Across
- 4. the study of the Earth's natural structures and how they change
- 6. an unmarried man
- 7. an important part of the whole
- 9. intelligent
- 10. the smallest amount
- 11. the study of human society, its organizations, and problems
- 13. the act of two things hitting into each another
- 14. the study of how the brain affects our thought and actions
Down
- 1. it is based on theory rather than experience
- 2. the work you do to earn money
- 3. a set of ideas about time and space developed by Albert Einstein
- 5. to be very good at it
- 8. it is related to logic and reasoning
- 12. a certificate proving that someone had completed their studies