Across
- 3. Written works, especially those of high quality
- 7. A scientific test or investigation
- 8. An explanation based on evidence and reasoning
- 9. The collection of words known and used
Down
- 1. The study of past events
- 2. A talk or display of information
- 4. A book that lists words and their meanings
- 5. A formal meeting for questions and answers
- 6. The set of rules for writing and speaking