Students model the effect of greenhouse gases on Earth's atmosphere. They find …
Students model the effect of greenhouse gases on Earth's atmosphere. They find that greenhouse gases, such as carbon dioxide and methane, are uniquely shaped to catch and pass on infrared radiation, and so they are responsible for the warmth we enjoy on Earth. The children discuss how the addition of greenhouse gases by human activities leads to further warming and what steps we can take to slow it.
O Catálogo de Produtos da Agricultura Familiar, constitui Produto Técnico Educacional, gerado …
O Catálogo de Produtos da Agricultura Familiar, constitui Produto Técnico Educacional, gerado a partir da dissertação da mestranda Ceilla Mirian Paiva Santana, orientada pela professora Dra Marjorie Cseko Nolasco, vinculada ao Programa de Mestrado Profissional em Rede Nacional para o Ensino de Ciências Ambientais- ProfCiAmb-UEFS. Este produto educacional foi idealizado com o objetivo de ajudar agricultores familiares, bem como suas organizações comunitárias do município de Boninal, integrantes da cadeia produtiva da agricultura familiar, a enfrentar esse momento tão desafiador que foi imposto pela grave crise gerada no mundo pela pandemia do Covid-19.A pandemia afetou diretamente muitos setores da economia, em especial por conta da suspensão das atividades para evitar a proliferação do vírus. Durante a pesquisa, identificamos as dificuldades enfrentadas por agricultores e agricultoras do município de Boninal e buscamos construir junto às Associações de Agricultores Familiares de Boninal caminhos de enfrentamento aos desafios trazidos pela pandemia do covid 19.Este Catálogo é fruto da busca dos agricultores familiares por novos caminhos de comercialização usando as redes sociais, com a finalidade de mostrar parte do processo que acontece nos bastidores antes da comercialização,levando ao cliente muito mais que divulgação,embalagem e exposição do produto, Além disso este documento traz em sua essência a construção de conhecimento interdisciplinar, fruto de um processo de construção coletiva, participativa e dialógica, a partir da participação de grupos sociais, no qual se apresenta diversidade biológica, vegetal, cultural e identidade de um povo; que pode ser utilizado em todas as escolas desde o ensino fundamental ao Ensino médio. Todo as imagens desse catálogo foram registradas pelos agricultores familiares participantes das pesquisas, usando seus próprios celulares.
Summary: Cavitation is the transition of a fluid into vapour due to …
Summary: Cavitation is the transition of a fluid into vapour due to local reduction of pressure which is generated by high local flow velocities. The transition of a fluid into vapour also occurs during cooking of water by an increase of the local temperature. The term cavitation is generally reserved for conditions in which the temperature of the bulk fluid is not changed. Although cavitation can occur in many situations this course focuses on ship hydrodynamics and ship propellers. The course is divided into five main groups: physics, types and effects of cavitation as well as calculations and test facilities and techniques. Some of these topics are illustrated with the use of videos. (Study goals:) 1. Reproduce the main lines in a selection of the latest developments in the field of propulsion and resistance hydrodynamics, where the current selection of propulsion and resistance topics includes unsteady hydrodynamics of the flow over a foil, cavitation forms, problems and tools for analysis and design, propulsion systems in a service environment and ship drag reduction by air lubrication. 2. Analyse a hydrodynamic problem in the propulsion and resistance area, into well defined sub problems that can be analysed with state of the art knowledge and tools 3. Select the appropriate theory or tool (either numerical or experimental) for an analysis of the identified problem. 4. Reproduce and present to an audience, the main lines in a contemporary publication from the field of Propulsion and Resistance hydrodynamics. 5. Understand, interpret and react to questions from the audience and the lecturer and in doing so, stimulate the scientific debate.
Students first discover what they want from their education, then build a …
Students first discover what they want from their education, then build a plan to get there. This content takes students through the steps to successfully navigate their journey in higher education. Topics include planning for success, choosing a career path, setting and attaining goals, understanding financial management, developing critical thinking skills, making healthy choices, using effective communication, managing time, developing learning strategies, developing meaningful relationships. Content is available in PDF and Open Document formats and is licensed CC BY. Learning Objectives also are provided. Full course offering available at https://www.cengage.com/c/opennow-college-success-1e-opennow-cengage
Students first discover what they want from their education, then build a …
Students first discover what they want from their education, then build a plan to get there. This content takes students through the steps to successfully navigate their journey in higher education. Topics include planning for success, choosing a career path, setting and attaining goals, understanding financial management, developing critical thinking skills, making healthy choices, using effective communication, managing time, developing learning strategies, developing meaningful relationships. Content is available in PDF and Open Document formats and is licensed CC BY. Learning Objectives also are provided. Full course offering available at https://www.cengage.com/c/opennow-college-success-1e-opennow-cengage
Students first discover what they want from their education, then build a …
Students first discover what they want from their education, then build a plan to get there. This content takes students through the steps to successfully navigate their journey in higher education. Topics include planning for success, choosing a career path, setting and attaining goals, understanding financial management, developing critical thinking skills, making healthy choices, using effective communication, managing time, developing learning strategies, developing meaningful relationships. Content is available in PDF and Open Document formats and is licensed CC BY. Learning Objectives also are provided.
