الفرق بين المراجعتين لصفحة: «مصادر كيمياء»

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مجموعة مصادر تعليمية وعلمية حول الكيماء
مجموعة مصادر تعليمية وعلمية حول الكيماء


* ChemCompass
* <big>[http://www.chemie.fu-berlin.de/chemistry/index.html Chemistry Index / Chemie-Index]
A database of products, companies and services for the chemical sector. Full-text search is available in English and German and by market, company, product, category and brand.
مجموعة روابط لقواعد بيانات كثيرة منوعة، بما فيها فهارس أسماء كيميائية، ثوابت فيزيائية أساسية، نظام الوحدات الدولية، SI وعوامل تحويل
مثال: الرابط الموصل لقاعدة بيانات الحموض الأمينية يقدم معلومات عن اللرمز والوزن الجزيئي ورقمCAS ورسم للصيغة الجزيئية.</big>


* General Chemistry Online!
* [http://acswebcontent.acs.org/home.html chemistry.org] - The Website of the American Chemical Society
An extremely helpful and well-reviewed site containing: Companion Notes (Hyperlinked notes and guides for first semester general chemistry), Chemistry Exam Survival Guide (Skills checklists and online self-grading examinations), an index of self-guided tutorials, quizzes, and drills on specific topics, FAQ (Answers to over 300 frequently asked ques ...
<big>موقع الجمعية الأمريكية للكيمياء، وفيه أخبار ومصادر للمهني والمعلم والطالب من مختلف المراحل الدراسية.</big>


* [http://www.organic-chemistry.org/ Organic Chemistry Portal]
<big>كل شيء عن '''الكيماء العضوية''' بما فيها مجموعة صيغ كيميائية يمكن البحث فيها، وآخر الأخبار من المجلات المختصة، ومراجعات لكتب الكيمياء العضوية، وروابط لموقع نظير باللغة الألمانية
</big>


* ENI.g: Periodic Table of the Elements
Periodic Table of Elements presented in 6 languages: German, English, French, Croatian, Italian and Spanish with in depth information for each element. Includes a scientific and molecular weight calculator. Offers printable PDF materials and other misc.


* Chemistry Quick Facts
* [http://www.combichemistry.com/ Combinatorial Chemistry Review]
Get the facts on the elements, listed alphabetically, by density, atomic number, melting and boiling points or electron configuration. Also contains quick guides to noble and precious metals and radioactive elements.
<big>الكيماء التركيبية</big>
مقدمةواسعة عن هذا الاختصاص المهم في اكتشاف الأدوية الجديدة وغيرها وفي الموقع شرح عن التطبيقات


* Organic Chemistry Portal
* [http://www.chemie.fu-berlin.de/cgi-bin/abbscomp/molform Abbreviations of Chemical Compounds]
A site all about organic chemistry, including searchable collection of formulae, recent news from scholarly journals, and reviews of organic chemistry books. Links to sister site Organischen Chemie in German.
<big>فهرس يمكن البحث فيه لاختصارات المركبات الكيميائية</big>


* [http://www.periodni.com/ ENI.g: Periodic Table of the Elements]
'''جدول العناصر الدوري بعدة لغات ومعلومات عن كل عنصر'''


* Combinatorial Chemistry Review
*[http://www.chemicalelements.com/ Chemical Elements] -- An Interactive Periodic Table of Elements
Combinatorial chemistry is a new and exciting chemical methodology that influences all forms of chemistry, especially the discovery and creation of new pharmaceuticals. This site gives a detailed introduction and explanation to its different components and applications. The Combinatorial Chemistry Review does contain many technical terms but also ...
'''جدول العناصر الدوري التفاعلي'''


* chemistry.org - The Website of the American Chemical Society
* [http://periodic.lanl.gov/index.shtml A Periodic Table of the Elements] مصدر ملون عن الجدول الدوري للعناصر ، يقدمه مختبرات لوس آلاموس الأمريكية
This is the website of the American Chemical Society (ACS). It contains information about ACS and ACS membership but also provides news and resources for professionals, educators, students of from K-12 to graduate school and all kinds of enthusiasts for chemistry.
 
