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NASA KSNN Why do leaves change color?
Learn more about why leaves change color and experiment to separate colors within a leaf.
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NASA KSNN What is metamorphosis?
As animals grow, their bodies usually change in size and shape. For some, their shape changes very little. For young amphibians, fish, and insects, the change is more dramatic and the young look very different from the adults. This process of change is called metamorphosis.
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NASA KSNN What is one-half?
What would our world be like without fractions? Our language would certainly change!
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NASA CONNECT Virtual Earth: Using Concept Maps to Solve Problems
In NASA CONNECT Virtual Earth, students will be introduced to Earth system science. They will learn what a system is and how to apply the concept of systems to learn more about how the Earth functions. Students will understand the only way to really comprehend the workings of our planet is to look at the Earth as a whole system. They will also focus on Earth science applications of national priority to expand and accelerate the use of knowledge, science, and technologies resulting from the Earth
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"I Wasn't Interested In Living In The United States If I Wasn't Going To Be In The Movement:" Jack O
Jack O'Dell was one of many young black servicemen who returned from World War II determined to change conditions for African Americans at home. Along with veterans, African Americans who had participated in wartime industries and union organizing, and who had experienced improvements in pay and education, became more assertive in their demands for equality. As a member of the National Maritime Union, O'Dell participated in union organizing and challenging racial discrimination. Later, he used h
Author(s): Center for History and New Media/American Social H

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Voices for Votes: Suffrage Strategies
This lesson involves students in examining primary source documents related to the women's suffrage movement. Students identify methods used to change attitudes about suffrage for women and then create original documents encouraging citizens to vote in current elections.
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The Changing Workplace
The 20th century ushered in a change from handcrafting to machine tooling. Henry Ford introduced one of the first moving assembly lines as a way to turn out more cars more quickly, and the emerging auto industry popularized this mode. A photo of the Doble Steam Motors Corporation factory shows a line of workers and car chassis in production. This new technology, and the spread of industrialization, changed forever the way that work was completed. A wide variety of industries all across the count
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Human Resource Management
Human resource or manpower planning is of great important in the general development and growth of organizations. Thus personnel and Human resources experts, managers and practitioners have now made it known to management that adequate attention be given to it with a view to ensuring better use of other resources especially capital. Organisations have also realized that with increasing competition and complexity in business, more time should be devoted to effective human resources planning to ac
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Ziploc Gardening
Developed for third grade. This activity is fairly straightforward and simple. Each student will grow one to three plants from various beans that are placed in a bag. As the plants grow, students will observe how the appearances change daily, and then again over a longer period of time, such as two weeks. Biology In Elementary Schools is a Saint Michael's College student project. The teaching ideas on this page have been found, refined, and developed by students in a college-level course on the
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View of the vertical stratification of microhabitats in the Mojave desert
The microhabitats within the desert habitat vary by soil type and micro climate. These differences account for the different types of vegetation in each microhabitat.
Author(s): Katie Hale,Kelli Flaagan

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Vinegar and baking soda
Vinegar is an acid. An acid has a pH less than 7. When baking soda is added to vinegar, bubbles are produced and gas is released. Fizzing, bubbling, and change in smell are all evidence of a chemical reaction. The amount of gas produced using baking soda as an indicator tells you the relative concentration ...
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USGS Biological Resources: National Activities
The mission of the United States Geological Survey's Biological Resources Discipline involves working with others to provide the scientific understanding and technologies needed to support the sound management and conservation of our Nation's biological resources. This website contains a comprehensive listing of biological research taking place within the USGS biology branch. This portal provides access to the National Bird Banding Project, the National Park Service flora and fauna database, the
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Topographic Change
The USGS has developed a national inventory of significant topographic changes based on seamless multitemporal elevation data and land cover data. The National Elevation Dataset (NED) and the Shuttle Radar Topography Mission (SRTM) data form a unique pair of seamless elevation datasets that can be used to detect and analyze 20th century topographic surface changes in the United States. The need for more comprehensive information on the nature and extent of recent human geomorphic activity led t
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Beyond 4 degrees: should we reconsider our options?
Third presentation of session 9 of the 4 Degrees international climate conference.
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Handbook of Emerging Technologies for Learning
This Handbook of Emerging Technologies for Learning (HETL) has been designed as a resource for educators planning to incorporate technologies in their teaching and learning activities. HETL has been developed for a workshop delivered to Athabasca University faculty and reflects several years work with Peter at the Learning Technologies Centre at University of Manitoba. Distance and online universities such as Athabasca, are well positioned to play a bridging role between tradition and emergenc
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Introduction to Climate Dynamics and Climate Modeling (CA Textbook)
A comprehensive analysis of all the components of the climate system (atmosphere, ocean, ice sheets, etc) and of all the interactions between them is out of the scope of any course or book. We have thus chosen here to provide only a brief overview of the processes that rule the behaviour of those different ...
Author(s): Hugues Gosse

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Climate Change, Wildlife, and Wildlands: A Toolkit for Teachers and Interpreters
Use this site to learn about the science of climate change and its potential effects on our nation's wildlife and their habitats.
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Producing Films for Social Change
This is an intensive, hands-on editorial and production course in which students pitch their ideas and then research, report, produce, shoot, write, and edit their own short documentary films on social issues affecting the local community, the U.S., or the world. Readings and discussions focus on current news, media ethics, media literacy, the declining credibility of the press, journalists? responsibilities to the public, social justice issues, First Amendment principles, corporate media owners
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Penguin Response to Climate Change
Find out how climate change is affecting Antarctic Adélie penguins and their ecosystem in this video segment adapted from Lloyd Fales and Sweetspot Pictures, Inc.
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Data Analysis
InterMath is a professional development effort designed to support teachers in becoming better mathematics educators. It focuses on building teachers' mathematical content knowledge through mathematical investigations that are supported by technology. InterMath includes a workshop component and materials to support instructors. For each of the following problems, consider how you would pose the same problem to your students. Would the wording need to change? Would you need to include more pictur
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