Science Directories and Gateways

Biological Sciences - Intute
Encyclopedia Smithsonian
MERLOT - Learning Resources
NASA Education
National Geographic for Kids
National Library of Virtual Manipulatives
National Science Digital Library - Education Resources
National Science Foundation
Natural Sciences WikiBooks
New Scientist - Questions and Answers
NIH Office of Science Education
NSTA Science Sites
Physical Sciences - Intute
Popular Science.com
Recent Discoveries 2000
Science  Jefferson Lab - Teacher and Student Resources
Science - Galaxy Directory
Science  - Learner.org
Science and Technology - MERLOT
Science and Technology Web Gateways 
Science Beat - Berkeley Lab
Science Centers and Museums
Science Education Gateway
Science Gems- Frank Potter
USGA and Science Education

Science Lesson Plans - Smithsonian Education
ScienceMaster
ScienceNet Links 
Science Resources - LII


Science Standards

Benchmarks for Science Literacy
National Science Education Standards
National Science Education Standards Overview
Scientific Method
State Science Standards


Science Search Engines

SciSeek - Science Search Engine 
Scirus - Scientific Information Search


History

Health and Science Timeline
History, Inventions and Biography Resources
History of Science and Technology

Astronomy and Space

Aerospace Links
Astronomical Observations
Here Comes the Sun - Solar Terrestrial Tutorial

Lunar Phases Tutorial
Science Education Gateway - Space Science
Windows to the Universe

Chemistry

Chemical Elements-Periodic Chart
Chem4Kids 
ChemTutor
Chemistry A Level - S-Cool
Chemistry Based Quicktime Animations
Chemistry Tutor - Think Quest
Chemistry Tutorial
Chemistry University Lectures
Elemental Data Index
General Chemistry Online

Green Chemistry Education Resources
Molecular Universe
Organic Chemistry Resources 
Organic Chemistry Terms
Organic Chemistry Tutorials
Organic Chemistry Tutorials
Periodic Table Quiz Questions
Periodic Table- Web Elements
Science and Chemistry Tutorials
Web Elements - Periodic Table of Elements

Earth Science

Earth

Agriculture Related Links
Earth and Environment Classroom Resources
Earth and Live Studies - Resources for Teachers
Earth and Space Science Curriculums
Environmental Careers and Web Links
Earth and Moon Viewer
Earth Facts and Statistics
Earth Observatory - NASA-
Earth Science Data
ExploreZone-Earth, Space, Weather,Science News
Global Positioning Stations - Clickable Map
GPS - All about
GPS, Maps and Compass - USGS
NASA Education - Science Resources
Our Changing Earth - Franklin Institute
Planet Earth Hot List Weather, Climate Pollution
Plate Tectonics
Windows to the Universe


Earthquake and Volcano

About Earthquakes
Earth Floor
Earthquakes - USGS
Photo Glossary of Volcano Terms
Richter Magnitude
Volcano Activity and Hazards Resources
Volcano Resources for Educators
Volcano World
How Volcanoes Work


Paleontology

FAQs about Paleontology
Museum of Paleontology
Paleontology Portal

Geology

Geologic Time Chart
Geologic Survey - US
Geology
Geology.com
Geology and Earth Science
Geology Definitions
Geology Glossary
Geology of National Parks
Geoscience Center
Geological Survey- Learning Web
How Rocks are Formed
Understanding Geological Time
US Geological Survey
What is Geology
What is a Rock-What is a Mineral


Minerals and Mining

Metals Links and Resources
Mineral and Gemstone Kingdom
Mineral and Rock Names - Etymology
Mineral Education Links - Women in Mining
Mineralogist Links
Mineralogy Database
Mining and Quarrying Industry Career Guide
Virtual Cave
Virtual Caves - Browse the Wonders of Caves


Rocks and Minerals

Earth's Treasury Guide
Mineral and Gemstone Kingdom
Mineral Matters
Rocks for Kids
The Rock Cycle
Rock Watch
Virtual Quarry

Energy and Power

Alternative and Renewable Energy Links

Electricity Links and Career Resources

Engineering

Engineers Edge - Design, Specs, Materials, Calculators
Engineering Careers and Web Resources
Engineering Learning Resources - MERLOT
Kepler's Second Law - Java Interactive Tutorial
Remote Sensing Tutorial
Temperature Tutorial - About Temperature
Open and Free Couses - Tutorials
Physics and Electronics Learning Resources

Control Of Stepping Motors - Tutorial
Electrical Circuits Basic Theory
Electrical Engineering - University Lectures
Electicity and Manetism Resources
Electricity Tutorials
Electron Microscope
Electronics Links and Career Resources
Electronics Tutorials

Environment

Earth and Life Studies Reaources
Ecology and The Environment
Ecosystems

Pollution
Recycling
The Habitable Planet

Environment Directories
Environment Topics - EDIS
Conservation
+

Life Sciences

Life Sciences

Biology - S-Cool
Biology Learning Resources - Merlot
Biology University Lectures
Classification of Living Things Tutorial
Plants
Horticulture Botany Links
Plant Identification
Plant Biology
Agricultural Links
Botany, Biology  and Horticulture Links
Pre-Med - Univerity Lectures

Humans

On-Line Biology Book
Hair
Skin
Nails
Health Career Guide
Health and Medical Links
Human Physiology WikiBook
Diseases and Disorders