*Chemical Elements -- An Interactive Periodic Table of Elements
Interactive Periodic Table based on element name, atomic number, atomic mass, boiling and melting points, date of discovery, and crystal structure. It also explains each element as well as the different element groups.
 
* Gaussian Basis Set Order Form
Allows you to extract Gaussian basis sets, and any related effective core potentials, from the Molecular Science Research Center's Basis Set Library. A user may request the basis set be formatted appropriately for a wide variety of popular electronic structure packages. In addition to the exponents and contraction coefficient which define the basis ...
 
*Chemical Education Resource Shelf
"Listings include the authors, title of the book, edition, publisher, year of publication, ISBN, and price. Prices quoted are usually "net" prices (what bookstores are charged), but many "list" prices also are included. If we have been able to locate a review of the textbook, a reference to the review is cited."
 
* Reade Advanced Materials
Follow the Resources link to find significant reference and educational information from Reade, a commercial chemicals company. Includes background briefings on particles, molecules & angstroms, a large MSDS safety library, dust explosion safety information on various powders, and lots of other great technical information.
 
 
* Table of the Nuclides
"A clickable chart presenting all known nuclides."


* [http://www.chemistry.patent-invent.com/chemistry/index.html Chemistry Quick Facts]
حقائق عن العناصر، بقوائم ألفبائية


* The EXtension TOXicology NETwork
* <big>[http://www.chemcompass.com/ ChemCompass]
Provides pesticide information profiles, toxicology information briefs, news about toxicology issues, and resources for toxicology information. It is searchable by keyword or partial word.
بوصلة الكيمياء ؛ قاعدة بيانات للمنتجات والشركات والخدمات في قطاع الكيمياء، يوجد بحث في النص الكامل بالغتين الإنكليزية والألمانية، وكذلك البحث حسب السوق والشركة والمنتج والفئة والاسم التجاري.
</big>


* [http://antoine.frostburg.edu/chem/senese/101/index.shtml General Chemistry Online!]
موقع تعليمي لمنهاج الكيمياء العامة الأول مع دليل دراسة واختبارات ذاتية وغيرها


* Abbreviations of Chemical Compounds
A searchable index of chemical compound abbreviations. Results include an expansion of the abbreviation plus complete molecular formula of the chemical compound.


* [http://www.emsl.pnl.gov/forms/basisform.html Gaussian Basis Set Order Form]
يتيح هذا الموقع استخلاص مجموعات أساس غاوس وغيرها من مكتبة مركز أبحاث علم الجزئيات Molecular Science Research Center's Basis Set Library


* Chemicool Periodic Table
*[http://www.umsl.edu/divisions/artscience/chemistry/books/ Chemical Education Resource Shelf]
Periodic table including extensive information about the elements.
<big>مصادر تعليمية للكيمياء</big>
المؤلف والعنوان والطبعة والناشر وسنة الإصدار والرقم الدولي والسعر، وفي حال توفر مراجعة للكتاب يوضع رابط لها


* [http://www.reade.com/ Reade Advanced Materials]
مصادر لمعلومات مرجعية وتعليمية توفرها شركة تجارية للكيماويات، وتقدم ملخصات عن الجسيمات والجزئيات وغيرها ومكتبة تعليمات أمان ضخمة، وأمان المساحيق من الانفجار ومعلومات تقنية كثيرة.


* WWW Chemicals
* [http://atom.kaeri.re.kr/ Table of the Nuclides] مخطط يمكن النقر عليه يمثل كل النيوكلوتيدات المعروفة.
Search engine of chemical catalogs. Allows searching by chemical name, CAS number, field of expertise, molecular formula, etc.