This resource provides statistical data pertaining to state and local law enforcement, …
This resource provides statistical data pertaining to state and local law enforcement, including: personnel, operating expenditures, 9-1-1 participation, computers and information systems, video cameras, police-public contact, and law enforcement training academies.
This activity engages learners in exploring the impact of climate change on …
This activity engages learners in exploring the impact of climate change on arctic sea ice in the Bering Sea. They graph and analyze sea ice extent data, conduct a lab on thermal expansion of water, and then observe how a scientist collects long-term data on a bird population.
Developed by a team of scientists from two national laboratories, education researchers, …
Developed by a team of scientists from two national laboratories, education researchers, gamers, and a professional game developer, Challenge and Persuade is a highly social, fast-paced, fun-to-play card game in which players compete in applying skills in argumentation. Through game play, players come to understand the many manifestations of how the extreme amplification of the human population, exploding worldwide demand for energy, increasing exploitation of water resources, and alteration of the planet's climateâare tightly intertwined at the nexus of energy, water, and climate; one cannot be considered in isolation from the other two. Development was supported by the National Science Foundation.
At its core, the LEGO MINDSTORMS(TM) NXT product provides a programmable microprocessor. …
At its core, the LEGO MINDSTORMS(TM) NXT product provides a programmable microprocessor. Students use the NXT processor to simulate an experiment involving thousands of uniformly random points placed within a unit square. Using the underlying geometry of the experimental model, as well as the geometric definition of the constant π (pi), students form an empirical ratio of areas to estimate a numerical value of π. Although typically used for numerical integration of irregular shapes, in this activity, students use a Monte Carlo simulation to estimate a common but rather complex analytical form the numerical value of the most famous irrational number, π.
This animation illustrates how the hardiness zones for plants have changed between …
This animation illustrates how the hardiness zones for plants have changed between 1990 and 2006 based data from 5,000 National Climatic Data Center cooperative stations across the continental United States.
This video addresses the impact of climate change on several butterfly populations. …
This video addresses the impact of climate change on several butterfly populations. Warming temperatures lead to shifts in location of populations of butterflies or die-offs of populations unable to adapt to changing conditions or shift to new locations.
This video provides a comprehensive introduction to the role of coral reefs, …
This video provides a comprehensive introduction to the role of coral reefs, the physiology of corals, and the impacts of ocean warming and acidification on coral survival. It highlights experts from the Bermuda Institute of Ocean Sciences and the University of Miami.
This Changing Planet video documents scientists' concerns regarding how melting Arctic sea …
This Changing Planet video documents scientists' concerns regarding how melting Arctic sea ice will increase the amount of fresh water in the Beaufort Gyre, which could spill out into the Atlantic and cause major climate shifts in North America and Western Europe. The video includes interviews with scientists and a look at the basics of how scientists measure salinity in the ocean and how ocean circulation works in the Arctic.
This video illustrates conditions under which two infectious diseases - cholera and …
This video illustrates conditions under which two infectious diseases - cholera and dengue fever - flourish, and how climate change is likely to exacerbate those conditions. Note: you may need to scroll down the Changing Planet video page to get to this video.
This NBC Learn video features climate scientists doing their research on Mt. …
This NBC Learn video features climate scientists doing their research on Mt. Kilimanjaro to study the climate of the past. The scientists put the recently observed changes on the glacier into perspective by comparing past climate fluctuations, stressing that the current observed rate of change is unprecedented. Note: you will need to scroll down the Changing Planet video page to get to this video.
This video follows Bermuda scientists into the field as they collect data …
This video follows Bermuda scientists into the field as they collect data that documents a warming trend in ocean temperatures. BIOS Director Tony Knapp discusses some of the impact of warming temperatures on sea levels, storms, and marine ecosystems.
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