Physical Science Resources

  • NHS Library


    Home access username and password (Must be signed into your school e-mail to view)


    Start here for general information:

    ⇒ Scholastic GO!

    • Contains more than 115,000 articles covering every core-curriculum subject. The articles and their illustrations are derived from the content of seven Scholastic encyclopedia databases: Encyclopedia AmericanaGrolier Multimedia EncyclopediaThe New Book of KnowledgeAmerica the BeautifulLands and PeoplesAmazing Animals of the World, and The New Book of Popular Science.
    • Cites for you

    ⇒ Britannica

    • Britannica's consolidated search makes it easy to find the content you need
    • Includes articles, images, videos, dictionary, magazines, Web's Best Sites, Primary Sources & Ebooks, and Year in Review. 
    • Cites for you


    Then visit these sites for more in-depth information:

    ⇒ Gale Opposing Viewpoints in Context 

    • Premier online resource covering today's hottest social issues
    • Cross-curricular research database supports science, social studies, current events, and language arts classes
    • Presents informed, differing views that help learners develop critical-thinking skills and draw their own conclusions
    • Includes pro/con viewpoints, reference articles, interactive maps, infographics, and more
    • Connects to your Google Drive 

    ⇒ Gale Virtual Reference Library

    • Lots of reference books in one place
    • Counts as a print resource
    • Cites for you
    • Connects to your Google Drive

Source Evaluation - The CRAAP Test

  • Remember to run the CRAAP test when evaluating information!

    Currency: The timeliness of the information.

    • When was the information published or posted?
    • Has the information been revised or updated?
    • Does your topic require current information, or will older sources work as well?Are the links functional?

    Relevance: The importance of the information for your needs.

    • 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 elementary or advanced for your needs)?
    • Have you looked at a variety of sources before determining this is one you will use?
    • Would you be comfortable citing this source in your research paper?

    Authority: The source of the information.

    • 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 reveal anything about the author or source? examples: .com .edu .gov .org .net

    Accuracy: The reliability, truthfulness and correctness of the content.

    • Where does the information come from?
    • Is the information supported by evidence?
    • Has the information been reviewed or refereed?
    • Can you verify any of the information in another source or from personal knowledge?
    • Does the language or tone seem unbiased and free of emotion?
    • Are there spelling, grammar or typographical errors?

    Purpose: The reason the information exists.

    • What is the purpose of the information? Is it to inform, teach, sell, entertain or persuade?
    • Do the authors/sponsors make their intentions or purpose clear?
    • Is the information fact, opinion or propaganda?
    • Does the point of view appear objective and impartial?
    • Are there political, ideological, cultural, religious, institutional or personal biases?
Last Modified on December 11, 2018