* [http://extoxnet.orst.edu/ The EXtension TOXicology NETwork]
<big>بروفايلات المبيدات الحشرية وملخصات عن سميتها، أخبار عن علم السموم، ومصادر معلومات عن علم السموم.
يمكن البحث بالكلمات الرئيسية أو أجزائها.
</big>


* Chemistry Index / Chemie-Index
* [http://www.chemicool.com/ Chemicool Periodic Table]
A collection of links to a wide variety of searchable databases. These in include indexes of chemical names, fundamental physical constants, SI units, and convesion factors. A link to an amino acid database supplies information on symbols, molecular weight, CAS registry numbers, and a diagram of the molecular structure. Another database can be sear ...
جدول دوري مع معلومات مسهبة عن كل عنصر


* [http://www.chem.com/ WWW Chemicals]
محرك بحث كيماوي، ويمكن البحث باسم المركب ورقم CAS ومجال الاختصاص والصيغة الجزيئية وغيرها.


* Free Chemical Information
* <big>[http://www.freechemical.info/ Free Chemical Information]
Created by computational chemistry graduate students, this website offers descriptions and links to free and proprietary software for chemistry computation and education.
معلومات الكيماء الحرة ؛ صنعه مجموعة خريجين من الكيماء المحوسبة ويقدم وصفاً وروابط للبرمجيات الحرة والمدفوعة الثمن لحوسبة الكيمياء وتعليمها.</big>


* IPCS Inchem
* [http://www.inchem.org/ IPCS Inchem]
"Authoritative information about the hazards of chemicals is essential if they are to be used safely. IPCS INCHEM consolidates a wide variety of information produced by a number of international bodies whose goal is to assist in the sound management of chemicals. IPCS INCHEM provides a means of rapid access to information on chemicals commonly used ...
"Authoritative information about the hazards of chemicals is essential if they are to be used safely. IPCS INCHEM consolidates a wide variety of information produced by a number of international bodies whose goal is to assist in the sound management of chemicals. IPCS INCHEM provides a means of rapid access to information on chemicals commonly used ...


* Compressed Air Glossary of Terms
* [http://www.impactrm.com/glossary/ Compressed Air Glossary of Terms]
A glossary of terms related to compressed air and its uses.
A glossary of terms related to compressed air and its uses.


* The Scorecard: The Pollution Information Site - Chemical Profiles
* [http://www.scorecard.org/chemical-profiles/index.tcl The Scorecard: The Pollution Information Site - Chemical Profiles]
"Scorecard provides detailed information on more than 11,200 chemicals, including all the chemicals used in large amounts in the United States and all the chemicals regulated under major environmental laws. You can search for information by typing in the chemical's name."
"Scorecard provides detailed information on more than 11,200 chemicals, including all the chemicals used in large amounts in the United States and all the chemicals regulated under major environmental laws. You can search for information by typing in the chemical's name."




* Integrated Spectral Data Base System for Organic Compounds
* [http://www.aist.go.jp/RIODB/SDBS/menu-e.html Integrated Spectral Data Base System for Organic Compounds]
"SDBS is an integrated spectral database system for organic compounds, which includes 6 different types of spectra under a directory database of the compounds. The spectra are EI mass, 1-H decoupled 13-C NMR, 1-H NMR pattern (90 and/or 400 MHz), 1-H NMR parameter (300 MHz pattern generated), FT-IR, laser-Raman, and ESR."
"SDBS is an integrated spectral database system for organic compounds, which includes 6 different types of spectra under a directory database of the compounds. The spectra are EI mass, 1-H decoupled 13-C NMR, 1-H NMR pattern (90 and/or 400 MHz), 1-H NMR parameter (300 MHz pattern generated), FT-IR, laser-Raman, and ESR."


* Material Safety Data Sheets
* [http://jrm.phys.ksu.edu/Safety/msds.html Material Safety Data Sheets]
A guide to finding MSDSes in various locations on the Internet. A MSDS contains basic information about a chemical substance, its known hazardous effects, and safety and handling instructions.
A guide to finding MSDSes in various locations on the Internet. A MSDS contains basic information about a chemical substance, its known hazardous effects, and safety and handling instructions.




