ratios on worksheets, discovering that smaller gear ratios are best for picking objects up quickly, and larger gear ratios make it easier to lift heavy objects.
Students use a small quantity of modeling clay to make boats that …
Students use a small quantity of modeling clay to make boats that float in a tub of water. The object is to build boats that hold as much weight as possible without sinking. In the process of designing and testing their prototype creations, students discover some of the basic principles of boat design, gain first-hand experience with concepts such as buoyancy and density, and experience the steps of the engineering design process.
Hydropower generation is introduced to students as a common purpose and benefit …
Hydropower generation is introduced to students as a common purpose and benefit of constructing dams. Through an introduction to kinetic and potential energy, students come to understand how a dam creates electricity. They also learn the difference between renewable and non-renewable energy.
Students are challenged to design a method for separating steel from aluminum …
Students are challenged to design a method for separating steel from aluminum based on magnetic properties as is frequently done in recycling operations. To complicate the challenge, the magnet used to separate the steel must be able to be switched off to allow for the recollection of the steel. Students must ultimately design, test, and present an effective electromagnet.
Students observe and discuss a simple balloon model of an electrostatic precipitator …
Students observe and discuss a simple balloon model of an electrostatic precipitator to better understand how this pollutant recovery method functions in cleaning industrial air pollution.
Students investigate decomposers and the role of decomposers in maintaining the flow …
Students investigate decomposers and the role of decomposers in maintaining the flow of nutrients in an environment. Students also learn how engineers use decomposers to help clean up wastes in a process known as bioremediation. This lesson concludes a series of six lessons in which students use their growing understanding of various environments and the engineering design process, to design and create their own model biodome ecosystems.
Engineers design methods of removing particulate matter from industrial sources to minimize …
Engineers design methods of removing particulate matter from industrial sources to minimize negative effects of air pollution. In this activity, students will undertake a similar engineering challenge as they design and build a filter to remove pepper from an air stream without blocking more than 50% of the air.
Posed with a paradigmatic engineering problem, students consider and explore mathematical algorithms …
Posed with a paradigmatic engineering problem, students consider and explore mathematical algorithms and/or geometric concepts to devise possible solutions. The problem: How should a robotic vacuum move in order to best clean a floor of unknown shape and dimensions? They grapple with what could be a complex problem by brainstorming ideas, presenting the best idea for a solution and analyzing all presented solutions, and then are introduced to an elegant solution. Rather than elaborately calculating the most efficient route and keeping track of which tiles the robot has visited, a random number generator determines which direction the robot will take when it hits a barrier. Students are able to visually confirm how an unfamiliar programming concept (a random number generator) can make for a simple and efficient program that causes an NXT robot (that is suitably equipped) to clean a bare floor. Then students think of other uses for random numbers.
Students learn about a special branch of engineering called bioremediation, which is …
Students learn about a special branch of engineering called bioremediation, which is the use of living organisms to aid in the clean-up of pollutant spills. Students learn all about bioremediation and see examples of its importance. In the associated activity, students conduct an experiment and see bioremediation in action!
Following the steps of the engineering design process and acting as biomedical …
Following the steps of the engineering design process and acting as biomedical engineers, student teams use everyday materials to design and develop devices and approaches to unclog blood vessels. Through this open-ended design project, they learn about the circulatory system, biomedical engineering, and conditions that lead to heart attacks and strokes.
In this lesson, students continue their education on cells in the human …
In this lesson, students continue their education on cells in the human body. They discuss stem cells and how engineers are involved in the research of stem cell behavior. They learn about possible applications of stem cell research and associated technologies, such as fluorescent dyes for tracking the replication of specific cells.
Polymers are a vital part of our everyday lives and nearly all …
Polymers are a vital part of our everyday lives and nearly all consumer products have a plastic component of some variation. Students explore the basic characteristics of polymers through the introduction of two polymer categories: thermoplastics and thermosets. During teacher demos, students observe the unique behaviors of thermoplastics. The fundamentals of thermoset polymers are discussed, preparing them to conduct the associated activity in which they create their own thermoset materials and mechanically test them. At the conclusion of this lesson-activity pair, students understand the basics of thermoplastics and thermosets, which may entice their interest in polymer engineering.
As if they are environmental engineers, student pairs are challenged to use …
As if they are environmental engineers, student pairs are challenged to use Google Earth Pro (free) GIS software to view and examine past data on hurricanes and tornados in order to (hypothetically) advise their state government on how to proceed with its next-year budget—to answer the question: should we reduce funding for natural disaster relief? To do this, students learn about maps, geographic information systems (GIS) and the global positioning system (GPS), and how they are used to deepen the way maps are used to examine and analyze data. Then they put their knowledge to work by using the GIS software to explore historical severe storm (tornado, hurricane) data in depth. Student pairs confer with other teams, conduct Internet research on specific storms and conclude by presenting their recommendations to the class. Students gain practice and perspective on making evidence-based decisions. A slide presentation as well as a student worksheet with instructions and questions are provided.
Students analyze international oil consumption and production data. They make several graphs …
Students analyze international oil consumption and production data. They make several graphs to organize the data and draw conclusions about the overall use of oil in the world.
Students explore the definition of a function by playing an interactive game …
Students explore the definition of a function by playing an interactive game called "Club Function." The goal of the game is to be in the club! With students each assigned to be either a zebra or a rhinoceros, they group themselves according to the "rules" of the club function. After two minutes, students freeze in their groups, and if they are not correctly following the rules of the club function, then they are not allowed into the "club." Through this activity students come to understand that one x-coordinate can only have one corresponding y-coordinate while y-coordinates can have many x-coordinates that correspond to it.
Students will learn the basic constructs of a video game using the …
Students will learn the basic constructs of a video game using the Scratch interface. Students use Scratch to learn about algorithms and event-driven programming. Object-oriented concepts are introduced through the use of sprites and the stage. Students use critical thinking and creativity to complete and enhance Hungry Mouse, a game that they develop using Scratch.
Estimated time required: 2 class periods.
Technology required for this lesson: Design Software, Laptop/Desktop.
In this lesson, students learn how to use computer programming (coding) to …
In this lesson, students learn how to use computer programming (coding) to control the BBC Micro:bit! They will be able to define computer programming and coding, write their first program for the BBC Micro:bit, and watch their ideas come to life.
Estimated time required: 1-2 class periods.
Technology required for this lesson: Code Editor, Electronics Kit, Laptop/Desktop, Tablet.
In this lesson, students learn to how to program different inputs and …
In this lesson, students learn to how to program different inputs and outputs on the Micro:bit. Students will define inputs and outputs by viewing an educational video. Then, they will program inputs and outputs on the Micro:bit, such as buttons, lights, shake sensor, and pins.
Estimated time required: 1-2 class periods.
Technology required for this lesson: Code Editor, Electronics Kit, Laptop/Desktop, Tablet.
In this lesson, students learn how to make two Micro:bits "talk" to …
In this lesson, students learn how to make two Micro:bits "talk" to each other wirelessly by using the radio feature. In addition, they will learn how to use “IF” statements to encrypt information in order to create a wireless communication device for VilBot.
Estimated time required: 1-2 class periods.
Technology required for this lesson: Code Editor, Electronics Kit, Laptop/Desktop, Tablet.
In this lesson, students learn how to design and code a custom …
In this lesson, students learn how to design and code a custom Micro:bit Game by using advanced coding features like if statements, while loops, and variables.
Estimated time required: 1-2 class periods.
Technology required for this lesson: Code Editor, Electronics Kit, Laptop/Desktop, Tablet.
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