4. AND
keyword 1 AND keyword 2
Gives a result that contains all the keywords
5. AND
frogs AND toads
Gives a result that contains both
frogs and toads
6. Hands-On
• Protecting the rainforest to provide
homes to the animals
rainforest AND animals
• Pollution and how it affects fishes
fish AND pollution
7. OR broadens a search
keyword 1 OR keyword 2
adolescent teenager
Results will contain any or all keywords.
8. OR
frogs OR toads
Results will contain frogs or roads or both
10. NOT -minus sign
frogs -toads
Results will contain frogs but not toads
11. Hands-On
• What are the other ancient civilizations
aside from Ancient Greece?
Ancient civilization
-
Ancient Greece
12. EXACT SEARCH “keyword”
Result will contain exact words, in
exact order
“Ancient China”
“whale sharks”
“Amazon rainforest”
13. Quick Tips for Keyword Searching
• Choose keywords to represent the most
important concepts in your topic.
• Use “AND" to combine different keywords and
narrow your search.
• Use “OR“ to find alternate keywords and
broaden your search.
• Use “-” to limit a broad topic
15. AND OR NOT
What is video piracy?
video AND piracy
16. AND OR NOT
Find out about hurricanes.
Hurricanes OR
storms OR typhoons
17. AND OR NOT
What are the causes of
pollution in Thailand?
pollution AND Thailand
18. AND OR NOT
What spiders do not live in the
forest?
spiders NOT forest
19. AND OR NOT
Name other scientists other than
Albert Einstein.
Scientist –”Albert Einstein”
Editor's Notes
The and operator tells the computer that both terms must be present in the record. The terms may or may not be in a phrase. The more terms that are linked with an and operator, the smaller the results will be.
The and operator tells the computer that both terms must be present in the record. The terms may or may not be in a phrase. The more terms that are linked with an and operator, the smaller the results will be.
