Science and Math

Most freely available web-based science and math dictionaries and encyclopedias are geared toward advanced secondary and post secondary/college students. Review the general reference and information portals by specific subject for authoritative subject-specific reference tools, and the lesson plan repositories designed for teachers.

MedlinePlus (http://medlineplus.gov). MedlinePlus will direct you to information to help answer health questions. MedlinePlus brings together authoritative information from NLM, the National Institutes of Health (NIH), and other government agencies and health-related organizations. Preformulated MEDLINE searches are included in MedlinePlus and give easy access to medical journal articles. MedlinePlus also has extensive information about drugs, an illustrated medical encyclopedia, interactive patient tutorials, and latest health news. Origin: G. Type: P. Audience: A.

Enchanted Learning’s Illustrated Scientific Dictionaries (http://www.enchantedlearning.com/science/dictionary/). Suitable for upper elementary and middle school students, Enchanted Learning’s dictionaries cover astronomy, botany, butterflies, dinosaurs, geology, hurricanes, landforms, math, rainforests, rivers, rocks and minerals, and more. The site is freely accessible; a subscription is available that provides a banner-ad free experience and more functionality including enhanced printing and downloading capabilities. Origin: C. Type: D. Audience: K, Y.

Wolfram Research Mathworld (http://mathworld.wolfram.com/). Sponsored by the authors of Mathematica, a high end mathematics program, this site is a free service provided by Wolfram Research with additional support from the National Science Foundation. Features an encyclopedia approach to foundations of math, algegra, geometry, calculus and advanced topics. High school and up for the most part. Origin: C. Type: D. Audience: A.

Wolfram Research Scienceworld (http://scienceworld.wolfram.com/). Similar to the Mathworld site above, covering astronomy, chemistry and physics. Origin: C. Type: D. Audience: A.

Legend

C-Commercial. G-Government. N-Nonprofit.
P-Portal. L-Link. D-Destination.
A-All. K-Kids. Y-Young Adults. T-Teachers

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