Check out these tips when deciding to use an online source. Always be skeptical.
Authority: Who is responsible for creating the web page? Is there a publisher or sponsor of the web page? Can you find information about the author and publisher?
Audience: Who is this web site created for? Is the content geared towards an age group or population group?
Accuracy: How does the information compare to other sources?
Content: What is the content of the web site: images, articles, a blog? Can you detect a certain perspective? Are there cited references?
Currency: How recent is the web site? Is there information on when it was last updated?
Searchable content from McGraw-Hill’s Encyclopedia of Science & Technology; also provides definitions of scientific terms, biographies of scientists, research updates and news.
It also includes research updates from the McGraw-Hill Yearbooks of Science & Technology, definitions from the McGraw-Hill Dictionary of Scientific and Technical Terms, biographies of well-known scientists from the Hutchinson Dictionary of Scientific Biography® and the latest news in science and technology from Science News® and ScienCentral® videos.
A free online collection of information about the Earth, its natural environments, and human-environmental interactions. Search the site or browse topics such as biodiversity, climate change, environmental law and policy, physics and chemistry.
Scholarly, government and general-interest publications covering all aspects of human impact to the environment, including global warming, green building, pollution, sustainable agriculture, renewable energy, recycling, and more.
The database provides indexing and abstracts for more than 384,000 records, as well as Open Access full text for more than 4,700 records. Funded by the New Jersey State Library.
This multidisciplinary resource contains full-text journal articles, trade journals and consumer publications from 47 of ProQuest's most highly used databases, with a variety of content types across over 160 subjects. Subject areas include the arts and humanities, business, health, medicine, science, the social sciences, and news.
Over 950 full-text journals cover hundreds of topics relating to all major fields of study, including Astronomy, Biology, Chemistry, Earth Science, Engineering, and Physics.
In full-text format, researchers have access to all the charts, diagrams, graphs, tables, photos, and other graphical elements so vital to scientific and technical literature.
NASA’s Global Climate Change website hosts an extensive collection of global warming resources for media, educators, weathercasters and public speakers.
Science.gov searches over 60 databases and over 2,200 scientific websites to provide users with access to more than 200 million pages of authoritative federal science information including research and development results.