* NIST Chemistry WebBook
* [http://webbook.nist.gov/ NIST Chemistry WebBook]
"The NIST WebBook will provide access to the full array of data compiled and distributed by NIST under the Standard Reference Data Program. The NIST Chemistry WebBook contains: Thermochemical data for over 6000 organic and small inorganic compounds; Enthalpy of formation; Enthalpy of combustion; Heat capacity; Entropy; Phase transition enthalpies ...
"The NIST WebBook will provide access to the full array of data compiled and distributed by NIST under the Standard Reference Data Program. The NIST Chemistry WebBook contains: Thermochemical data for over 6000 organic and small inorganic compounds; Enthalpy of formation; Enthalpy of combustion; Heat capacity; Entropy; Phase transition enthalpies ...




* Electrochemical Science and Technology Information Resource
* [http://electrochem.cwru.edu/estir/ Electrochemical Science and Technology Information Resource]
This site provides links to electrochemistry sources including associations, publications, and educational programs. It also provides a great deal of scientific information about electrochemical topics, especially the chemistry of batteries and fuel cells.
This site provides links to electrochemistry sources including associations, publications, and educational programs. It also provides a great deal of scientific information about electrochemical topics, especially the chemistry of batteries and fuel cells.




* The Periodic Table of Comic Books
* [http://www.uky.edu/Projects/Chemcomics/ The Periodic Table of Comic Books]
"Two members of the Department of Chemistry at the University of Kentucky, Jim Holler and Jack Selegue, have set forth to make known any and all references to the elements that can be found in comic books. Simply click on the desired element in the periodic chart and be whisked to another page to view scans of the actual comic book pages containing ...
العناصر ووجدها في قصص الرسوم المصورة، بالضغط على أي عنصر ينتقل إلى صفحة تحوي نسخة من صفحات المجلات المصورة الهزلية التي ذكرت االعنصر


 
* [http://userpage.chemie.fu-berlin.de/diverse/bib/nobel_chemie_e.html Nobel Prizes in Chemistry]
* Nobel Prizes in Chemistry
A listing of the winners of the Chemistry Nobel Prize, and what they won it for. The page is also available in German.
A listing of the winners of the Chemistry Nobel Prize, and what they won it for. The page is also available in German.




* Entropy Sites - A Guide
* [http://entropysite.oxy.edu/ Entropy Sites - A Guide]
A professor emeritus of chemistry put up this site to help teach college students "a modern view of entropy change." Aside from featuring many of the professor's own articles on the subject, the site features supplementary materials and news that can help educators teach this topic.
A professor emeritus of chemistry put up this site to help teach college students "a modern view of entropy change." Aside from featuring many of the professor's own articles on the subject, the site features supplementary materials and news that can help educators teach this topic.




* Science Niche
* [http://scienceniche.com/ Science Niche]
Chemistry resources for high school students. Sections include: Introduction to Chemistry; Periodic Tables; Molecular Structures; Chemical References; Questions, Quizzes, Exam Prep; and Laboratory Experiments. Also has other fun and interesting sites and interactive flash cards games (good for practicing for tests) for matching chemical element s ...
Chemistry resources for high school students. Sections include: Introduction to Chemistry; Periodic Tables; Molecular Structures; Chemical References; Questions, Quizzes, Exam Prep; and Laboratory Experiments. Also has other fun and interesting sites and interactive flash cards games (good for practicing for tests) for matching chemical element s ...


* SubsTech: Substances and Technologies
* [http://www.substech.com/ SubsTech: Substances and Technologies]
Contains illustrated articles about materials engineering, materials properties, applications and manufacturing technologies written by experts in the field.
Contains illustrated articles about materials engineering, materials properties, applications and manufacturing technologies written by experts in the field.


