Across
- 4. world, universe
- 5. study of the pressure of standing liquids
- 8. a small universe
- 9. citizen of the world
- 11. water fixture
- 13. study of the forces of moving air
- 14. gas which produces water
- 15. operated by fluid (water) in a pipe
- 18. without water
- 19. the study of mechanical force from heat
Down
- 1. study of the distribution of water
- 2. study of the universe
- 3. sailor of the universe
- 6. power, force
- 7. sail on the air
- 10. air
- 12. powerful explosive
- 16. requires air for life
- 17. water