In this engineering unit, students are developing background knowledge on heat, heat …
In this engineering unit, students are developing background knowledge on heat, heat transfer and conservation. While this unit can be a stand-alone exercise, it has been designed to provide a way for students to gather data and derive evidence-based conclusions to help them choose the best materials to use in a science class solar cooker project. Students build cardboard houses to explore the movement and conservation of heat energy. A heat source is placed inside the house and students use vernier temperature probes and graphing software to gather and tabulate temperature data. Each house is standard, so that the students understand that we are all gathering data in a consistent way. Students must calculate percentage of wall space given to doors and windows. Students will compare data from team to team, examining heat loss as recorded by temperature differences as a function of window and door areas. Students will cover doors and windows with various materials, examining different insulating qualities. Students will examine the effect on temperature of different colors of wall surface on the interior of the house. After gathering data, students will work to draw conclusions from the gathering of data. Students will construct charts and tables to tabulate data by hand, then will transfer data to Excel spreadsheets if technology is available.
Students learn about glaucoma its causes, how it affects individuals and how …
Students learn about glaucoma its causes, how it affects individuals and how biomedical engineers can identify factors that trigger or cause this eye disease, specifically the increase of pressure in the eye. Students also learn how RFID technologies transfer energy through waves and how engineers apply their scientific understanding of waves, energy and sensors to develop devices that measure the pressure in the eyes of people with glaucoma. Students conclude by sketching their own designs for a pressure-measuring eye device, preparing them to conduct the associated activity in which they revise, prototype and evaluate their device designs made tangible with a 3D printer.
In this lesson, students begin to focus on the torque associated with …
In this lesson, students begin to focus on the torque associated with a current carrying loop in a magnetic field. Students are prompted with example problems and use diagrams to visualize the vector product. In addition, students learn to calculate the energy of this loop in the magnetic field. Several example problems are included and completed as a class. A homework assignment is also attached as a means of student assessment.
Students are introduced to the engineering design process, focusing on the concept …
Students are introduced to the engineering design process, focusing on the concept of brainstorming design alternatives. They learn that engineering is about designing creative ways to improve existing artifacts, technologies or processes, or developing new inventions that benefit society. Students come to realize that they can be engineers and use the design process themselves to create tomorrow's innovations.
Students reflect on their experiences making silly putty (the previous hands-on activity …
Students reflect on their experiences making silly putty (the previous hands-on activity in the unit), especially why changing the borax concentration alters the mechanical properties of silly putty and how this pertains to tissue mechanics. Students learn why engineers must understand tissue mechanics in order to design devices that will be implanted or used inside bodies, to study pathologies of tissues and how this alters tissue function, and to design prosthetics. Finally, students learn about collagen, elastin and proteoglycans and their roles in giving body tissues their unique functions. This prepares them for the culminating design-build-test activity of the unit.
This is the last of five sound lessons, and it introduces acoustics …
This is the last of five sound lessons, and it introduces acoustics as the science of studying and controlling sound. Students learn how different materials reflect and absorb sound.
Siuslaw Elementary students designed, engineered and constructed functioning ROV's to explore ways …
Siuslaw Elementary students designed, engineered and constructed functioning ROV's to explore ways to solve underwater challenges. Engineering exercises included functionality requirements, buoyancy and floatation, electronics, thrust and maneuverability.
According to Project Information Literacy, defining and narrowing a topic is the …
According to Project Information Literacy, defining and narrowing a topic is the most difficult step for beginning undergraduate researchers. This concept mapping lesson is designed to reinforce the idea that when students are writing academic papers or creating class projects they are engaging in a scholarly conversation.
Maps are designed to allow people to travel to a new location …
Maps are designed to allow people to travel to a new location without a guide to show the way. They tell us information about areas to which we may or may not have ever been. There are many types of maps available for both recreational and professional use. A navigator uses a nautical map, while an engineer might use a surveyor's map. Maps are created by cartographers, and they can be very specific or very general, depending on their intended use. The focus of this lesson is on how to read and use topographical maps. Students will also learn to identify the common features of a map. Through the associated activities, students will learn how to use a compass to find bearing to an object on a map and in the classroom.
