Across
- 1. High, steep landform.
- 3. Insect with long body and wings.
- 8. Device to slow free fall.
- 9. Gas essential for breathing.
- 12. Green summer squash.
- 13. Reflex when tired or bored.
- 15. Short test.
- 16. Newly created device or process.
- 17. Device for heating.
- 18. Plant with long, trailing stems.
- 21. Large marine mammal with tusks.
- 23. Bag carried on the back.
- 25. Fermented dairy product.
- 28. Noble gas element.
- 29. Single-story house.
- 30. Object flown in the wind.
Down
- 2. Small lump of gold or other precious material.
- 4. Complex maze.
- 5. Structure made from sand.
- 6. Place where plants are grown.
- 7. Line where earth and sky meet.
- 10. Fastener for clothes.
- 11. Distinctive clothing for a group.
- 14. Nut from an oak tree.
- 19. Celestial event where one body obscures another.
- 20. Large flowing watercourse.
- 22. Deep valley with steep sides.
- 24. White or gray mass in the sky.
- 26. Loud noise during a storm.
- 27. Puzzle with pieces that fit together.