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Smoke Detector/Alarm
Description of the principle of operation of a smoke detector/alarm that uses ionising radiation. Diagrams and a simplified circuit are included.
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Hurricane Linda from GOES: September 11, 1997 (Fly Across)
GOES Hurricane Linda Sept. 1997 for Release in March 1998 - fly across
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Digital Earth Workbench: 3D Hurricane Luis
The Digital Earth Workbench is an interactive application that runs on a SGI Onyx Infinite Reality system and is controlled by an Immersive Workbench, tracked stereo glasses, and a tracked wand. The application allows an unprecedented freedom to roam georeferenced datasets at multiple resolutions and timescales. This animation is one of a series of direct screen captures of the application in operation. The occasional menu appearance denotes direct intervention by the operator to add or delete d
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Farmers' markets
Op het einde van deze les kun je inhoudsvragen over een interview over de Farmers' Markets (boerenmarkten) beantwoorden.
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Get Your Motor Running
Students investigate motors and electromagnets as they construct their own simple electric motors using batteries, magnets, paper clips and wire.
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Ferns attached to a forest rock
Ferns have small, branched leaves, not to reduce gas exchange and water loss, but to increase the surface area for spore producing structures. This demonstrates that plants develop certain characteristics for very different reasons.
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Architects and Engineers
Students explore the interface between architecture and engineering. In the associated hands-on activity, students act as both architects and engineers by designing and building a small parking garage.
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David Gergen at Elon University Convocation
David Gergen, Senior Political Analyst for CNN, talks about current issues the government faces during Elon University's Spring Convocation for Honors April 7, 2011.
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The Bracero Program
The government-sponsored Bracero Program was the temporary importation of workers from Mexico to aid the American agricultural economy. This was an important historical event that many Americans are unaware of today. A bracero (from brazo, the Spanish word for arm) was a Mexican worker allowed entry into the United States for a limited time, usually to work on a farm. In 1942, facing an extreme shortage of farm labor workers due to the war, Congress enacted the Emergency Labor Program. It approv
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Political Cartoons
In this activity, students will research a political issue that is highlighted and discussed on the TakingITGlobal website. Students will pick one issue and write a one page satire on the event/issue. Part 2 of the assignment is for the students to create their own political cartoon using Photoshop or similar software.
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Underwater
Explain which fish you would want to be in this school and why.
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Induction of Nitrate Reductase in Plant Shoots
A laboratory exercise that uses colormetric assay and corn seedling shoots to study the induction of enzyme activity by a substrate.
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Small Regulatory RNAs May Sharpen Spatial Expression Patterns
The precise establishment of gene expression patterns is a crucial step in development. Formation of a sharp boundary between high and low spatial expression domains requires a genetic mechanism that exhibits sensitivity, yet is robust to fluctuations, a demand that may not be easily achieved by morphogens alone. Recently, it has been demonstrated that small RNAs (and, in particular, microRNAs) play many roles in embryonic development. Whereas some RNAs are essential for embryogenesis, others ar
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Remote Sensing Interactive: Land Cover Map / Image Comparison
The Land Cover Map / Image Comparison is one of a number of interactive tools being developed to illustrate basic remote-sensing . Here, the user is able to examine a portion of the Chiricahua Mountains in southern Arizona by viewing two sets of images from TM and Modis sensors, and selecting areas within them for closer examination at three magnification levels.
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Inca Investigation
This OLogy activity gives kids a chance to test their investigation skills while learning about daily life for the Incas. Inca Investigation begins with an introduction to archaeologist Craig Morris and the ancient Inca city that his team excavated in the Andes mountains. Then kids are given detailed directions for how to play Inca Investigation, which includes tips to help them better examine evidence. At any time, they can get help, learn how to read a plan, or browse a book about Inca history
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Pendennis Castle N900020

PENDENNIS CASTLE, Cornwall. c.1894. Reconstruction drawing of Half Moon Battery. Men working in the cartridge store by Ivan LAPPER.


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" Over the Hump and Jump"- Counting with Transitional Numbers
This computer-animated video provides practice counting with transitional numbers, numbers ending with nine.  The video shows the "nine" numbers climbing to the top of a mountain with the "tens" number being the summit. Many examples are given. ( 2:55)
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