Across
- 1. an airplane
- 3. to establish
- 5. a person who makes watches
- 9. a state in which an object has no actual weight
- 12. to register
- 13. suburbs
- 14. something that is risky
Down
- 2. organized economic activity concerned with manufacture
- 4. a theory developed by Albert Einstein
- 6. a test or investigation
- 7. astronauts
- 8. drastic change
- 10. result
- 11. talented