Across
- 4. travel somewhere to learn about it
- 5. evaluate or estimate the nature
- 6. the systematic investigation
- 8. provide with pictures
- 9. look at for a period of time
- 10. look at and comprehend it
Down
- 1. take part in a contest
- 2. mark with a pencil
- 3. the action or process of classifying
- 7. arrange into a certain order