नवीनतम वीडियो
Students create their own anemometers—instruments for measuring wind speed. They see how an anemometer measures wind speed by taking measurements at various school locations. They also learn about different types of anemometers, real-world applications, and how wind speed information helps engineers decide where to place wind turbines.
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Music: Ukulele - Bensound.com
Students use everyday building materials—sand, pea gravel, cement and water—to create and test pervious pavement. They learn what materials make up a traditional, impervious concrete mix and how pervious pavement mixes differ. Groups are challenged to create their own pervious pavement mixes, experimenting with material ratios to evaluate how infiltration rates change with different mix combinations.
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https://www.teachengineering.o....rg/activities/view/u
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Music: Komputo - Francis Preve
Students investigate how mountains are formed. Concepts include the composition and structure of the Earth's tectonic plates and tectonic plate boundaries, with an emphasis on plate convergence as it relates to mountain formation. Students learn that geotechnical engineers design technologies to measure movement of tectonic plates and mountain formation, as well as design to alter the mountain environment to create safe and dependable roadways and tunnels.
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Students learn how engineers transform wind energy into electrical energy by building their own miniature wind turbines and measuring the electrical current they produce. They explore how design and position affect the electrical energy production.
View the full activity on TeachEngineering: https://www.teachengineering.o....rg/activities/view/c
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Music: Happy Rock - Bensound.com
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 EV3 robot (that is suitably equipped) to clean a bare floor. Then students think of other uses for random numbers.
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https://www.teachengineering.o....rg/activities/view/s
TeachEngineering has over 1,500 FREE lessons and activities. Visit http://www.TeachEngineering.org for more!
Music: Elite Syncopations - E's Jammy Jams
Simple machines are devices with few or no moving parts that make work easier. Students are introduced to the six types of simple machines — the wedge, wheel and axle, lever, inclined plane, screw, and pulley — in the context of the construction of a pyramid, gaining high-level insights into tools that have been used since ancient times and are still in use today. In two hands-on activities, students begin their own pyramid design by performing materials calculations, and evaluating and selecting a construction site. The six simple machines are examined in more depth in subsequent lessons in this unit.
View the full lesson on TeachEngineering: https://www.teachengineering.o....rg/lessons/view/cub_
TeachEngineering has over 1,500 FREE lessons and activities. Visit https://www.teachengineering.org/ for more
Students randomly select jelly beans (or other candy) that represent genes for several human traits such as tongue-rolling ability and eye color. Then, working in pairs, students randomly choose new pairs of jelly beans from those corresponding to their own genotypes. The new pairs are placed on toothpicks to represent the chromosomes of the couple's offspring. Finally, students compare genotypes and phenotypes of parents and offspring for all the pairs in the class. In particular, they look for cases in which parents and offspring share the exact same genotype and/or phenotype, and consider how the results would differ if they repeated the simulation using more than four traits.
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TeachEngineering has over 1,500 FREE lessons and activities. Visit https://www.teachengineering.org/ for more!
Music: Cold Funk Funkorama
What do enzymes and engineering have in common? As a catalyst that creates a chemical reaction, enzymes are a unique substance that chemical engineers can learn from to create their own unique chemical designs. In this lesson, students learn about enzymes, study how enzymes work in our digestive system, and discuss enzymes are used in laundry detergents. Students relate to the idea that enzymes digest the food in the human body, and that enzymes can also be used to digest food stains on clothing.
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In the everyday electrical devices we use — calculators, remote controls and cell phones — a voltage source such as a battery is required to close the circuit and operate the device. In this hands-on activity, students use batteries, wires, small light bulbs and light bulb holders to learn the difference between an open circuit and a closed circuit, and understand that electric current only occurs in a closed circuit.
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Music: Cosmos - Silent Partnet
Students make a proportional model of blood out of red gelatin, a plastic bag, and rice. They learn about the different components that make up blood and investigate what happens when the arteries and veins experience buildup from cholesterol. They will then work in pairs to brainstorm ways to clean our clogged arteries.
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Music- Sunday Spirit
Students are introduced to the distinctive properties of mixtures and solutions. A class demonstration led by the teachers gives students the opportunity to compare and contrast the physical characteristics of a few simple mixtures and solutions. They discuss the separation of mixtures and solutions back into their original components as well as different engineering applications of mixtures and solutions.
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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.
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TeachEngineering has over 1,500 FREE lessons and activities. Visit https://www.teachengineering.org/ for more!
Music: Hyperfun - Kevin MacLeod
Hyperfun by Kevin MacLeod is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/by/4.0/)
Source: http://incompetech.com/music/r....oyalty-free/index.ht
Artist: http://incompetech.com/
Students are introduced to the futuristic concept of the moon as a place people can inhabit. They brainstorm what people would need to live on the moon and then design a fantastic Moon colony and decide how to power it. Students use the engineering design process, which includes researching various types of energy sources and evaluating which would be best for their moon colonies.
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TeachEngineering has over 1,500 FREE lessons and activities. Visit http://www.TeachEngineering.org for more!
Music: Sophomore Makeout - Silent Partner
Students calculate the viscosity of various household fluids by measuring the amount of time it takes marble or steel balls to fall given distances through the liquids. They experience what viscosity means, and also practice using algebra and unit conversions.
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Music: Bubblegum Ballgame - JR Tundra
Students disassemble and analyze retractable pens. Through the process of "reverse engineering," they learn how the ink pens work.
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Music: Dragonfly
The Teach Engineering Digital Library is an educational resource featuring standards-aligned, design-rich curricula to help educators foster design thinking.
Put the ‘E’ in STEM by making applied science, technology, and math come alive through engineering design and design thinking.
One way to conserve energy in a building is to use adequate insulation to help keep hot or cool air inside or outside of the structure. Inefficient heating and cooling of buildings is a leading residential and industrial source of wasteful energy use. In this activity, student groups conduct a scientific experiment to help an engineering team determine which type of insulation conserves the most energy—a comparison of newspaper, wool, aluminum foil and thin plastic. They learn about different kinds of insulation materials and that insulation prevents the transfer of heat, electricity or sound. Student teams collect data and make calculations, then compare and discuss their results. A student worksheet is provided.
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TeachEngineering has over 1,500 FREE lessons and activities. Visit https://www.teachengineering.org/ for more!
Music: Travel Light - Audionautix
Travel Light by Audionautix is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/by/4.0/)
Artist: http://audionautix.com/
Students act as mining engineers and simulate ore mining production by using chocolate chip cookies. They focus on the cost-benefit analysis of the chocolate ore production throughout the simulation, which helps them understand the cost of production. As students “mine” with tools such as paperclips and toothpicks, they keep records of their costs—land (cookie), equipment used, cookie size before and after production, and time spent. While the goal is to make as much profit as possible, other costs and goals are taken into consideration—as in real-world mining engineering. For example, mining engineers also consider the resulting amount of destruction to the lithosphere when deciding the best method to obtain ore. Thus, a line item for land reclamation cost is included from the beginning. A provided worksheet serves as a profit and loss statement.
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https://www.teachengineering.o....rg/activities/view/n
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Music: Inevitable - Diamond Ortiz
Student groups rotate through four stations to examine light energy behavior: refraction, magnification, prisms and polarization. They see how a beam of light is refracted (bent) through various transparent mediums. While learning how a magnifying glass works, students see how the orientation of an image changes with the distance of the lens from its focal point. They also discover how a prism works by refracting light and making rainbows. And, students investigate the polar nature of light using sunglasses and polarized light film.
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Music: Side Steppin