Animals

Agricultural Links
Anatomy and Physiology of Animals - WikiBook
Amphibian Embryology Tutorial
Animal Science Career Links
Cat Anatomy Tutorial
Dissection of Sheep's Brain Tutorial
Zoonotic Diseases Tutorials
Pests and Pesticides
Science and Nature - Animals

Physics

Center for History of Physics 
Fear of Physics 
HyperPhysics - Physics Tutorials
Laws of Physics
Learning Physics
Martindale's Physics Reference Desk
Math - S-Cool
Math Links - Calculators and Converters
Math Physics Index
Mechanics - Intro to Physics
Physical Science-BUBL
Physical Science- Homework Center
Physics - S-Cool
Physics Central

Physics for Free, Essential Physics 1 Textbook
Physics of Amusement Parks
Physics Study Guide - WikiBook
Physics Textbook- Physics for Free
Physics 2000
Physics Classroom
Physics Tutorial
Physics Resources - About.com
Physics - University Lectures
Physics Web
PhysLINK
PSI - Physical Science Information Gateway
The Physics Zone
Zona Land - Physics and Mathematics

Water

Ocean and Marine

Algae - What are they
American Heritage Rivers
Aquaculture
Coastal Shoreline Website NOAA
Cool Classroom - Marine and Coastal Guide
Endangered Seas
Marine Life
Marine Biology
Ocean Circulation
Ocean Data Resource
Oceanography - Science and Technology
Our World of Water
Physical Oceanography
Scripps Institute of Oceanography
Tides and Tide Prediction
Tides - What are they
Tides Tutorial
Wetlands Fact Sheets - EPA
What are Wetlands
What Makes the Tides

Water General

American Rivers Online - Endangered
Bridging the Watershed
Clean Water - Water Stewardship
Eastern Waterfall Guide
Ecosystems - Freshwater
Endangered Aquatic Habitats
Great Lakes Information Network
Groundwater Foundation
Groundwater Forum
Groundwater - What is it
Office of Water - Kid's Page
Shoreline Education
Water Data Resources in the US
Water on the Web
Water Properties
Water Science for Schools
Water Resources - Environmental Web Directory
Water Watch - Maps and Graphs of Currents

Weather and Air

Air

About Rainbows
About Temperature
AccuWeather
Archimedes Home Page
Atmospheric Sciences
Hydrologic Cycle
Heat Index Chart
Wind and Sea- NOAA


Climate

Climate Change and Our Planet
Climate Change Primer
Climatology
Climatology Prediction Center - NOAA
Earth's Changing Climate
National Climatic Data Center


Measuring Weather and Weather Symbols

How to Read Weather Maps
Measuring the Weather
Symbols - Interpreting Surface Observation Symbols
Symbols - Weather Symbols with Labels
Weather Map Symbols
Weather Station - Make Your Own
Weather Symbol Chart
Wind Chill Chart - Unisys

Storms

Extreme Weather and Climates
Extreme Weather - Wikipedia
Hurricanes Online Meteorology Guide
Hurricane Tracking Chart
National Hurricane Center
Understanding and Tracking Storms


Weather  Resources

Department of Meteorology - U of Utah
Hurricanes: An Online Meteorology Guide
Meteorology Guide
NOAA Home PageNational Weather Service
The Place for Weather - Penn State
The Weather Underground
Unisys Weather Resources
Weather - Wikipedia
Weather and Climate Learning Resources - S-Cool
Weather Education Outreach
Weather Exhibits Collection
Weather Forecasting
Weather Glossary
Weather Links for Over 1500 US Cities
Weather Words - Weather Wiz Kids

Science Education Resources and Science Fair Resources

Regents Exam Prep Center - Science, Phys, Chem Tutorials
School Science Fair Projects - By Grade Level
Science Activities - Franklin Institute
Science Fair Central
Science Fair Handbook, Anthony D. Fredericks, Ed.D.
Science Fair Ideas - Ventura County
Science Fair Project Resource Guide
Science Fair Projects
Science Fair Projects for Kids
Science Fair Theme Page
Science Fair Topic Index
Science Fairs - EM Tech
Science Fairs -  WWW Virtual Library
Steps in Science Fair Project
The Scientific Method
The Scientific Method - WikiBook

Biology Science Fair Project Ideas
California State Science Fair Getting Started-
Clipart Links for Projects
Creating Winning Science Fair Projects
Data, Facts and Statistics Links
Energy and Science Projects for Students
Ideas for Science Fairs
Judging Sheet Sample
Lesson Plans, Activities and Projects
Science Directories and Gateways
State and National Math and Science Standards
Kid's Science Projects - The Science Club
NASA Science Projects 
Project Ideas
Process Circus - Developing Inquiry Based Process Skills
Questions: Who, What, Where, When, Why and How

Science Lesson Plans and Classroom Activities

Agriculture Related Lesson Plans
Animal Related Lesson Plans
Conservation Education Materials - K-12
Electricity Related Lesson Plans
Engineering Related Lesson Plans
Health Related Lesson Plans

Horticulture Related Lesson Plans
Ideas - Interactive/Standards Lesson Plans
Food Science Related Lesson Plans
Learning Landscapes - Classroom Activities
NASA For Educators
Science Learning and Literacy
Vocational and Career Lesson Plans
Wind and Motion Activities - Project to Make