1. Let’s Boolify!

2. BOOLEAN Operators
Special terms used to combine keywords
AND, OR, NOT

3. BASIC SEARCH
keyword keyword
1 2

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

9. NOT -minus sign
keyword 1 –keyword 2

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

14. www.boolify.org

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”