Sources of Information

5. • It is considered as
one of the most
active volcanoes in
the Philippines.
• It is usually called as
the volcano with the
most perfect cone.

6. • Using your background
knowledge, provide
other descriptions
about Mount Mayon.
• Do you know how and
why volcanic eruption
occurs?

7. • If you do not have
sufficient knowledge about
this volcano, what
resources or materials will
you use to help you in
gaining more and other
useful information about it?

8. Sources Of
Information When
Researching A Topic

9. Print-based materials

10. Electronic sources

11. Primary
Sources
Secondary
Sources
Tertiary
Sources

12. Primary Sources
• include firsthand accounts, raw
data, and other original materials on
which other researches are based.
• authentic materials and have not
been subjected to evaluation or
assessment.

13. Primary Sources
Examples:
original works like poems, diaries,
court records, interviews, surveys, and
original research and research
published in scholarly and/or academic
journals.

14. Primary Sources

15. Secondary Sources
• they describe, interpret or analyze
primary sources
• These are often information written
or presented by authors who did not
personally witness an event or
occurrence.

16. Secondary Sources
Examples:
textbooks, magazine articles,
book reviews, commentaries and
almanacs.

17. Tertiary Sources
• they are used to organize and
locate primary and secondary
sources

18. Tertiary Sources
Examples:
indexes, abstracts, bibliographies,
directories and databases.

19. Tertiary Sources

20. When using information
gathered for activities like
researching a topic, remember
that information should
always be accurate, reliable,
up-to-date, consistent,
relevant and unique.

22. Identify if the given item is a primary,
secondary or tertiary source.
SOURCE CLASSIFICATION
1. textbooks
2. court records
3. surveys
4. dictionaries
5. studies published in
academic journals
6. magazines
7. abstracts
8. indices
9. Newspapers
10. diaries

23. Identify if the given item is a primary,
secondary or tertiary source.
SOURCE CLASSIFICATION
1. textbooks Secondary
2. court records Primary
3. surveys Primary
4. dictionaries Tertiary
5. studies published in
academic journals
Primary
6. magazines Secondary
7. abstracts Tertiary
8. indices Tertiary
9. Newspapers Secondary
10. diaries Primary