General

Calculator's On-Line Center - Part III Science A-Z

Information from Archaeology / Anthropology to Radiation from Martindale's "The Reference Desk."

Dictionary of Scientific Quotations

Quotations and their source from Archimedes to Wooley.

How Stuff Works

This site offers simple, clear explanations of how things work from car engines to VCR's and even bread. You may scroll down the page or click on the Power Panel for a search index.

The Last Word

Everyday science questions and answers.

Old Farmer's Almanac

Weather forecasts, heavenly details, sun, moon and planets, rise and set times.

Public Library of Science Biology Journal

New scientific publication featuring free works of significance in all areas of biological science, from molecules to ecosystems, interfacing with other disciplines such as chemistry, medicine and mathematics. Content will develop as issues are added.

Sams Photofact Online Index

Index to help identify and locate electronic schematics repair documentation by number.

Science.gov FirstGov for Science

The gateway to reliable information about science and technology from across Federal government organizations. Agencies covered are the Departments of Agriculture, Commerce, Defense, Education, Energy, Health and Human Services, Interior; Environmental Protection; National Aeronautics and Space, and National Science Foundation.

Science Fair Project Resource Guide

Provides the necessary requirements and resources to complete a science project. Information supplied by Kidspace of the Internet Public Library.

Science Reference Services

From the Library of Congress, contains “Science Tracer Bullets” with histories and bibliographies, along with Science Reference Guides, and Internet Resources covering many science and technology topics.

Statistical Reports of U. S. Science and Engineering

SRS information on 14 periodic surveys.

Time Zones / Tides / Sunrise / Sunset

10,000 Year Calendar

View a month or year calendar for any year from 1 to 10000 A.D. All leap years and calendar changes are accounted for.

Official U.S. Time, The

Current time for U.S. time zones, also includes information about timekeeping history under Time Exhibits.

Tide Tables from NOAA

Current and 4-day predictions. Some historic information.

Worldwide Time Zones - Isbister International

Gives the current times for locations world-wide.

Automobiles

Kelley New and Used Cars

Car prices from the National edition.

Edmund's Automobile Buyer's Guides

Provides pricing guides for new and used cars and trucks. Includes road test results, information on recalled vehicles.

NADA Guides

New and used car pricing and car buying information and resources. In addition, the site offers free values for classic cars, motorcycles, antique motorcycles, boats, personal watercraft, snowmobiles, ATVs, RVs, SUVs, trucks, minivans, aircraft and manufactured housing.

Astronomy & Physics

Astronomy

Asteroid Comet Impact Hazards

From the NASA Ames Space Science Division. All known earth-crossing asteroids are listed, and predictions of asteroid/comet close approaches to the earth.

Comet Observation Page

Information on currently visible comets with information on cometary astronomy.

International Meteor Organization

Site contains a list of meteor showers, observation information, glossary and more.

Heavenly Details

Old farmer's Almanac lists solar/lunar eclipses, and full moon dates for seven years. Includes current month information.

NASA Homepage

Aeronautics and space research information.

The Nine Planets

Everything about planets in our solar system.

Sky Information

Griffith Observatory site includes Sky Report, Eclipses, Moon Phases, Moonrise / Set, Sunrise / Set, Sun's Path, Tide Tables, Astronomical Zodiac, and Planetary Alignments in 2000.

Physics

Calculator's On-Line Center - Part III Science/Physics and Astrophysics

Astro-Physical Units to Wave Interaction & Simulations.

National Institue of Standards and Technology (NIST) Reference on Constants, Units and Uncertainty

CODATA Internationally recommended values of the Fundamental Physical Constants. Search for value by name (i.e. speed of light).

Chemistry

ATSDR ToxFAQs: Hazardous Substance Fact Sheets

Agency for Toxic Substances and Disease Registry's alphabetical index of toxic substances and diseases.

Abbreviations of Chemical Compounds

Includes Acronym database.

Calculator's On-Line Center - Part III Science / Chemistry

Chemistry - Unit Conversion to X-ray Interactions with Matter.

Chem-Finder Database

Locate common types of chemical information. Search by a chemical name, formula, molecular weight, or CAS Registry Number.

Fundamental Physical Constants

Freie Universität Berlin, Chemistry Department site.

Periodic -Web Elements

Complete table of elements, atomic weights, etc.

Toxic Release Inventory

Information from the Environmental Protection Agency on toxic substances released in the environment includes State Fact Sheets with facilities and chemicals listed.

Earthquakes

SCEC Data Center: So.Calif. Earthquake Center

Caltech site. Latest seismographic information. Includes maps and historical information.

USGS Earthquake Information

United States Geological Survey latest earthquake information.

Geology & Oceanography

Global Vulcanism Program - Volcanos of the World

10,000 years of volcanic eruptions. Keyword search, alphabetic and geographic indexes.

Glossary of Oceanography and the Related Geosciences with References

Terms, abbreviations, and acronyms used in oceanography and related fields.

MTU Volcanoes Page

Current global activity.

Volcano World

Research and information on volcanoes around the world.

Inventors / Inventions

See “Biography“

Life Sciences

Biology

Bio Tech

Collection of life sciences resources and reference tools with extensive information on biochemistry and biotechnology. Features a life sciences dictionary, chemical acronyms database and annotated web links to other sites.

BiologyBrowser

Free web site by Biosis offering resources for the life sciences community. Searchable by organism, subject and geographical region.

Discover the History of Life

University of California, Berkeley Museum of Paleontology collection that provides material on phylogeny, geology and evolution, as well as educational materials at the university, K-12, and general interest levels.

Encyclopedia of Life

An emerging online reference and research tool that aims to document all the species known to humanity. The resource is being built by interactive contributions taken from Google Search, Wikipedia, and interested people. The site is overseen by experts editing the material.

Botany

CalFlora Database

California flora data.

Garden Web

 

National Plants Database

United States Department of Agriculture Natural Resources Conservation Service.

Zoology

Animal Information

 

California Department of Fish & Game

Information on habitat conservation, threatened & endangered species, wildlife programs.

The Electronic Zoo

Comprehensive animal information site. Includes zoo information.

Endangered Species Home Page

Information about U. S. threatened and endangered animal and plant species.

The Virtual Frog

Dissect a frog without having to touch one.

Measurements / Mathematics

Calculators On-Line Center / Mathematics

Basic Math Calculators, Unit Conversion Calculators, Slide Rule, Arabic / Roman / Mayan, Abacus, Knot Theory, Linear Equations, Logarithms, Math Animations, Trigonometry, and Rational Numbers.

Common Weights And Measures

Includes mathematical notation for orders of magnitude, metric prefixes, and common U.S. and metric equivalents

Conversion Factors

Many methods, comparisons and examples.

World of Mathematics

“The web’s most extensive mathematics resource”. Covers astronomy, biography, chemistry, mathematics and physics providing equations, definitions, explanations and more.

Weather & Meteorology

L.A. Weather Forecast

Four-day forecasts. Includes forecasts for AZ, NV, UT. Monthly City Almanac.

Welcome to WeatherPost

Forecasts for 220 countries & 3600 cities. Archival historic weather data.

The Weather Channel

Breaking Weather, Tropical Update, U.S. City Forecasts, International City Forecasts, Maps, and Travel Wise.