Observe an animation showing growth of a continent
This Earth science animation for middle and high school students demonstrates that plate tectonics can increase a continent's size at a convergent boundary. In the animation, when an oceanic plate that is moving a terrane subducts under a continental plate, the terrane attaches to the edge of the continent. Volcanic activity caused by the subduction is also shown. Key features in the animation are labeled, and a paragraph introduces it. Students are able to use control buttons to play, pause, an
Author(s): TERC. Center for Earth and Space Science Education

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Galactic Inquiry
In this inquiry activity, students view NASA images of galaxies and develop a galaxy classification scheme. Students then compare and contrast their classification scheme with that developed by Edwin Hubble.
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Exploring the Extreme
This site provides lessons on key concepts in the design and flight of F-15 fighter planes. Lessons (K-8) focus on center of gravity; its relationship to thrust vectoring, pitch, and yaw; how thrust is created in a jet engine; how vectoring (directing the thrust from a jet engine) affects movement of a plane; and fuel efficiency and drag.
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What's the Big Idea? Marine Biology
This fun Web article is part of OLogy, where kids can collect virtual trading cards and create projects with them. Here, they learn about marine biology. It All Started in the Ocean looks at how the world's five great oceans are linked and how scientists know that life probably started in the oceans. Mysteries of the Deep explains that scientists know less about the ocean than they do about the dark side of the Moon. There Are So Many Ways to Live in the Sea debunks the perception that the ocean
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eMarketing: the essential guide to online marketing
According to these authors, currently available online marketing textbooks are largely inadequate and outdated and lack the technical know-how and practical background that would make them applicable to students, educators and practitioners in the corporate sector. Quirk offers a dynamic and integrated learning experience that will ensure that students, educators and companies using the guide to eMarketing, will be in the know regarding the latest trends and best practices in this exciting spher
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Réseaux sans fil dans les pays en développement
Le livre Réseaux sans fil dans les pays en développement peut être gratuitement téléchargé au complet ou par chapitres en format PDF.
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Statistical Inference: Small Probabilities and Errors
A discussion of how small probabilities license statistical inferences, and how frequentists C. S. Peirce, R. A. Fisher, J. Neyman, E. S. Pearson, and D. Mayo differ in their interpretations of the p-value of a statistical test. (Unpublished paper)
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Harmonic Cloud Patterns on Jupiter
Regularly spaced clouds appear in Jupiter's belts, sometimes white spots and sometimes swirling waves. A polar projection of Jupiter, made by NASA from the 2000 flyby, allows accurate testing of the hypothesis that these waves form as predicted by the Harmonics Theory. It is found that expected strong harmonics 12, 24 and 72 are present.
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Will the Real Cinderella Please Stand Up?
Students learn that folk stories can be told in many ways and learn to write their own Cinderella story and script according to their own gender or culture. They also become aware of the steps that are necessary to make a film as they learn the various parts that go into the process.
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Civil Disobedience Action Plan
This lesson acquaints students with historical and current concepts of civil disobedience. They will also consider issues that affect their own lives in relation to civil disobedience.
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Creating and Evaluating Ethnic Advertising
In this lesson students research how advertising agencies market products for different ethnic groups and how they generally target specific audiences.
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Social Problems: who makes them?
Anti-social behaviour, homelessness, drugs, metal illness: all problems in today's society. But what makes a problem social? This unit will help you to discover how these issues are identified, defined, given meaning and acted upon. You will also look at the conflicts within social science in this area.
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Arabidopsis gravitropism
Gravitropism is the turning or growing in a different direction of a plant in response to gravity. This plant's shoots grow upward and exhibit negative gravitropism because they are growing away from gravity's pull.
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Celery in pure water
The celery stalks take up the water and continue to live in this environment.
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Root behavior
Roots can grow in multiple directions. Just because this plant was in a cup didn't stop the roots from growing longer and creating individual branches.
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Female Artemia closeup
Close-up full body view of a female Artemia under one quarter-inch in size.
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Safari 2000 Tropospheric Ozone
The fires that raged across southern Africa in August and September of 2000 produced a thick river of smoke that observers compared with the aftermath of the Kuwaiti oil fires in 1991. NASA-supported studies currently underway on the event will contribute to improved air pollution policies in the region and a better understanding of its impact on climate change.
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EPTOMS Ozone (7-26-96 - 12-4-00)
This animation shows the total ozone as measured by Earth Probe TOMS since the earliest measurements by that instrument. Days on which no data was taken appear as blank.
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North America NDVI 1993 August
NDVI in North America for August 1993, based off data collected over the 1981-2000 time frame.
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Ozone Layer Shielding Our Planet
An animation showing the ozone layer shielding our planet from the suns intense ultraviolet radiation. Ozone absorbs nearly all of the biologically damaging UV radiation from the sun.
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