Science & Math
How to Do a Science Fair Project
Need help getting started on your science fair project? In this video series, a NASA Jet Propulsion Lab scientist, engineer and educator team up to help you learn how to craft your very own idea for a great science fair project and see it through to completion.
National Science Digital Library
An online portal for education and research on learning in Science, Technology, Engineering and Math. For students and educators from elementary through college. Funded by the National Science Foundation.
Today's top science news.
Searches over 55 databases and over 2100 selected websites from 13 federal agencies, offering 200 million pages of authoritative U.S. government science information including research and development results
The Why Files
The science behind the news.
World of Scientific Biography
Online encyclopedia of scientific biography. Fully searchable, and also browsable alphabetically.
Space Telescope Science Institute
Programs and information on the Hubble Space Telescope and more.
Star Charts from Weather Underground
Find interactive star charts based on your zip code.
World of Astronomy
Online encyclopedia of astronomy terms and formulas. Fully searchable, and also browsable alphabetically and by topic.
Animal Diversity Web
An online database of animal natural history, distribution, classification and conservation biology at the University of Michigan.
Identification, images, & information for insects, spiders & their kin for the United States & Canada.
Darwin's complete publication and supplementary works.
eNature Field Guides
Search or browse more than 5,500 plants or animals.
Encyclopedia of Life
Free online resource bringing together information about all life on Earth in text, images, video, sounds, maps, classifications and more.
Integrated Taxonomic Information System
Taxonomic information on plants, animals, fungi, and microbes of North America and the world.
IUCN Red List of Threatened Species
Extensive database of species that are threatened, endangered, or extinct.
Genetic science learning center.
University of California Museum of Paleontology
Online exhibits pertaining to the history of life on earth.
USDA PLANTS Database
Provides standardized information about the plants of the U.S. and its territories.
Interactive Periodic Table of Elements.
World of Chemistry
Online encyclopedia of chemistry terms and formulas. Fully searchable, and also browsable alphabetically and by topic.
What's That Stuff?
The chemistry behind a wide variety of everyday products.
Drinking Water Dashboard
A tool from the EPA's Enforcement and Compliance History Online database to track public water systems for compliance with the laws for safe and clean drinking water.
Earth Science World Image Bank
Quality geoscience images provided by the American Geosciences Institute.
Encyclopedia of Earth
An electronic reference about the Earth, its natural environments, and their interaction with society. The EoE is a free, expert-reviewed collection of content contributed by scholars, professionals, educators, practitioners and other experts who collaborate and review each other's work. Useful to students, educators, scholars, professionals, as well as to the general public.
Great Lakes Environmental Research Laboratory
Research and data on the Great Lakes ecosystem & environment.
Great Lakes Information Network
A wealth of data and information on the region's environment, economy, education, and more.
USGS Earthquake Hazards Program
Real-time Earthquake Map, hazard maps, and data.
A catalog of NASA images and animations of our home planet.
Water Resources of the United States
Water data, publications, and maps, from the U.S. Geological Survey
A computational knowledge engine that is more than a search engine. It gives you access to the world's facts and data and calculates answers across a range of topics.
Described as the web's most extensive mathematics resource, this site includes a Mathworld Classroom.
Fear of Physics
Visual demonstrations of the laws of physics.
World of Physics
Online encyclopedia of physics terms and formulas. Fully searchable, and also browsable alphabetically and by topic.