Answer:
1. books | the first place to look when researching a speech-by-step explanation
2. encyclopedia | source of current information
3. almanac | provides statistical information on a variety of subjects
4. atlas | provides geographical data
5. periodical | most commonly used reference work
6. newspaper | source of current international, national, and local news
7. bibliography | list of related sources
8. mind map | collection of related ideas
9. thesis statement | a one-sentence summary of the speech
10. statement of purpose | identifies the expected reaction or response of the audience
Explanation:
1. Books are written texts which contain mostly all the detailed information, hence its the first place to look when researching for a speech
5. Periodicals are mainly journals, articles or magazines so we often use it as reference
8. Mind map is usually collection of all many ideas, major ideas.
9. Thesis statement is used at the first paragraph of an essay or speech which usually summarizes the entire speech in one sentence.