Aladdin Matrix and Finite Element Environment
"Aladdin is a computational toolkit for the interactive matrix and finite element analysis of large engineering structures." It is being developed at the University of Maryland Institute for Systems Research and is funded by the National Science Foundation and Federal Highway Administration. Aladdin has numerous functions, including matrix arithmetic, structural analysis, and mechanics of finite elements. The software is excellent for use by both student and professional engineers. Extensive inf
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Internet Guide
The Internet Guide is a no-nonsense site intended for Internet newbies. It consists of several short articles that discuss the basics of Internet navigation, common terms and phrases, Netiquette, and much more. Some specific technologies are also mentioned, such as Telnet and newsgroups. The Guide occasionally refers to various products or services; however, it does not endorse any particular company, instead offering a list of several potential choices. A particularly enlightening section defin
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ANWR Technology
Drilling for oil in the Arctic National Wildlife Refuge (ANWR) in Alaska has been a topic of debate for many years. Although initial exploratory drilling has not yet been authorized by the government, this site presents some technologies that could eventually be used to find and extract oil without damaging the land. Nine articles describe different drilling methods, spill prevention tactics, exploration techniques, and more. One topic is 3D reflective seismic technology, which is used to help a
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Museum of Science's Educator Resource Center
The Museum of Science's Educator Resource Center (ERC), based in Boston, MA, offers this website providing educators with "recommended and institutional Museum materials, all mapped to national and state standards, in order to increase the quality of science, technology, and engineering education." The collection includes a wealth of curriculum materials and science project resources focused specifically on engineering and technology education. Each lesson is evaluated in terms of usability, tea
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Water Research Network
Self-described as a "multidisciplinary database of research, researchers, and institutions dealing with fresh water issues all over the world," the Water Research Network (WRN) is a product of collaboration between the University of Bergen, Norway, the Norwegian Research Council, and the Government of the Netherlands. Active since October 2001, WRN invites researchers from various disciplines to submit information about their water research projects (free registration is required). While the sit
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The Physics Classroom
Hosted by Study Works Online and written by science teacher Tom Henderson, The Physics Classroom is an online physics tutorial written for high school physics students. Through individual lessons and accompanying quizzes, this very informative site includes a physics tutorial that covers everything from Newton's Laws to Refraction. The Multimedia Physics Studio portion of the site gives excellent animations and movies that allow students to reinforce their learning by visualizing what is being d
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Physical Science Information Gateway: Training
Another helpful resource from the Physical Science Information Gateway (last mentioned in the September 14, 2001 Scout Report , the Training Web site contains "free "teach yourself" Internet tutorials aimed at students, researchers and other members of staff who want to get the most out of the Internet". The topics covered include chemistry, earth science, physics, and the history and philosophy of science. Users get to tour key internet sites on each of the general topics, learn how to search f
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probeBase
The Microbial Ecology Group of Munich's University of Technology has recently launched probeBase, "a comprehensive database containing published rRNA-targeted oligonucleotide probe sequences, DNA microarray layouts and associated information." Users may search for sequences by target organism, which "can assist in the development of new rRNA-targeted oligonucleotide probes for fluorescence in situ hybridization (FISH)," or by probe name for rapidly retrieving published probes targeting desired s
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Amazing Earth Games: Disasters You Can Play at Home
Another above average offering from Discovery.com, the Amazing Earth Games: Disasters You Can Play at Home Web site does a great job at making learning fun. The interactive activities include: Crumble California, in which users get to see how the continental plates have affected the state; Unleash a Superstorm, which lets you create your very own hurricane; and the Destroy Life on Earth activity, which gives you the power to launch fireballs at our planet and witness the result. A great site for
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Japanese Ant Image Database
The 2003 revised edition of the Japanese Ant Image Database was developed under the direction of the Japanese Ant Database Group (JADG). The website, which merges taxonomic information and stunning photographs, will no doubt delight myrmecologists and others. Information about different types of ants can be accessed through browseable, hyperlinked lists organized by subfamily, genus, and species. Genus and species profiles include images, references, descriptive information, simple distribution
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systems of linear equations
Solve a system of linear equations by graphing and finding the intersection of the lines of the equations. Create a system of equations, examine its graph, matrix, and table of values, and determine the solution of the system.
Author(s): ExploreMath.com,Brian Sharp

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Copyright 1999-2001 ExploreLearning.com All Rights Reserved.

