LibGuides: Mathematics & Science: Find Web Sources

Internet Resources for Biology

LabWrite
Resources to help students write lab reports.
Math Forum Library
Great resource for finding the best online Math help, tutorials and exercises.
MathWorld
An extensive mathematics dictionary and encyclopedia.
The National Science Digital Library
Provides access to high quality resources and tools that support innovations in teaching and learning at all levels of science, technology, engineering, and mathematics education.
S.O.S. Math
Quick access to mathematical formulas.
Science.gov
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.
Science Cinema
Highlights leading-edge research from the U.S. Department of Energy as well as the European Organization for Nuclear Research (CERN).
Science Daily
Site covers discoveries in all fields of the physical, biological, earth and applied sciences, including top science news stories from the world’s leading universities and research organizations.

IXL Math
Online math practice with interactive problems.
Khan Academy: Math Instruction Videos
Videos and exercises to help explain mathematical concepts.
Math.com
Numerous exercies, tutorials, test prep resources for Math.
Math Open Reference
Open source interactive textbook for Geometry, Trigonometry, and Calculus.
S.O.S. Math
Quick access to mathematical formulas.
That Quiz
Online quizzes for various math concepts. Provides no instruction.

Type your keywords into Google and add the site: command, leaving a space between your words and the command. This will allow you to limit your web search to a specific domain. Only one domain can be searched at a time.

Copy and paste a command below to give it a try:

site:.edu
site:.gov
site:.org

Use the CRAAP Test to Evaluate Web Sources

This test takes you through a list of questions to help you evaluate the information you find. Keep in mind, the different quality measures will be more or less important depending on your situation or need.

Currency: How old is this information?

When was the information published or posted?
Has the information been revised or updated?
Does your topic require current information?
Are the links on the site functional?

Relevance: Does this information help me finish my assignment?

Does the information relate to your topic or answer your question?
Who is the intended audience?
Is the information at an appropriate level (i.e. not too easy or advanced for your needs)?
Have you looked at a variety of sources before determining this is the one you will use?

Authority: Is whoever created this an expert on the subject?

Who is the author/publisher/source/sponsor?
What are the author's credentials or organizational affiliations?
Is the author qualified to write on the topic?
Is there contact information, such as a publisher or email address?
Does the URL (.edu/.gov/.com) reveal anything about the author or source?

Accuracy: How much can I trust this information?

Where does the information come from?
Is the information supported by evidence?
Has the information been reviewed or verified by someone other than the author?
Can you verify any of the information in another source or from personal knowledge?
Are there spelling, grammar, or typing errors?

Purpose: Why was this information created?

What is the purpose of the information? Is it to inform, teach, sell, entertain, persuade?
Is the information factual, opinion, or propaganda?
Does the point of view appear objective and impartial?
Are there political, ideological, cultural, religious, institutional or personal biases?