Across
- 2. shines in dark
- 6. Major component of Gober gas
- 7. Hardest element present on earth
- 9. Father of modern science
- 10. Hardest element in periodic table
Down
- 1. Long sightedness
- 3. Sound travels faster in this medium
- 4. Also used as a bio-fertilizer
- 5. Unit of frequency
- 8. Measurement of sound