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The Library provides Congress, the federal government and the American people with a rich, diverse and enduring source of knowledge to inform, inspire and engage them and support their intellectual and creative endeavors.
The MLA Citation Style Guide by Purdue Owl explains the style in its entirety and offers examples for the general format of MLA research papers, in-text citations, endnotes/footnotes, and the Works Cited page.
National Geographic's education programs give teachers the tools they need to engage kids of all ages, reveal our interconnected world, and inspire new generations of citizens and explorers.
TutaPoint's Basic Skills (Pre-Algebra) program is a general review and refresher of basic Math concepts which include: basic operations, addition, subtraction, multiplication and division and other related concepts including fractions, decimals, place value and percentages.
This e-resource contains full text for hundreds of science encyclopedias, reference books, periodicals, and other reliable sources. In addition, Science Reference Center includes more than 280,000 high-quality science images from sources such as UPI, Getty, NASA, National Geographic and the Nature Picture Library.
This project is made possible in part by Library Services and Technology Act (LSTA) funds from the U.S. Institute of Museum and Library Services and through Library Access Funds administered by the Office of Commonwealth Libraries, Department of Education, Commonwealth of Pennsylvania, Tom Wolf, Governor.
Smithsonian's History Explorer was developed by the National Museum of American History in partnership with the Verizon Foundation to offer hundreds of free, innovative online resources for teaching and learning American history.
SparkNotes is a resource you can turn to when you're confuzzled. We help you understand books, write papers, and study for tests. We're clear and concise, but we never leave out important info.
The Nine Planets is an overview of the history, mythology, and current scientific knowledge of the planets, moons, and other objects in our solar system. Each page has our text and NASA's images, some have sounds and movies, most provide references to additional related information.
With your support, The Planetary Society sponsors projects that will seed innovative space technologies, nurtures creative young minds, and is a vital advocate for our future in space.