THE BOOK: An Engineer's Guide to the Digital Transition
This online guide was written to help engineers make the transition from analog to digital designs and implementations, with a specific focus on audio and video systems. The material is quite extensive and includes a wealth of application notes and "information on video formats, standards and interconnection considerations." Everything from high-level system design to proper routing techniques for different kinds of cables and signals is covered. The success of this guide prompted the creation o
Science North: Learn and Play
Science North Museum is self-described as creating high quality science education and entertainment experiences for its visitors. The Learn and Play portion of the accompanying Web site contains a Cool Science link with a wide variety of activities including an interactive stargazer and solar system, science quizzes, a reflex tester, a geology exploration activity, and more. Other links on the Learn and Play page include descriptions and movies, additional recommended science links, and Web cams
Ocean World: Coral Reefs
Texas A&M University presents Ocean World, a Web-based educational resource for oceanography. The feature on coral reefs has the most direct life sciences application, with easy-to-navigate sections about the coral animal, coral reefs as the rainforests of the sea, symbiosis, ecosystem services, and coral reef threats and conservation. The Web site also includes a handy hypertext glossary, an interactive quiz, and annotated links to interesting Web sites, including sites that provide real-time r
The Pherobase was developed by Dr. Ashraf El-Sayed, a research scientist at HortResearch in New Zealand, with the primary objective of providing "coverage of the literature published on chemical communication in insects." The Pherobase is intended for use by both scientific and non-scientific communities and currently contains "over 10000 entries, around 3000 molecules, and over 32000 static html pages that make it the world's largest database of behavior modifying chemicals." The site contains
Igneous, Metamorphic, and Sedimentary Rock Info
Igneous, Metamorphic, and Sedimentary Rock Info, is part of the University of British Columbia Introduction to Petrology course Web site. Visitors can learn the basics of petrology, and the specifics about each individual rock type. For example, the sedimentary rock page gives definitions, normal constituents, limestone and dolostone facts, and siliciclastic rock information. One of the highlights of the site lets users go through the process of rock classification by determining its grain size,
Floods: The Awesome Power
A newly released publication from the National Oceanic and Atmospheric Administration, the National Weather Service, and the Red Cross is entitled "Floods: The Awesome Power." The citizen-focused sixteen-page preparedness guide explains "flood-related hazards and suggests life-saving actions you can take." Readers will learn what flash floods are, what to do if youre caught in your vehicle during a flash flood, what river floods are, how tropical cyclones create floods, where to get current we
History of Energy
This latest Topic in Depth delves in the Webï¿½s offerings on the history of energy. The first site is maintained by the US Department of Energy, which is called Milestones in the History of Energy and Its Uses (1). From fire to the discovery of nuclear energy, the site gives short descriptions on significant events in the history of energy for each century, events by particular fuel type, events by energy uses, how energy uses have changed, energy consumption changes, and more. The next site
Jantar Mantar: The Astronomical Observatories of Jai Singh II
This website, created by the Cornell University Professor of Art, Barry Perlus, presents the five astronomical observatories in west central India. After reading a short introduction to the observatories, users can explore interactive panoramas of the observatories, built in the 18th century, using QuickTime. The website also offers still images and animations of the Samrat Yantra. Visitors can learn about the latest design plans and additions to the website. The website features downloads of ar
The Meteoritical Society
"The Meteoritical Society is a non-profit scholarly organization founded in 1933 to promote the study of extraterrestrial materials and their history." The website provides the latest Society news and downloads to its annual newsletter and bulletins. Scientists can find out about upcoming meetings and workshops, Society publications, and membership opportunities. Students and educators can locate materials describing meteorites, tektites, dust, and lunar samples as well as links to outside educa
The Mission-A Great Scientific Adventure
At this interactive website, enhanced by Macromedia Flash Player, students can perform 19 creative scientific missions, including three super-missions. The missions include interesting clues, fun games, and stimulating quizzes. Users obtain chemical elements as an award for each mission they successfully complete with the ultimate goal of filling the Periodic Table. Through the activities developed by the National Film Board of Canada (NFB), students can learn about lightening, cloud types, elec
Hawaii Coral Reef Assessment and Monitoring Program: Bibliographic Database
This coral reef-related Bibliographic Database was developed by the Hawaii Coral Reef Assessment and Monitoring Program (CRAMP). CRAMP conducts research "designed to identify the controlling factors, both natural and anthropogenic, contributing to the stability, decline, or recovery of Hawaiian reefs. The CRAMP "Bibliographic Database contains listings for published and unpublished documents concerned with the coral reefs and inshore marine resources of Hawaii." More than 2,500 references are cu
Developed jointly by the Pacific Science Center and the Washington State Dairy Council, Nutrition Cafe offers students three interactive games to explore the world of nutrition. The first game, Nutrient Sleuth, is an entertaining hangman-style game where students try to discover what nutrients different characters are missing based on clues and letter guesses. Another enjoyable offering is Grab A Grape, a Jeopardy-style game where site visitors try to match nutrition-related questions with answe
CAT (Computerized Axial Tomography) scans
This web page about CAT (computerized axial tomography) scans gives a brief overview of this imaging technique. CAT (or CT) scanning captures a lot of 2-dimensional X-rays that a computer then joins together to generate 3-dimensional images of internal structures. As part of a set of materials about brain scanning technologies, this page mentions what researchers can learn about the brain from CAT scans. Copyright 2005 Eisenhower National Clearinghouse
Whats It Like Where You Live? Desert
This site provides excellent background information on deserts. Large print and superb pictures make this site very appealing to younger students. Topics include: What is a Desert Like?, Types of Deserts, What causes Deserts?, Deserts of the World, Desert Plants, Desert Animals, and links to other desert sites.
This easy to read page includes a biography of Chadwick who discovered the neutron, a photo of Chadwick and links to related people such as Rutherford.
Wetlands : quick take
Here are some websites to supplement your content knowledge and lesson repertoire for educating students about wetland and estuary value and conservation practices.
JGI Nitrosomonas europaea ATcC 19718
As part of the DOE initiative to explore the role of microorganisms in global carbon sequestration, the Joint Genome Institute is sequencing the autotrophic nitrifying bacterium Nitrosomonas europaea. This organism plays a central role in the availability of nitrogen to plants and hence in limiting C02 fixation. These bacteria are important players in the treatment of industrial and sewage waste in the first step of oxidizing ammonia to nitrate.
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
Valley Springs Snow Cream
Middle School, difficulty level 2. Compare the volume of a sphere, cone, and cylinder using ice cream.
Science Sampler : Fossil detectives
Middle school students are transformed into Fossil detectives as they examine the fossil record and use evidence about paleo-environments to develop an understanding of structure and function in living systems and changes over time in Earths history. In this enrichment activity, students work in teams to research an assigned geologic time period. They determine available habitats, food sources and types (animal, plant; woody, herbaceous, etc.), cover sources, methods of getting food, defense, an