* Acid and Base pH Tutorial
* [http://www2.chem.ubc.ca/courseware/pH/launch.html Acid and Base pH Tutorial]
"This site contains notes and self directed exercises designed to help students with the fundamental concepts of acid-base chemistry." The instruction is aimed at students with no previous knowledge or experience with acid-base chemistry.
"This site contains notes and self directed exercises designed to help students with the fundamental concepts of acid-base chemistry." The instruction is aimed at students with no previous knowledge or experience with acid-base chemistry.




* NOVA | Anatomy of a Firework
* [http://www.pbs.org/wgbh/nova/tech/anatomy-of-a-firework.html NOVA | Anatomy of a Firework]
Learn what's inside a firework and find a link to the companion website to the NOVA program "Fireworks!", where you can learn the names of different kinds of fireworks.
Learn what's inside a firework and find a link to the companion website to the NOVA program "Fireworks!", where you can learn the names of different kinds of fireworks.


* SelectScience
* [http://www.selectscience.net/ SelectScience]
"SelectScience is an online, independent information service for laboratory scientists. It helps consumers to make informed decisions when purchasing. SelectScience also provides additional information services. Up to date news, jobs, conferences, editorial features and links to other sites are key features. SelectScience is the scientists' choice. ...
"SelectScience is an online, independent information service for laboratory scientists. It helps consumers to make informed decisions when purchasing. SelectScience also provides additional information services. Up to date news, jobs, conferences, editorial features and links to other sites are key features. SelectScience is the scientists' choice. ...


* Household Products Database: Health and Safety Information on Household Products
* [http://householdproducts.nlm.nih.gov/index.htm Household Products Database: Health and Safety Information on Household Products]
This site provides facts about common household products. It discusses possible safety hazards and health effects. You can enter the name of a household product and the site provides explanations about ingredients and health information related to automotive products, landscaping, pesticides, pet care products, products used during arts and crafts, ...
حقائق عن الأدوات المنزلية الشائعة، ومخاطر السلامة المحتملة، يقدم التركيب ومعلومات صحية عن كثير من المركبات
 


* [http://www.emolecules.com/index.htm eMolecules]
* [http://www.emolecules.com/index.htm eMolecules]
Allows you to search for Chemistry information online in addition to drawing chemical structures for molecules that are searched.
Allows you to search for Chemistry information online in addition to drawing chemical structures for molecules that are searched.
* [http://periodic.lanl.gov/index.shtml A Periodic Table of the Elements] مصدر ملون عن الجدول الدوري للعناصر ، يقدمه مختبرات لوس آلاموس الأمريكية
A colorful resource for chemistry students of all ages, provided by the Los Alamos National Lab.


*[http://scienceworld.wolfram.com/chemistry/ Eric Weisstein's World of Chemistry] موسوعة الكترونية عن الكيماء يمكن البحث فيها أو تصفح الروابط
*[http://scienceworld.wolfram.com/chemistry/ Eric Weisstein's World of Chemistry] موسوعة الكترونية عن الكيماء يمكن البحث فيها أو تصفح الروابط
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Wolfram Alpha quickly locates facts, graphs, definitions, tables, numbers, formulas, and other data. Use the "Examples" page to browse and see all the different topics covered.
Wolfram Alpha quickly locates facts, graphs, definitions, tables, numbers, formulas, and other data. Use the "Examples" page to browse and see all the different topics covered.


{{بذرة}}
[[تصنيف:كيمياء]]
[[تصنيف:قوائم]]

المراجعة الحالية بتاريخ 19:39، 21 أغسطس 2012

مجموعة مصادر تعليمية وعلمية حول الكيماء

مجموعة روابط لقواعد بيانات كثيرة منوعة، بما فيها فهارس أسماء كيميائية، ثوابت فيزيائية أساسية، نظام الوحدات الدولية، SI وعوامل تحويل مثال: الرابط الموصل لقاعدة بيانات الحموض الأمينية يقدم معلومات عن اللرمز والوزن الجزيئي ورقمCAS ورسم للصيغة الجزيئية.

موقع الجمعية الأمريكية للكيمياء، وفيه أخبار ومصادر للمهني والمعلم والطالب من مختلف المراحل الدراسية.

