Goldfish external anatomy
Goldfish live in the water. They use their gills to breathe. Goldfish swim in water to move around. This goldfish has pectoral fins, pelvic fins, anal fins, and dorsal fins that it uses to swim. The tail is used to steer the goldfish wherever it is going.
Geranium bloom
Time-lapse photos or video show progressions from the start of an event to the end of the event. These time-lapse photos illustrate the opening of a geranium flower to absorb sunlight. Biological processes require time.
Prokaryotes and eukaryotes
This RLO describes the characteristics of eukaryotic and prokaryotic cells.
"Understanding Lasers and Fiberoptics, Spring 2008"
"Lasers are essential to an incredibly large number of applications. Today, they are used in bar code readers, compact discs, medicine, communications, sensors, materials processing, computer printers, data processing, 3D-imaging, spectroscopy, navigation, non-destructive testing, chemical processing, color copiers, laser "shows", and in the military. There is hardly a field untouched by the laser. But what exactly is so unique about lasers that makes them so effective? This brief video course i
Mises.org: Freedom Through Technology (〜2010å¹´)è¾²ç”£åŠ å·¥å¦æ¼”習　I What is the Professional Standards Framework? Working with the Creative Writing Benchmark Statement Writing & the Teacher Work the System The Oceans Time Dilation Equation NASA's Discovery Launch Dress Rehearsal Follow the Water How Lou Got the Flu How to Multiply Fractions Project Evaluation for Sustainable Infrastructure Mitral Valve Prolapse (Spanish) Colon Cancer (Spanish)
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What is the Professional Standards Framework?
Working with the Creative Writing Benchmark Statement
Writing & the Teacher
This fun Web site is part of Ology, where kids can collect virtual trading cards and create projects with them. Here, they are introduced to some of the ecosystems within the ocean. The article contains two engaging, kid-friendly sections: A Sea of Questions, a Q&A section that looks at a tropical mangrove ecosystem. Too Many Examples? SAMPLE!, in which ichthyologist Ian Harrison introduces kids to the process of sampling and then gives them the opportunity to virtually sample a mangrove swamp.
This site provides an illustrated lecture about ocean chemistry from a geochemistry course offered by Dr. Scott Wood at the University of Idaho. Topics include geochemical processes that occur in estuaries, halmyrolysis, the concept of residence time for elements in the ocean, the mechanisms by which elements are added to or removed from seawater, carbonate behavior in seawater and a definition of the calcite compensation depth (CCD), the role of hydrothermal processes in controlling seawater ch
This online article is from the Museum's Seminars on Science, a series of distance-learning courses designed to help educators meet the new national science standards. The article, which offers a simple demonstration of Einstein's Time Dilation Equation, is part of the Frontiers in Physical Science seminar. It uses the example of a light beam bouncing between two mirrors in a rocket to illustrate the theory, and includes a step-by-step look at the math involved in calculating the quantitative so
The Discovery astronauts train at Kennedy for the upcoming STS-124 mission. For more information see: http://www.nasa.gov
Water is a sculptor, a transport and a habitat creator among many other things.
This article from our family magazine series traces the spread of the flu virus from a duck in China to a young girl in Kansas. The article begins by introducing kids to Louise and the symptoms of influenza. On a series of clickable screens, they learn how the flu virus traveled from a duck to a pig to a farmer to a shopper to a student to Louise. A sidebar (But I Got a Flu Shot Last Year...) explains why influenza is trickier to outsmart than smallpox and polio. Another sidebar ("Microbes on th
How to Multiply Fractions in Algebra - this tutorial will show you how to multiply and divide fractions in algebra. This brief clip is clear and easy to understand. (01:43)
This course aims to provide the methods necessary to undertake project evaluation and cost benefit analysis for sustainable infrastructure. The methods comprise of microeconomics background, cost benefit analysis, valuing market and non-market goods, and other technical issues. Case studies of various infrastructures are also provided.
This patient education program explains mitral valve prolapse and offers tips for keeping the heart healthy. It reviews heart anatomy, symptoms, complications, diagnosis, and treatment options for mitral valve prolapse (MVP). This resource is a MedlinePlus Interactive Health Tutorial from the National Library of Medicine, designed and developed by the Patient Education Institute.
This patient education program explains what colon cancer is, the symptoms, diagnosis, and available treatment options. This is a MedlinePlus Interactive Health Tutorial from the National Library of Medicine, designed and developed by the Patient Education Institute.
