| History of Measurement |
| Learn about the history of measurement. |
| How Many? |
| A dictionary of units of measurement. |
| Metric Measures (NIST) |
| Metric activities for kids from the National Institute of Standards and Technology. |
| Metric Numbers to Remember |
| This table contains numbers that people often memorize. Many of these are nicer round numbers, and easier to remember, in metric units than in old-fashioned units. |
| National Institute of Standards and Technology/Metric Program |
| This page sponsored by the National Institute of Standards and Technology is a good resource for information about transforming the United States into a 'Metric America.' |
| Surveyor's Basic Tools |
| One of the main tasks of a surveyor is to measure the surface of the Earth. Check out some early tools used by the surveyor and find out about their purpose and uses. |
| Tryscience.org Field Trips |
| Find out about more than 400 science and technology centers and museums worldwide. Use an interactive map of the world to find and explore a science and technology center or museum near you. You can also find online adventures and field trips, ideas for experiments at home, plus live webcams. TryScience.org is your gateway to experience the excitement of contemporary science and technology through on and offline interactivity with science and technology centers worldwide. TryScience is brought to you through a partnership between IBM Corporation, the New York Hall of Science (NYHOS), the Association of Science-Technology Centers (ASTC), and science centers worldwide. |
| The Weather Channel |
| Another site that gives recent weather reports around the world. |
| Weather Underground |
| Get the latest weather and historical weather data from around the world. See the static and moving satellite maps of regions all over the world. View the weather forecast to help plan night sky viewing. |
| Wonderwise: Women in Science Learning Series |
| Introduces you to women who have made science their career. You can take several field trips, including space geology, African plant exploration, and urban ecology. |
| World Factbook |
| The World Factbook is prepared by the Central Intelligence Agency for the use of US Government officials, and the style, format, coverage, and content are designed to meet their specific requirements. This site includes climate information for different countries. |
| WorldClimate |
| WorldClimate.com contains over 85,000 records of world climate data (historical weather averages) from a wide range of sources. |
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