كل شيء عن الكيماء العضوية بما فيها مجموعة صيغ كيميائية يمكن البحث فيها، وآخر الأخبار من المجلات المختصة، ومراجعات لكتب الكيمياء العضوية، وروابط لموقع نظير باللغة الألمانية


الكيماء التركيبية مقدمةواسعة عن هذا الاختصاص المهم في اكتشاف الأدوية الجديدة وغيرها وفي الموقع شرح عن التطبيقات

فهرس يمكن البحث فيه لاختصارات المركبات الكيميائية

جدول العناصر الدوري بعدة لغات ومعلومات عن كل عنصر

جدول العناصر الدوري التفاعلي

  • A Periodic Table of the Elements مصدر ملون عن الجدول الدوري للعناصر ، يقدمه مختبرات لوس آلاموس الأمريكية

حقائق عن العناصر، بقوائم ألفبائية

بوصلة الكيمياء ؛ قاعدة بيانات للمنتجات والشركات والخدمات في قطاع الكيمياء، يوجد بحث في النص الكامل بالغتين الإنكليزية والألمانية، وكذلك البحث حسب السوق والشركة والمنتج والفئة والاسم التجاري.

موقع تعليمي لمنهاج الكيمياء العامة الأول مع دليل دراسة واختبارات ذاتية وغيرها


يتيح هذا الموقع استخلاص مجموعات أساس غاوس وغيرها من مكتبة مركز أبحاث علم الجزئيات Molecular Science Research Center's Basis Set Library

مصادر تعليمية للكيمياء المؤلف والعنوان والطبعة والناشر وسنة الإصدار والرقم الدولي والسعر، وفي حال توفر مراجعة للكتاب يوضع رابط لها

مصادر لمعلومات مرجعية وتعليمية توفرها شركة تجارية للكيماويات، وتقدم ملخصات عن الجسيمات والجزئيات وغيرها ومكتبة تعليمات أمان ضخمة، وأمان المساحيق من الانفجار ومعلومات تقنية كثيرة.

  • Table of the Nuclides مخطط يمكن النقر عليه يمثل كل النيوكلوتيدات المعروفة.

بروفايلات المبيدات الحشرية وملخصات عن سميتها، أخبار عن علم السموم، ومصادر معلومات عن علم السموم. يمكن البحث بالكلمات الرئيسية أو أجزائها.

جدول دوري مع معلومات مسهبة عن كل عنصر

محرك بحث كيماوي، ويمكن البحث باسم المركب ورقم CAS ومجال الاختصاص والصيغة الجزيئية وغيرها.

معلومات الكيماء الحرة ؛ صنعه مجموعة خريجين من الكيماء المحوسبة ويقدم وصفاً وروابط للبرمجيات الحرة والمدفوعة الثمن لحوسبة الكيمياء وتعليمها.

"Authoritative information about the hazards of chemicals is essential if they are to be used safely. IPCS INCHEM consolidates a wide variety of information produced by a number of international bodies whose goal is to assist in the sound management of chemicals. IPCS INCHEM provides a means of rapid access to information on chemicals commonly used ...

A glossary of terms related to compressed air and its uses.

"Scorecard provides detailed information on more than 11,200 chemicals, including all the chemicals used in large amounts in the United States and all the chemicals regulated under major environmental laws. You can search for information by typing in the chemical's name."


"SDBS is an integrated spectral database system for organic compounds, which includes 6 different types of spectra under a directory database of the compounds. The spectra are EI mass, 1-H decoupled 13-C NMR, 1-H NMR pattern (90 and/or 400 MHz), 1-H NMR parameter (300 MHz pattern generated), FT-IR, laser-Raman, and ESR."

A guide to finding MSDSes in various locations on the Internet. A MSDS contains basic information about a chemical substance, its known hazardous effects, and safety and handling instructions.


