GEOSCAN Database
Provided by Natural Resources Canada and part of the Earth Sciences Information Centre, GEOSCAN Database boasts a bibliographic database that contains "over 40,000 records covering all the publications of the Geological Survey of Canada." Users can search by basic keyword, title, author, subject, location, year, etc. Results can be displayed by various formats and can be selected for later review, and many include links to the publication's full text, which can be accessed free of charge. The ea
Soap and Bubbles
The first Web site, from The Soap and Detergent Association, is called Soaps and Detergents (1). Visitors learn about the chemistry of soap and detergent, their history, how they're manufactured, and more. The easily read text and fun illustrations make this site a great place to start for this topic. The next site, called Bubble Engineering (2), is provided by Bubble Town. The page describes the physics of a cone-shaped bubble blowing device and how its shape reduces the velocity of air being b
Predictions 2005
Gartner, Inc., which provides research and analysis on the global IT industry for clients worldwide, offers annual predictions for the year ahead in the areas of technology, application, and industry. This section of the website highlights the firm's 2005 predictions for technology. Some of the technologies addressed in this issue include open source software, public network infrastructure, and mobile and wireless technologies. The full document must be purchased, but visitors may browse through
Cell Biology and Cancer
The National Cancer Institute, part of the National Institutes of Health, has recently released this curriculum supplement as part of a series designed to "deepen students' awareness of the importance of basic research to advances in medicine and health," as well as foster critical thinking and an understanding of how scientific discoveries affect their own lives. The Web site offers five outstanding student activities (grades 9-12) regarding cancer and cell biology. Some of these activities hav
National Center of Competence in Research (NCCR) on Climate
The National Center of Competence in Research (NCCR), based in Bern, Switzerland, studies climate change and its impacts on society through "reconstruction of past climate; study of key physical, chemical and ecological processes; and a concerted effort to develop procedures for seasonal forecasting as well as the forecasting of extreme weather events." This extensive website offers summaries of the goals, methods, status, and results for the NCCR's fourteen main projects. While some of the publ
Center for Earth and Planetary Studies Research and Publications
The Center for Earth and Planetary Studies (CEPS), which is part of the Smithsonian's National Air and Space Museum, "conducts an active research program in planetary and terrestrial geology and geophysics using remote sensing data from Earth-orbiting satellites and manned and unmanned space missions." The Research portion of the site allows visitors to view the many projects that have taken place, such as the Topographic Mapping of Mercury project being conducted by Dr. Anthony Cook. Each page
ESA: Launchers
The European Space Agency (ESA) furnishes thorough articles and images regarding its launch vehicles, Europe's Spaceport, and technology. Users can find out ESA's launch schedule, plans for next generation launchers, and the past successes of the launch program. The website offers a video of a launch countdown, images of the Ariane 5, and many more media materials. Through the interactive modules, individuals can learn about the stages, boosters, engines, and additional specifics of the launcher
Jen's home of multicultural math games
This website includes descriptions of three mathematical games from different cultures: Mancala, a counting game from ancient Egypt; Rithmomachia, a 'battle of numbers' board game dating back to 1150 and used by Roger Bacon to teach arithmetic; and To-pe-di, a Native American game of chance. Each game is illustrated. Other terms: geometry, Boethius, Pythagorean number theories, dice sticks. (Includes 5 references)
Introduction to Scanning Probe Microscopy
This learning module teaches the principles behind scanning tunneling microscopy and atomic force microscopy. The module includes example applications and ample literature citations.
GC Splitless Injection Animation
This site is one in a series of sites with very good animations related to separations. This animation deals specifically with splitless injection in GC. The animations are short (one to two minutes) and can easily be shown in class as part of a lecture. They are extremely helpful in illustrating key components and concepts of chromatographic systems. Users are encouraged to explore the site and the other brief animations as well. Separate links to other simulations by the same company (TRSL) ar
Basic Electronic Tutorials On AC, DC, Semiconductor, and Digital Theory
This website serves as an excellent tutorial on basic AC and DC electronics, semiconductor operation and digital theory. Experiments are included to illustrate these concepts. The material is sufficiently comprehensive and is highly recommended as a starting point for students interested in learning about basic electronics.
Introduction to Signals and Noise: eLearning Module
Basic concepts of signals, noise, and extraction of data from noisy signals are presented as an e-learning module. Excel spreadsheets allow students to vary noise parameters. Basic electronics ideas relating to RC circuits support introductory information on filters
Exploring The Forces of Tension
Students will review their knowledge of tension and focus on tensile loads and failure caused by them.
Floating and Falling Flows
Students discover fluid dynamics related to buoyancy through experimentation and optional photography. Using one set of fluids, they make light fluids rise through denser fluids. Using another set, they make dense fluids sink through a lighter fluid. In both cases, they see and record beautiful fluid motion. Activities are also suitable as class demonstrations. The natural beauty of fluid flow opens the door to seeing the beauty of physics in general.
Introduction to Statistics
Introduction to Statistics. Random Variable, Mean, Variance, Standard Deviation and Mathematical Expectation. Discrete Distributions: Bernoulli trials and Bernoulli distribution, geometric distribution, Poisson distribution. Continuous Distributions: random variables of the continuous type, uniform distribution, exponential distribution, gamma distribution, chi-square distribution, normal distribution, t-distributions. Estimation: biased and unbiased esimators, convidence intervals for means, co
Strum Along
Music and sound are two different concepts that share much in common. Determining the difference between the two can sometimes be difficult due to the subjective nature of deciding what is or is not music. The goal of this activity is to take something constructed by students, that would be normally classified as just sound and have the class work together to make what can be perceived to be music. Students will construct a basic stringed instrument made of a shoebox and rubber bands. This activ
Time Flies When You're Having Fun!
These activities will give you practice in telling time. First, try Matching Time at this website. Telling the Time is easy if you practice! Please tell me, What Time Is It?
3.6 End of seciton exercises
Are you about to undertake a PhD in science, technology or mathematics? If so, this unit will help you to examine your work processes. You will consider and develop the nature of postgraduate work and look at the planning of work needed at doctoral level.
Strength of Materials
Students learn about the variety of materials used by engineers in the design and construction of modern bridges. They also find out about the material properties important to bridge construction and consider the advantages and disadvantages of steel and concrete as common bridge-building materials to handle compressive and tensile forces.
Leading the Global Education Debate
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