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preview of 'Computer Simulation of an Artificial Neural Network ' Activity

Computer Simulation of an Artificial Neural Network High School Activity

Published on April 1, 2020

Using the Netlogo platform to run simulations of a basic neural network called the perceptron, students explore a basic, yet powerful, model of machine learning as they are challenged to understand the logic. Students engage in the perceptron model and discover a weakness of the model. The students then move on to run simulations on Netlogo with the multi-layer perceptron which overcomes the weakness in the original perceptron model.

preview of 'How Does Machine Learning Work? ' Lesson

How Does Machine Learning Work? High School Lesson

Published on April 1, 2020

Dive into the rapidly emerging world of machine learning, where students come to understand the first attempts at developing the perceptron model—a simplified model of a biological neuron. Students also learn about the logic of the perceptron model and its limitations, which led to the development of multi-layer networks.

preview of 'Constructing and Testing a 3D Printed Glove with Strain Sensors' Activity

Constructing and Testing a 3D Printed Glove with Strain Sensors High School Activity

Published on February 29, 2020

In this activity, students apply their newfound knowledge of 3D printing and strain sensors and use it to create their own prototype. Students investigate how to integrate 3D printed strain sensors into a glove and analyze how the sensors work in relation to the feedback that they provide. Students also learn how to measure electrical resistance using a multimeter and apply their knowledge of data analysis track the effectiveness of their prototype.

preview of '3D Printed Strain Sensors' Lesson

3D Printed Strain Sensors High School Lesson

Published on February 29, 2020

3D printed sensors are a novel design that can be customized in wearable technology. In this lesson, students are introduced to the concepts of electrical resistance and how it relates to sensors. They also learn about how 3D printing works when it comes to building sensors, including what are they, how do they work, and how can they be useful to us in measuring and taking data on a variety of concepts.

preview of 'Acting Like an Algorithm' Activity

Acting Like an Algorithm Elementary School Activity

Published on February 28, 2020

This activity allows students to gain a better understanding for how algorithms work. Students engage in an activity which symbolizes the Google PageRank algorithm. Students divide into groups and follow specific steps, in the form of a ball game, in order to match the results of the Google PageRank algorithm. They also gain a general understanding for the functionality of networking on the internet. Students visualize the fundamental importance of algorithms, which can make calculations fast and easy.

preview of 'Algorithms and Everyday Life ' Lesson

Algorithms and Everyday Life Elementary School Lesson

Published on February 28, 2020

Algorithms are one of the foundations of our technological world, and are driven by the scientists and engineers behind the scenes that write all of these different algorithms. This lesson is intended to get students interested in the inner workings of algorithms and the capabilities associated with them. We start by engaging students with very simple examples of algorithms which they can associate with. We then discuss Google’s PageRank algorithm for ranking the importance of websites based on the other websites that link to them, and play a fun game that can be used to find the same results as the PageRank algorithm.

preview of 'Liquid Crystal Thermometers' Activity

Liquid Crystal Thermometers Elementary School Activity

Published on February 26, 2020

Students become engineers as they create thermometers that can be used to monitor temperatures in reptile terrariums. By using liquid crystals, students learn about the characteristics of materials and wavelengths of light emissions. Students then apply this knowledge to make a liquid crystal thermometer and test it at various temperatures. Students then iterate their thermometer designs by using different mixtures of the liquid crystal formula to optimize the temperature range for their project’s environmental needs.

preview of 'Preventing the Zombie Apocalypse- Making Gene Therapy Safe! ' Activity

Preventing the Zombie Apocalypse- Making Gene Therapy Safe! High School Activity

Published on January 31, 2020

Students become biomedical engineers and create model viruses for use in therapeutic applications, such as gene therapy. In constructing their models, students carefully plan for side effects and modify a virus that can be used to safely to deliver gene therapy. This process involves taking a “wild type” (or unmodified) virus so it can target a specific area of the body.

preview of 'Radiation Pressure: The Feel of Photons' Activity

Radiation Pressure: The Feel of Photons High School Activity

Published on January 30, 2020

Students take an illuminance reading of a light, find a way to approximate it at as an intensity reading, and then calculate the photon flux and radiation pressure while assessing the precision of these values. The ideas are then applied to speculate about engineering challenges involved in using ground-based lasers to propel interstellar spacecraft. In the process students must work through challenging problem solving and analyze the confidence in their results. There is also emphasis on comparing and contrasting the scientific method to the engineering design process.

preview of 'Let’s Get Cracking!' Activity

Let’s Get Cracking! High School Activity

Published on December 31, 2019

In this activity, students become biomedical and material engineers as they analyze material characteristics, composite characteristics and properties of a chicken bone under force. To understand these material characteristics, students perform a battery of tests at various “stations” around the classroom that evaluate the strengths and weaknesses of a product based on the material characteristics of its component materials.

preview of 'Design a Better Bandage' Maker Challenge

Design a Better Bandage Elementary School Maker Challenge

Published on December 16, 2019

In this maker challenge, students follow the engineering design process and use water-absorbing crystals to create a bandage that can be used in a traumatic situation, like a car accident or hiking accident. Students first observe how water-absorbing crystals work and then consider how their function could be applied in a medical setting. Later, students design a new bandage while following a budget as well as some constraints. In conclusion, students discuss whether or not their design would be effective in the real world.

preview of 'Inundation Inspiration' Maker Challenge

Inundation Inspiration Elementary School Maker Challenge

Published on December 16, 2019

Students employ the engineering design process to create a device that uses water-absorbing crystals for use during a flood or storm surge. Students first spend time making notes on a teacher-led observation of how water-absorbing crystals. Later, they use (or build) a toy house, follow the engineering design process to build their device, and subject the house to tests that mimic a heavy flood or rising tides. After testing, students can iterate on their designs or reflect on what they learned.

preview of 'Stop Freewheeling Using Friction! ' Maker Challenge

Stop Freewheeling Using Friction! Elementary School Maker Challenge

Published on December 12, 2019

In this maker challenge, students use the engineering design process to design a covering for a portable wheelchair ramp for their school. The design must be easy to use, and allows people to move up the ramp easily and go down slowly. Students have a $20 budget to use for materials. Students conduct research on different materials to use that reduce or increase friction, evaluate proposed solutions that best meets the above requirements, build and test prototypes, revise and improve their designs, and report their findings to the rest of the class.

preview of 'Silkworm Strength! ' Maker Challenge

Silkworm Strength! Elementary School Maker Challenge

Published on December 12, 2019

In this maker challenge, students use the engineering design process to design a bridge out of silkworm cocoons that can hold at least 50 grams. Students can use other materials to supplement the silk bridge, but have a $10 budget. Students evaluate proposed solutions that best meets the above requirements, build and test prototypes, revise and improve their designs, and report their findings to the rest of the class.

preview of 'Keeping Damp in a Drought ' Maker Challenge

Keeping Damp in a Drought Elementary School Maker Challenge

Published on December 11, 2019

In this maker challenge, students design a way for mint plants to keep a constant moisture level for 72 hours. The mint plants must be kept moist since they are young and just starting to establish growth. Before students receive the mint plants, they must prove that they can keep the moisture level constant. Students employ the engineering design process and conduct research on different materials used to hold in moisture, evaluate proposed solutions, build and test prototypes, revise and improve their designs, and report their findings to the rest of the class.

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