While building and testing model rockets fueled by antacid tablets, students are …
While building and testing model rockets fueled by antacid tablets, students are introduced to the basic physics concepts on how rockets work. Students revise and improve their initial designs. Note: This activity is similar to the elementary-level film canister rockets activity, but adapted for middle school students.
Acting as if they are biomedical engineers, students design and print 3D …
Acting as if they are biomedical engineers, students design and print 3D prototypes of pressure sensors that measure the pressure of the eyes of people diagnosed with glaucoma. After completing the tasks within the associated lesson, students conduct research on pressure gauges, apply their understanding of radio-frequency identification (RFID) technology and its components, iterate their designs to make improvements, and use 3D software to design and print 3D prototypes. After successful 3D printing, teams present their models to their peers. If a 3D printer is not available, use alternate fabrication materials such as modeling clay, or end the activity once the designs are complete.
Without air, balloons and birds and airplanes couldn't fly. But since you …
Without air, balloons and birds and airplanes couldn't fly. But since you can't taste, see, or often even feel air, how can you prove it's really there?
This resource is a video abstract of a research paper created by …
This resource is a video abstract of a research paper created by Research Square on behalf of its authors. It provides a synopsis that's easy to understand, and can be used to introduce the topics it covers to students, researchers, and the general public. The video's transcript is also provided in full, with a portion provided below for preview:
"The ketogenic diet may be one of the hottest trends in weight management, but doctors have long known of its potential to reduce seizures in those with epilepsy. In a new article in Physiological Reports, scientists suggest that strict adherence to the diet may not be needed to achieve this neuroprotective effect. Through a series of experiments in rats, they show that supplementing a normal, carbohydrate-rich diet with specific ketogenic agents may significantly delay seizures. The team specifically focused on tonic-clonic seizures caused by exposure to high levels of oxygen. This central nervous system oxygen toxicity is a complication that can arise following hyperbaric oxygen therapy, which involves inhaling pure oxygen in a pressurized or hyperbaric chamber. This kind of treatment is used to manage various medical conditions, including air/gas embolism, decompression sickness, carbon monoxide poisoning and diabetic wounds..."
The rest of the transcript, along with a link to the research itself, is available on the resource itself.
Students are introduced to the structure, function and purpose of locks and …
Students are introduced to the structure, function and purpose of locks and dams, which involves an introduction to Pascal's law, water pressure and gravity.
Students learn the components of the rock cycle and how rocks can …
Students learn the components of the rock cycle and how rocks can change over time under the influence of weathering, erosion, pressure and heat. They learn about geotechnical engineering and the role these engineers play in the development of an area of land, the design and placement of new structures, and detection of natural disasters.
Students revisit Bernoulli's Principle (Lesson 1 of the Airplanes unit) and learn …
Students revisit Bernoulli's Principle (Lesson 1 of the Airplanes unit) and learn how engineers use this principle to design airplane wings. Airplane wings create lift by changing the pressure of the air around it. This is the first of four lessons exploring the four key forces in flight: lift, weight, thrust and drag.
Students learn first-hand the relationship between force, area and pressure. They use …
Students learn first-hand the relationship between force, area and pressure. They use a force sensor built from a LEGO® MINDSTORMS® NXT kit to measure the force required to break through a paper napkin. An interchangeable top at the end of the force sensor enables testing of different-sized areas upon which to apply pressure. Measuring the force, and knowing the area, students compute the pressure. This leads to a concluding discussion on how these concepts are found and used in engineering and nature.
This course provides an introduction to the mechanics of solids with applications …
This course provides an introduction to the mechanics of solids with applications to science and engineering. We emphasize the three essential features of all mechanics analyses, namely: (a) the geometry of the motion and/or deformation of the structure, and conditions of geometric fit, (b) the forces on and within structures and assemblages; and (c) the physical aspects of the structural system (including material properties) which quantify relations between the forces and motions/deformation.
In this two-part activity, learners use everyday materials to visualize one mole …
In this two-part activity, learners use everyday materials to visualize one mole of gas or 22.4 liters of gas. The first activity involves sublimating dry ice in large garbage bag. The second activity uses plastic bottles.
In this activity, timed to coincide with National Coming Out Day on …
In this activity, timed to coincide with National Coming Out Day on October 11, students learn about what it means to "pass" (as white, as straight, as Christian...) and consider what the pressure to "pass" costs individuals and society. The activity is structured as a circle, but can be adapted for use in a conventional classroom.
From drinking fountains at playgrounds, water systems in homes, and working bathrooms …
From drinking fountains at playgrounds, water systems in homes, and working bathrooms at schools to hydraulic bridges and levee systems, fluid mechanics are an essential part of daily life. Fluid mechanics, the study of how forces are applied to fluids, is outlined in this unit as a sequence of two lessons and three corresponding activities. The first lesson provides a basic introduction to Pascal's law, Archimedes' principle and Bernoulli's principle and presents fundamental definitions, equations and problems to solve with students, as well as engineering applications. The second lesson provides a basic introduction to above-ground storage tanks, their pervasive use in the Houston Ship Channel, and different types of storage tank failure in major storms and hurricanes. The unit concludes with students applying what they have learned to determine the stability of individual above-ground storage tanks given specific storm conditions so they can analyze their stability in changing storm conditions, followed by a project to design their own storage tanks to address the issues of uplift, displacement and buckling in storm conditions.
Students design and build paper rockets around film canisters, which serve as …
Students design and build paper rockets around film canisters, which serve as engines. An antacid tablet and water are put into each canister, reacting to form carbon dioxide gas, and acting as the pop rocket's propellant. With the lid snapped on, the continuous creation of gas causes pressure to build up until the lid pops off, sending the rocket into the air. The pop rockets demonstrate Newton's third law of motion: for every action, there is an equal and opposite reaction.
Working in teams, students learn the basics of fluid power design using …
Working in teams, students learn the basics of fluid power design using the PFPD as their investigative platform. They investigate the similarities and differences between using pneumatic and hydraulic power in the PFPD. With the main components of the PFPD already assembled, student groups determine the correct way to connect the valves to the actuators using colored, plastic tubing. Once connected, they compete in timed challenges to test their abilities to separate material out of containers using the PFPDs. NOTE: No special pre-requisite knowledge is required for students to be successful in this activity.
This course introduces theoretical and practical principles of design of oceanographic sensor …
This course introduces theoretical and practical principles of design of oceanographic sensor systems. Topics include: transducer characteristics for acoustic, current, temperature, pressure, electric, magnetic, gravity, salinity, velocity, heat flow, and optical devices; limitations on these devices imposed by ocean environments; signal conditioning and recording; noise, sensitivity, and sampling limitations; and standards. Lectures by experts cover the principles of state-of-the-art systems being used in physical oceanography, geophysics, submersibles, acoustics. For lab work, day cruises in local waters allow students to prepare, deploy and analyze observations from standard oceanographic instruments.
This is an engineering laboratory subject for mechanical engineering juniors and seniors. …
This is an engineering laboratory subject for mechanical engineering juniors and seniors. Major emphasis is on interplay between analytical and experimental methods in solution of research and development problems. Communication (written and oral) of results is also a strong component of the course. Groups of two or three students work together on three projects during the term.
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