CrosswordMint
Secrets of Earth's Sky Shield
Perfect for beginners with simple, common vocabulary
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
Across
  • 1. Light or energy beams from the sun
  • 2. Having a lot of light or shine
  • 5. Radio signals pass through these in the sky
  • 6. An area with specific features, like the ionosphere
  • 7. Earth’s natural nighttime companion
  • 10. Short for the number of waves per second (frequency)
  • 14. To raise or move upward, like signals in the sky
  • 15. Sound or signal that bounces back
  • 16. Soft light sometimes seen near the ionosphere
  • 18. What you see when you look up from Earth
Down
  • 3. To move air or wind, like a solar wind does
  • 4. A thickness of something, like the ionosphere's parts
  • 8. Short form for the air around Earth
  • 9. Charged particles in the air
  • 11. What gives ions their electrical power
  • 12. Main source of energy that affects the ionosphere
  • 13. A quick burst of energy or signal
  • 17. Air is made mostly of this
  • 19. Ring of light sometimes seen around the sun or moon

Similar Crossword Puzzles