Across
- 3. – Comet’s surrounding gas cloud.
- 6. comet – Bright comet of 1997.
- 7. – December meteor shower.
- 11. waves – Fastest seismic waves.
- 15. winds – Steady winds near equator.
- 16. scale – Earthquake intensity scale.
- 19. floods – Sudden, rapid flooding.
- 21. cloud – Distant icy bodies around solar system.
- 22. – Locating earthquake epicenter.
- 24. tail – Comet tail of ionized gas.
- 26. – August meteor shower.
- 27. – Earth’s outer layer.
- 28. – Largest asteroid belt object.
- 29. – Atlantic tropical storm.
- 30. – Lowest atmospheric layer.
- 31. tail – Comet tail made of dust.
Down
- 1. – Earth’s middle line.
- 2. waves – Slower, shaking waves.
- 4. – Small space rocks.
- 5. plates – Large moving Earth sections.
- 8. – Sudden ground shaking.
- 9. system – Sun and orbiting bodies.
- 10. belt – Region beyond Neptune with icy bodies.
- 12. – Orbit farthest from Sun.
- 13. – Orbit closest to Sun.
- 14. Comet – Famous periodic comet.
- 15. – Large sea wave.
- 17. shower – Many meteors in sky.
- 18. – Earthquake-recording instrument.
- 20. – November meteor shower.
- 23. – Solid center of a comet.
- 25. – Space rock reaching Earth.
- 27. – Icy bodies orbiting the Sun.
- 28. force – Earth’s rotation effect on motion.
- 32. cyclone – Rotating storm with strong winds.