Across
- 1. freedom from mistake or error
- 3. a comparison of two different things that are alike in some way
- 4. to bring something into use for the first time
- 7. to tell more about something
- 8. Source the original document such as a diary letter or journal
- 9. science technology engineering and mathematics
Down
- 2. to challenge or dispute an idea
- 5. to review your work to make better
- 6. to tell in advance