Students learn about tornadoes - their basic characteristics, damage and occurrence. Students …
Students learn about tornadoes - their basic characteristics, damage and occurrence. Students are introduced to the ways that engineers consider strong winds, specifically tornadoes, in their design of structures. Also, students learn how tornadoes are rated, and learn some basics of tornado safety.
Students work in pairs or small groups to identify and categorize various …
Students work in pairs or small groups to identify and categorize various objects. One student is blindfolded and the other student chooses five objects for their partner to identify. The blindfolded student has to describe and try to identify the object based solely on touch. Both students then record their data, describing the objects first as human-made or natural, then living or non-living, and finally physical characteristics.
In this activity, students learn about creating a design directly from a …
In this activity, students learn about creating a design directly from a CAD (computer-aided design) program. They will design a tower in CAD and manufacture the parts with a laser cutter. A competition determines the tower design with the best strength:weight ratio. Students also investigate basic structural truss concepts and stress concentrations. Partnership with a local college or manufacturing center is necessary for the completion of this project.
Looking at transportation and the environment, students learn that some human-made creations, …
Looking at transportation and the environment, students learn that some human-made creations, such as vehicles, can harm the environment. They also learn about alternative fuels and vehicles designed by engineers to minimize pollution. The associated hands-on activity gives students a chance to design their own eco-friendly vehicle.
Students learn about the fundamental strength of different shapes, illustrating why structural …
Students learn about the fundamental strength of different shapes, illustrating why structural engineers continue to use the triangle as the structural shape of choice. Examples from everyday life are introduced to show how this shape is consistently used for structural strength. Along with its associated activity, this lesson empowers students to explore the strength of trusses made with different triangular elements to evaluate the various structural properties.
Students learn about and use a right triangle to determine the width …
Students learn about and use a right triangle to determine the width of a "pretend" river. Working in teams, they estimate of the width of the river, measure it and compare their results with classmates.
Students learn about tsunamis, discovering what causes them and what makes them …
Students learn about tsunamis, discovering what causes them and what makes them so dangerous. They learn that engineers design detection and warning equipment, as well as structures that that can survive the strong wave forces. In a hands-on activity, students use a table-top-sized tsunami generator to observe the formation and devastation of a tsunami. They see how a tsunami moves across the ocean and what happens when it reaches a coastline. They make villages of model houses to test how different material types are impacted by the huge waves.
There is a 40% chance that the lower ⅓ of the of …
There is a 40% chance that the lower ⅓ of the of the Cascadia subduction zone will rupture in the next 50 years, generating a large earthquake and ensuing tsunami. In this project, students will work collaboratively to design and test a model of a vertical evacuation structure. They will evaluate the performance of their models and propose further modifications to improve their design. Students will then make a scale drawing and a model to apply math concepts of scale to designing and creating an ideal model of a vertical evacuation structure. Finally, students will present their findings and proposed final design to their peers and an adult audience. The entire process takes about 2 weeks, and was expanded to include more information and activities with earthquake/tsunami prediction and application of scale. The unit is a great fit for standards within Earth Science (specifically plate tectonics and human mitigation) as well as Engineering and Design standards.
Students learn more about magnetism, and how magnetism and electricity are related …
Students learn more about magnetism, and how magnetism and electricity are related in electromagnets. They learn the fundamentals about how simple electric motors and electromagnets work. Students also learn about hybrid gasoline-electric cars and their advantages over conventional gasoline-only-powered cars.
Groundwater is one of the largest sources of drinking water, so environmental …
Groundwater is one of the largest sources of drinking water, so environmental engineers need to understand groundwater flow in order to tap into this important resource. Environmental engineers also study groundwater to predict where pollution from the surface may end up. In this lesson, students will learn how water flows through the ground, what an aquifer is and what soil properties are used to predict groundwater flow.
This lesson plan examines the properties of elements and the periodic table. …
This lesson plan examines the properties of elements and the periodic table. Students learn the basic definition of an element and the 18 elements that build most of the matter in the universe. The periodic table is described as one method of organization for the elements. The concepts of physical and chemical properties are also reviewed.
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