Compound Independent Events
Compare the theoretical and experimental probabilities of compound independent events by drawing colored marbles from a bag. Record the results of successive draws with or without replacement of marbles to calculate the experimental probability.
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The secret life of the brain
This web site was developed to accompany the PBS television series The Secret Life of the Brain, which explores how the human brain develops and changes from infancy through late adulthood. Among the site's features are a timeline of human knowledge of the brain, an interactive three-dimensional brain model, and illustrated descriptions of various brain scanning techniques. There are also sections devoted to each episode of the TV series that provide an overview of the episode, brief video clips
Author(s): David Grubin Productions,Thirteen/WNET New York

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Copyright 2001 Educational Broadcasting Corporation and David Grubin Productions, Inc. All rights reserved.

LEARN
LEARN was created to increase middle school science teacher knowledge of and interest in the atmospheric sciences. The original project began in 1991 with funding from the National Science Foundation (NSF). Much of the instructional and science content foundation for the LEARN workshops came from the teaching modules developed by LEARN teachers in collaboration with more than 60 National Center for Atmospheric Research (NCAR) scientists. The modules (Ozone in Our Atmosphere, Atmospheric Dynamics
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Copyright 2000-2001 University Corporation for Atmospheric Research. All Rights Reserved.

Science Sampler : Hypothesis-based learning
Are visions of students hypothesizing, designing experiments to test their explanations, analyzing data, writing formal publications of results, and debating over scientific procedures in an attempt to justify their control of variables dancing in your head? This dream can become a reality when you implement hypothesis-based learning (HBL) into your science curriculum. Follow the suggestions found in this article to put your dream in motion, and wake-up to a classroom teeming with motivated, on-
Author(s): Kaley Fore

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Permission to reproduce content is granted in advance under the following circumstances: (1) All educators may reproduce up to five copies of an NSTA article for personal use only. This does not inclu

All About Sea Ice
Launched by the National Snow and Ice Data Center, the All About Sea Ice website is designed as an introduction to sea ice: what it is, how it forms, how it is studied, how it affected historical expeditions in the polar regions, and what role it plays in the global climate. The site contains over 80 pages of information on sea ice, including a glossary of sea ice terms and links to more information. The primary focus of the site is as a resource for the general public, educators and students in
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Users may download and use any imagery or text from our web site unless it is specifically stated that the information has limitations for its use. We ask that the use of any imagery, text, or data ac

Reading online
This informational piece, part of a series about the future of energy, introduces students to a four-stage process for reading material online. The process includes getting started, reading, rereading and reviewing, and finishing. Each stage comes with a student tip sheet to enable students to work through the processes in a step-by-step manner. Students examine, summarize, review, and then use their new information. A graphic organizer provides students with an opportunity to evaluate the infor
Author(s): Iowa Public Television. Explore More Project

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Copyright 2004, Iowa Public Television

National Oceanic and Atmospheric Administration : Climate Homepage
This National Oceanic and Atmospheric Administration website provides climate information and data. This site offers a variety of product links to climate monitoring, climate at a glance data, U.S. drought assessment, global climate change information, weather observation stations and more. Users can also link to organizations which participate in climate research such as the National Climate Data Center, Ocean Climate Laboratory and the National Weather service. This site is an excellent resour
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These World Wide Web pages are provided as a public service by the National Oceanic and Atmospheric Administration. Information presented on these pages is considered public information and may be dis

Box plot (grades 6-8)
This virtual manipulative enables students to construct box plots to summarize data. Students enter data into a table, and the manipulative displays the minimum and maximum data values, the lower and upper quartiles, and the median. The number in the data set, the average, and the standard deviation are also shown. In addition, the manipulative allows users to order the data. Instructions for using the manipulative, suggestions for classroom use, and a link to the standard for data analysis and
Author(s): Utah State University. National Library of Virtual

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Copyright 2003 MATTI Associates LLC. All rights reserved.

Valley Springs Snow Cream
Middle School, difficulty level 2. Compare the volume of a sphere, cone, and cylinder using ice cream.
Author(s): Math Forum,Kelly Crisp

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