Across
- 4. eight side
- 6. a unit used to express the intensity
- 10. octave
- 13. labor day
- 14. winter starts
- 16. any of numerous predaceous,
- 17. pertaining
- 18. annual university
- 19. one 100th of a meter,
- 20. a period of 100 years.
Down
- 1. a period of ten years
- 2. Christmas
- 3. a animal
- 5. Halloween
- 7. one one-hundredth part; 1/100
- 8. a polygon having nine angles
- 9. a group
- 11. long time
- 12. 5.6
- 15. a contest