Urban Habitats
_Urban Habitats_, published by the Center for Urban Restoration Ecology (CURE), is "a peer-reviewed, fully indexed scientific journal written and edited for a wide audience of researchers, restoration ecologists, park and preserve managers, government officials, and naturalists." The premier issue of this e-journal (focused on urban flora worldwide) is available online, and researchers are encouraged to submit articles and multimedia resources for future issues (detailed submission guidelines pr
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The New York Botanical Garden: International Plant Science Center
In "combining modern technologies with a century of field and laboratory research," the New York Botanical Garden's International Plant Science Center "is one of the few institutions worldwide with the resources, collections, and expertise to develop the information needed to understand and manage plant diversity." This website grants considerable access to resources from the Center, including numerous plant databases, digitized rare botanical books, online access to the herbarium collections, a
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Two Updates on Stem Cell Research
In a recent press briefing, stem cell research pioneers James Thomson and John Gearhart announced that, despite political obstacles and limited funding, stem cell research is progressing and clinical trials on human beings should begin within the next five years. The Why Files chronicles the first five years of embryonic stem cell research, covering the science, the politics, and the ethical issues behind this contentious topic (and a closer look at the both the promise and doubt in adult stem c
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The Algodones Dunes, California
The Center for Biological Diversity blends "conservation biology with litigation, policy advocacy, and an innovative strategic vision" in efforts to protect endangered species and wild places, focusing on the western US. This Web site contains a slide show of images from the Algodones Dunes, California's largest dune system. The fourteen slides show images of the area's natural history and environmental threats, such as effects from off-road vehicles. Each slide is accompanied by a brief descrip
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Problems with Standards-based Mathematics Tests
Alan Tucker, an Applied Math professor at Stony Brook University took it upon himself to analyze the reliability of the scoring of the Math A test, New York's standards-based exam. Tucker was part of the New York Board of Regents special panel which investigated the high failure rates on the June 2003 exam. He reports here on his findings regarding "flaws in annual math tests mandated by the No Child Left Behind Act." In particular, he is concerned about the likelihood that students scores on st
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MIT Space Systems Laboratory
Massachusetts Institute of Technology (MIT) created the Space Systems Laboratory (SSL) in 1995 to engage in "cutting edge research projects with the goal of directly contributing to the present and future exploration and development of space." Users can find materials on current and past flight projects such as the Synchronized Position Hold, Engage, Reorient Experimental Satellites (SPHERES) and the Interferometry Program Experiment (IPEX). The website also features SSL's ground programs and re
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The Graphite Page
John A. Jaszczak at Michigan Technological University presents the characteristics of graphite at this website. Students can find concise descriptions and helpful images about graphite properties, spirals, and structures. The website offers images and descriptions of graphite found all over the world. Using Macromedia Flash Player, students can observe graphite levitating due to its diamagnetic susceptibility. The website also offers an interactive applet presenting the atom positions for nano-t
Author(s): Jaszczak, John A.

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Mesothelioma Information: The Asbestos Cancer Resource
Although this Web site is provided by a law firm promoting its legal services, it serves as a broad overview of the disease mesothelioma, usually caused by exposure to asbestos. The site addresses what mesothelioma is, the various types of mesothelioma, and its risk factors. A brief overview of asbestos and some types of workers who are often exposed to it is also provided. Other information includes medical treatment options, frequently asked questions about legal issues surrounding asbestos ca
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Three Clouds Activity
The University of Michigan's educational site called Windows to the Universe (last mentioned in the January 6, 1999 Scout Report for Science and Engineering) has added many new lessons to their content. Highlights of these include two activities centered around cloud formation. The Three Clouds uses items such as a jugs and jars, a plastic bag, an aquarium thermometer, and an overhead projector to explore how clouds form and the relationship between the hydrosphere and human activity.
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ExploreMath.com
As part of the ExploreLearning organization, ExploreMath offers an outstanding collection of interactive activities for students in "elementary algebra through pre-calculus." The online multimedia applications are easy to use and demonstrate almost 40 concepts across twelve general categories. One activity, for example, explains some fundamentals of probability by randomly throwing darts and showing how many hit the target. Instructions and topic overviews are given for each activity. Some addit
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History and Evolution of Physics
This Topic in Depth explores the history and evolution of the field of physics. The first website, created by the Institute of Physics, offers an interactive timetable of the development of physics from the ancient philosophers during the Bronze Age to the present research in quantum mechanics and relativity (1). The website illustrates the links between scientists and eras. Second, the US Department of Energy provides a synopsis of the work of the nuclear physics research program and the high-e
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Observe waves as they break on the shore
This animation presents a movie of actual waves breaking on the shore. The accompanying text explains how waves break when energy passes through water in a shallow area. The role of wave energy in erosion is also discussed. Movie controls allow students to repeat, pause, or step through the animation, which can give students more time to read the text and connect it with the images. Copyright 2005 Eisenhower National Clearinghouse
Author(s): TERC. Center for Earth and Space Science Education

