Across
- 4. Moved by water
- 7. Preserving earth, protecting life
- 9. Under Earth's surface
- 10. Study of stars
- 11. Aircraft and spacecraft industry
Down
- 1. Four-sided flat geometric shape.
- 2. Game of crafting and survival
- 3. Miniature ecosystem
- 5. Air, atmosphere
- 6. Water forming gas
- 8. Discovering truth, finding evidence
- 10. Space rock