Students learn about coordinate systems in general by considering questions concerning what …
Students learn about coordinate systems in general by considering questions concerning what it is that the systems are expected do, and who decided how they look. They attempt to make their own coordinate systems using a common area across all groups and compete to see who can make the best one. Then they analyze why it is that some systems work better than others and consider what those observations mean for evaluating and choosing geographic coordinate systems commonly available today.
Students use DNA profiling to determine who robbed a bank. After they …
Students use DNA profiling to determine who robbed a bank. After they learn how the FBI's Combined DNA Index System (CODIS) is used to match crime scene DNA with tissue sample DNA, students use CODIS principles and sample DNA fragments to determine which of three suspects matches evidence obtain at a crime location. They communicate their results as if they were biomedical engineers reporting to a police crime scene investigation.
In this activity, students will list the advantages and disadvantages of the …
In this activity, students will list the advantages and disadvantages of the Daedalus over a small aircraft. This resource, "Why Invent That Activity" is included in Lesson 1 Thrust which is a part of Unit 09 Aircraft Forces - Thrust included in ASA - Course 1 of the Aerospace & Mechanical Engineering subject area.
Students are challenged to design and build wind chimes using their knowledge …
Students are challenged to design and build wind chimes using their knowledge of physics and sound waves, and under given constraints such as weight, cost and number of musical notes it must generate. They make mathematical computations to determine the pipe lengths.
Global wind patterns are dictated by the movement of the Earth on …
Global wind patterns are dictated by the movement of the Earth on its axis and are significant factors in determining the climate for regions of the planet. Students learn how the Coriolis effect and Hadley convection cells determine the location of deserts on Earth. They manipulate inflated plastic globes to discover how the Coriolis effect drives wind clockwise in the Northern Hemisphere and counterclockwise in the Southern Hemisphere. Then they incorporate latitudinal differences onto this modeling exercise to understand why deserts form at 30 degrees north and south of the equator. Once students understand the importance of global winds, they discuss hydropower in the desert. They compare and contrast two case studies: China’s Three Gorges Dam, and Chile’s proposed plant in the Atacama Desert that would creatively use solar power to move seawater up to the top of a mountain so that it can flow back down and generate power. Students note the economic, environmental, cultural and social impacts, issues and benefits of both power plants. Then they reflect, write, debate and discuss their ideas and opinions using evidence from the case studies and their own research.
Through this activity, Bernoulli's principle as it relates to winged flight is …
Through this activity, Bernoulli's principle as it relates to winged flight is demonstrated. Student pairs use computers and an online virtual wind tunnel to see the influence of camber and airfoil angle of attack on lift. Activity and math worksheets are provided.
This resource, "Wing Area Worksheet- student" is included in Lesson 2 Theories …
This resource, "Wing Area Worksheet- student" is included in Lesson 2 Theories and Factors Affecting Lift which is a part of Unit 08 Aircraft Forces - Lift and Weight included in ASA - Course 1 of the Aerospace & Mechanical Engineering subject area.
From remote-controlled cars, to sensors relaying agricultural data from a field to …
From remote-controlled cars, to sensors relaying agricultural data from a field to farmhouses miles away, wireless communication enables users to “cut the cord” for their projects. For this maker challenge, students apply what they learned about serial communication during the previous Arduino maker challenge (Make and Control a Servo Arm with Your Computer) and learn how to send signals from one system to another using XBee radio communication modules. By activity end, expect students to be able to control LEDs and motors wirelessly using Arduino microcontrollers and XBee shields. This is a great activity for students to explore and come to understand the concept of the Internet of things.
Students learn how common pop culture references (Harry Potter books) can relate …
Students learn how common pop culture references (Harry Potter books) can relate to chemistry. While making and demonstrating their own low-intensity sparklers (muggle-versions of magic wands), students learn and come to appreciate the chemistry involved (reaction rates, Gibb's free energy, process chemistry and metallurgy). The fun part is that all wands are personalized and depend on how well students conduct the lab. Students end the activity with a class duel a face-off between wands of two different chemical compositions. This lab serves as a fun, engaging review for stoichiometry, thermodynamics, redox and kinetics, as well as advanced placement course review.
In this experiment, students demonstrate the process of work hardening in a …
In this experiment, students demonstrate the process of work hardening in a copper and explain the effects of work hardening in metals. This resource, "Work Hardening and Annealing of Copper Activity" is included in Lesson 3 Material Processing and Failure which is a part of Unit 03 Intro to Materials included in ASA - Course 2 of the Aerospace & Mechanical Engineering subject area.