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The CSI Effect: Changing The Face of Science
Until recently, the vast majority of female student images of scientists were versions of white males working alone in laboratory settings (Barman et al. 1997). As a result, the authors asked the question, ?What phenomenon is responsible for the recent change in female students? mental images of scientists?? They suggest that the popular Crime Scene Investigation (CSI) television series and other television programming have greatly influenced how students, especially female students, perceive sc
Author(s): Arthur Bangert,Richard Jones

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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

Designing Mathematics or Science Curriculum Programs: A Guide for Using Mathematics and Science Educ
With the publication of the National Science Education Standards and the National Council of Teachers of Mathematics' Curriculum and Evaluation Standards for School Mathematics, a clear set of goals and guidelines for achieving literacy in mathematics and science was established. Designing Mathematics or Science Curriculum Programs has been developed to help state- and district-level education leaders create coherent, multi-year curriculum programs that provide students with opportunities to lea
Author(s): Committee on Science Education K-12 and the Mathem

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Metadata is copyrighted by the National Academy of Sciences, 2005. NSDL may modify, reformat and redistribute metadata to function within NSDL systems, services and partners. Resource terms of use: Co

Spaghetti Bridge
Civil engineers design and construct structures such as buildings, dams, and bridges. We can explore the field of engineering by making a bridge using spaghetti. This bridge is then tested based on the weight it can carry without breaking.
Author(s): K-12 Outreach Office,

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Copyright 2011 - K-12 Outreach Office, Worcester Polytechnic Institute,http://www.teachengineering.org/policy_ipp.php

Dragonfly Museum
The digital dragonfly on-line museum offers a large collection of dragonfly images. It includes a discussion of dragonflies and photographs of a wide variety of dragonflies arranged by family and of the emergence sequence.
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Copyright 1997, Forrest Mitchell

What is sugar?
This reading, part of a site about the science of cooking, provides general scientific information about sucrose (white table sugar) together with explanations of the science behind some candy-making procedures. The general information includes the chemical formula of sucrose and a ball-and-stick model that illustrates that sucrose is made of fructose and glucose. Regarding candy, the reading describes how heating a sugar solution produces a supersaturated solution. A discussion about common tec
Author(s): Exploratorium

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Copyright Exploratorium.

Observe animations of processes that occur along plate boundaries
Here are three animations that reveal how tectonic plates move relative to each other at three types of plate boundaries--transform, convergent, and divergent boundaries. Key features such as the asthenosphere are labeled in the animations. In addition, each animation is equipped with movie control buttons that allow students to play, pause, and move forward and backward through each clip. The animation of a transform boundary shows the North American and Pacific plates sliding past one another,
Author(s): TERC. Center for Earth and Space Science Education

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Celestial Navigation
Celestial navigation is the process of finding your position on Earth based on astronomical guideposts. In this lesson, explore the principles of navigation; build tools to observe celestial bodies, and learn how science, mathematics, technology, and history are intertwined.
Author(s): Kurt Rosenkrantz

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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

Density Balloon
What happens to the density of a balloon as it is heated and cooled? This material is part of a series of hands-on science activities designed to arouse student interest. Here students use a hair dryer to heat a helium-filled Mylar balloon, causing it to rise, and let it cool, causing it to drop. The activity includes a description, a list of science process skills and complex reasoning strategies being used, and a compilation of applicable K-12 national science education standards. Also provide
Author(s): Mid-continent Research for Education and Learning

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