"The NIST WebBook will provide access to the full array of data compiled and distributed by NIST under the Standard Reference Data Program. The NIST Chemistry WebBook contains: Thermochemical data for over 6000 organic and small inorganic compounds; Enthalpy of formation; Enthalpy of combustion; Heat capacity; Entropy; Phase transition enthalpies ...


This site provides links to electrochemistry sources including associations, publications, and educational programs. It also provides a great deal of scientific information about electrochemical topics, especially the chemistry of batteries and fuel cells.


العناصر ووجدها في قصص الرسوم المصورة، بالضغط على أي عنصر ينتقل إلى صفحة تحوي نسخة من صفحات المجلات المصورة الهزلية التي ذكرت االعنصر

A listing of the winners of the Chemistry Nobel Prize, and what they won it for. The page is also available in German.


A professor emeritus of chemistry put up this site to help teach college students "a modern view of entropy change." Aside from featuring many of the professor's own articles on the subject, the site features supplementary materials and news that can help educators teach this topic.


Chemistry resources for high school students. Sections include: Introduction to Chemistry; Periodic Tables; Molecular Structures; Chemical References; Questions, Quizzes, Exam Prep; and Laboratory Experiments. Also has other fun and interesting sites and interactive flash cards games (good for practicing for tests) for matching chemical element s ...

Contains illustrated articles about materials engineering, materials properties, applications and manufacturing technologies written by experts in the field.

"This site contains notes and self directed exercises designed to help students with the fundamental concepts of acid-base chemistry." The instruction is aimed at students with no previous knowledge or experience with acid-base chemistry.


Learn what's inside a firework and find a link to the companion website to the NOVA program "Fireworks!", where you can learn the names of different kinds of fireworks.

"SelectScience is an online, independent information service for laboratory scientists. It helps consumers to make informed decisions when purchasing. SelectScience also provides additional information services. Up to date news, jobs, conferences, editorial features and links to other sites are key features. SelectScience is the scientists' choice. ...

حقائق عن الأدوات المنزلية الشائعة، ومخاطر السلامة المحتملة، يقدم التركيب ومعلومات صحية عن كثير من المركبات

Allows you to search for Chemistry information online in addition to drawing chemical structures for molecules that are searched.

An electronic encyclopedia of chemistry that includes organic, inorganic and quantum chemistry. Includes references for further reading. Topics are searchable, or users can browse links.

A searchable database of summaries about hazardous substances and the most frequently asked questions about the effects of these substances put together by the Agency for Toxic Substances and Disease Registry. These summaries include basic lay-person information about specific chemicals such as pronunciation and where they can be found in the envir ...

Provides an Ask-A-Scientist service, as well as MAD Labs (a collection of demonstrations illustrating science concepts); "The Visible Human"(a digitized guided tour); and the MadSci Laboratory(organized web links for a wide variety of science fields), covering a wide variety of topics.


  • Craig Research Labs دليل إنترنت في مختلف المواضيع العلمية، وروابط لصفحات تعليمية، ومعلومات عن مشاريع بحثية وأخبار علمية

A web directory for various scientific fields. Find links leading to educational pages, information about research projects, and news about science.

Watch physics demonstrations by students at the University of Illinois as they show ???science as fun and worthwhile for people who wonder about why the world acts the way it does???.

Sebastopol College in Victoria, Australia, provides this page to organize URL links for a variety of scientific disciplines. By selecting one of the science subject areas - general science, history of science, astronomy/space, biology, chemistry, environmental science, forensic science, geology/paleontology, investigations, physics, or weather/me ...


Offers step-by-step tutorials for students of all levels who want to learn about polymer science.

Contains resources about the life and research of 20th century chemist Linus Pauling. Content includes detailed analyses of Pauling's research on immunology, his application of quantum mechanics to molecular architecture, participation in the DNA race, and more.

Brightstorm provides homework help for match and science in the form of free and paid video tutorials. There are also free PSAT materials. The other test preparation materials are not free.


Wolfram Alpha quickly locates facts, graphs, definitions, tables, numbers, formulas, and other data. Use the "Examples" page to browse and see all the different topics covered.

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