Across
- 2. A four-sided figure.
- 4. Having lenses for two different focus levels.
- 6. A device that swings regularly.
- 7. A series of three works.
- 9. A state of balance.
- 10. A powerful, spinning storm.
- 11. Connected with the sea, especially in navigation.
- 14. The act of transferring something.
- 15. Involving or designed for interaction.
Down
- 1. The process of cutting apart for study.
- 3. The farming of aquatic organisms.
- 5. Relating to one side or aspect.
- 8. The movement of something in a closed path.
- 12. The study of the physics of celestial bodies.
- 13. Relating to land ownership or control.