Investigating a waterwheel illustrates to students the physical properties of energy. They …
Investigating a waterwheel illustrates to students the physical properties of energy. They learn that the concept of work, force acting over a distance, differs from power, which is defined as force acting over a distance over some period of time. Students create a model waterwheel and use it to calculate the amount of power produced and work done.
Students experience civil and environmental engineering by planning a housing development in …
Students experience civil and environmental engineering by planning a housing development in an existing biome, while also protecting the native species that live there. They conduct research, draw plans, make brochures and give presentations, with each team having a member serving as a project manager, civil engineer, environmental engineer and graphic designer. The best designs creatively balance the needs and resources necessary to support both the native species and human infrastructure.
This activity focuses on getting students to think about bacteria, water quality …
This activity focuses on getting students to think about bacteria, water quality and water treatment processes. Students develop and test their hypotheses about the "cleanliness" of three water samples prepared by the teacher. Then they grow bacteria in Petri dishes from the water samples. They learn how private septic systems and community sewage and wastewater treatment plants work, the consequences to the surrounding environment and wildlife from human wastewater, and what measurements of the released "clean" water are monitored to minimize harm to receiving rivers and lakes.
Reproducibility is unquestionably at the heart of science. Scientists face numerous challenges …
Reproducibility is unquestionably at the heart of science. Scientists face numerous challenges in this context, not least the lack of concepts, tools, and workflows for reproducible research in today's curricula.This short course introduces established and powerful tools that enable reproducibility of computational geoscientific research, statistical analyses, and visualisation of results using R (http://www.r-project.org/) in two lessons:1. Reproducible Research with R MarkdownOpen Data, Open Source, Open Reviews and Open Science are important aspects of science today. In the first lesson, basic motivations and concepts for reproducible research touching on these topics are briefly introduced. During a hands-on session the course participants write R Markdown (http://rmarkdown.rstudio.com/) documents, which include text and code and can be compiled to static documents (e.g. HTML, PDF).R Markdown is equally well suited for day-to-day digital notebooks as it is for scientific publications when using publisher templates.2. GitLab and DockerIn the second lesson, the R Markdown files are published and enriched on an online collaboration platform. Participants learn how to save and version documents using GitLab (http://gitlab.com/) and compile them using Docker containers (https://docker.com/). These containers capture the full computational environment and can be transported, executed, examined, shared and archived. Furthermore, GitLab's collaboration features are explored as an environment for Open Science.Prerequisites: Participants should install required software (R, RStudio, a current browser) and register on GitLab (https://gitlab.com) before the course.This short course is especially relevant for early career scientists (ECS).Participants are welcome to bring their own data and R scripts to work with during the course.All material by the conveners will be shared publicly via OSF (https://osf.io/qd9nf/).
Students set up a simple way to indirectly observe and quantify the …
Students set up a simple way to indirectly observe and quantify the amount of respiration occurring in yeast-molasses cultures. Each student adds a small amount of baking yeast to a test tube filled with diluted molasses. A second, smaller test tube is then placed upside-down inside the solution. As the yeast cells respire, the carbon dioxide they produce is trapped inside the inverted test tube, producing a growing bubble of gas that is easily observed and measured. Students are presented with the procedure for designing an effective experiment; they learn to think critically about experimental results and indirect observations of experimental events.
Students are introduced to the role of electricity and magnetism as they …
Students are introduced to the role of electricity and magnetism as they build speakers. They also explore the properties of magnets, create electromagnets, and determine the directions of magnetic fields. They conduct a scientific experiment and show cause-effect relationships by monitoring changes in the speaker's movement as the amount or the direction of the current change.
Yoruba Y Mi is an interactive, communicative, introductory, multimedia program intended to …
Yoruba Y Mi is an interactive, communicative, introductory, multimedia program intended to provide college/university students with basic listening, speaking, reading, and writing skills of language learning in Yoruba. It exposes the learner not only to Yoruba language in meaningful situations but also to the culture of the Yorb-speaking people of South-western Nigeria. It contains effective techniques for teaching and learning Yorb including tones, and is user-friendly in its approach.
In addition to the associated lesson, this activity functions as a summative …
In addition to the associated lesson, this activity functions as a summative assessment for the Using Stress and Strain to Detect Cancer unit. In this activity, students will create a 1-D strain plot in Microsoft Excel depicting the location of a breast tumor amidst healthy tissue. The results of this activity will function as proof of the accuracy and reliability of the students' breast cancer detection design.
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