ChemicalElements.com
www.chemicalelements.com
Up to date facts about chemical elements with illustrations.

Encyclopedia of Earth
http://www.eoearth.org/
An electronic reference about the Earth, its natural environments, and their interaction with society. The Encyclopedia is a free, fully searchable collection of articles written by scholars, professionals, educators, and experts.

Google Mars
www.google.com/mars
Google, in collaboration with NASA researchers at the Arizona State University, has created some of the most detailed scientific maps of Mars ever made. Have fun exploring these surface maps of the Red Planet.

How Stuff Works
www.howstuffworks.com
Detailed & well illustrated explanations of How Stuff Works.

PLANTS Database
plants.usda.gov/
The United States Department of Agriculture PLANTS Database provides standardized information about the vascular plants, mosses, liverworts, hornworts, and lichens of the U.S. and its territories.

The Plant List
www.theplantlist.org/about/
The Plant List is a working list of all known plant species. Version 1, released in December 2010, aims to be comprehensive for species of Vascular plant (flowering plants, conifers, ferns and their allies) and of Bryophytes (mosses and liverworts).

PopSci Archives
www.popsci.com/archives
Popular Science magazine has placed the entire 137 year archive of their publication online for free browsing.

PubChem Project
pubchem.ncbi.nlm.nih.gov
PubChem is a search tool for chemical information divided into three areas: Compounds, substances and BioAssays. Provided by National Center for Biotechnology Information , National Library of Medicine and National Institute of Health.

Science.gov
www.science.gov
U.S. government science portal. Science.gov searches over 36 databases and 1,850 selected websites, offering 200 million pages of authoritative U.S. government science information, including research and development results.

Scirus
www.scirus.com
Scirus is the most comprehensive scientific research tool on the web. With over 450 million scientific items indexed at last count, it allows researchers to search for not only journal content but also scientists' homepages, courseware, pre-print server material, patents and institutional repository and website information.

Weather Underground
www.wunderground.com
Worldwide forecasts and detailed weather information.

Webelements.com
www.webelements.com
The periodic table on the web.

Click here for Science databases provided by Cranston Public Library.

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