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Right to Know Hazardous Substance Fact Sheets
Information on hazardous materials.
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SciCentral
A science index pointing to more than 50,000 specialized sites picked by professional scientists. Has a K-12 section for students.
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Space Place
Demonstrates and explains scientific concepts related to astronomy in a fun, hands-on manner.
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Stephen Hawkings Universe
From the PBS series, this site provides information on astrophysics as well as links to other sites.
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Texas Commission on Environmental Quality
Regulatory and environmental information for Texas.
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Tree of Life
Searchable tree of life with graphics, bibliography, and webography.
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U.S. Patent and Trademark Office
Free searchable databases of patents and trademarks, as well as information on the patent process, depository libraries, and related topics.
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Web Elements
A periodic table of elements with description, history, uses, atomic structure and additional detailed information for each element.
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Conversion Chart
Convert just about anything to anything else. Over 5,000 units, and 50,000 conversions.
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PC Guide
One of the best sites for detailed personal computer help. Tips on how to build, repair and understand your home personal computer.
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Chemical Reference Web Pages
Safety data on hundreds of hazardous chemicals.
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Chemical Scorecard
Find out about pollution in your community: who the violators are, what chemicals are being released, how they affect your health and what you can do.
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Conversions for Unit Measurements
Convert between many different units of measurement for area, length, speed, temperature, time, etc.
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Common Equivalent Weights and Measures
Find the metric equivalent and U.S. equivalent of many common units of measure.
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Dictionary of Units of Measurement
Comprehensive dictionary of units of measure including science, math, engineering, and everyday units.
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Dino Russs Lair
Resource for dinosaur information, news, programs, and pictures.
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EPA Global Warming Site
A U.S. government site on global warming with illustrations, bibliography, and other links.
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Endangered Species
Information about endangered species, including legislation, lists, and educational resources.
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Forces on an Airplane
A NASA site on aerodynamics with lots of graphics and definitions. Grades K-12.
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Healthypet (AAHA)
Health issues for pets.
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How Stuff Works
Clear explanations, diagrams, and links for parts and functions of common technology, machines, and other things we see everyday.
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IBM Intellectual Property Network
A premier web site for searching, viewing, and analyzing patent documents.
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Mars Millennium Project
This project involves students in designing a community for humans on Mars. The city of Houston has been chosen as the pilot site.
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Minerology Database
Description and classification of minerals. Links to other related sites.
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NASA Popular Topics
The most interesting and popular content produced by NASA.
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Neuroscience for Kids
The nervous system is explained in text and illustrations designed for children. Activities and experiments are provided.
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Calculators On-Line Center
Access to thousands of calculators to make computations in a wide array of subject areas.
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Botany.com
A gardening encyclopedia, giving a description, cultivation methods, and varieties for indoor and outdoor plants.
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USDA National Agriculture Library
Database that indexes material on all aspects of agriculture.
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Academic Press Dictionary of Science and Technology
Search for specific scientific or technical terms, or browse broad subject areas.
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Aggie Horticulture
Information on gardening, wildflowers, crops, extension service & related topics from Texas A&M.
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Amazon Interactive
Facts and maps about the Amazon and the rainforest.
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Animal Omnibus
This directory of animal web sites lets you search by animal group (birds, mammals, etc.) or by the animal's common name. It also lists places to find maps.
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Ozone Hole Tour
History, progression, and science of the ozone hole.
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Online Resources 