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Math & Science: Getting Started

Keyword Search

Always a good way to start looking for information 

You can use book subject headings to find additional resources on the same topic

Thesaurus - browse for more subject terms

BOOLEAN Terms

AND (limits search -fewer results)

OR (expands search)

NOT (keeps a word from appearing in results)

Keywords

Natural Sciences

Environmental Science  ecosystem  niche  sustainability 

Life Sciences

Bioscience  Natural Science  abiotic  biogenesis 

Pre-Engineering

Hydrology  algorithms  substructures  calibration

Information Technology 

Cybersecurity  programming   analyze  SEO 

SEM (Science, Engineering, Math) 

Anhydrous  catalyst  aerodynamics   deformation 

Search Tips

  • Use and combine keywords and phrases
  • Use Truncation (*) for root words
  • use broader terms
  • use boolean terms (AND,OR,NOT)
  • Use tabs or search suggestions to find new terms
  • Keep It Simple
  • Gradually add search terms
  • Use words that websites would use (ex: I need to write a resume - Resume Help OR Resume Tips)
  • Use important words only (instead of a sentence - try keywords)
  • Want the latest - can limit by search by time (under Tools on google) 

Evaluating Sources: The CRAAP test

CRAAP = Currency, Relevance, Authority, Accuracy, and Purpose. 

Currency: the timeliness of the information

  • When was the information published or posted?
  • Has the information been revised or updated?  

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?

Authority: the source of the information

  • Who is the author/publisher/source/sponsor?
  • What are the author's qualifications /credentials to write on the topic?
  • Does the URL reveal anything about the author or source?
    •  examples:
      • .com (commercial), .edu (educational), .gov (U.S. government)
      • .org (nonprofit organization), or
      • .net (network)

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

  • Is the information supported by evidence?
  • Has the information been reviewed or refereed?
  • Are there spelling, grammar, or other typographical errors?

Purpose: the reason the information exists

  • What is the purpose of the information? to inform? teach? sell? entertain? persuade?
  • Is the information fact? opinion? propaganda? objective and impartial?
  • Are there political, ideological, cultural, religious, institutional, or personal biases?
Oglala Lakota College Woksape Tipi Library Physical Address: 3 Mile Creek Rd Kyle, SD 57752 Mailing Address: PO Box 310 Kyle, SD 57752 Phone: 1-(605)-455-6069