1
2
3
4
5
6
7
8
9
10
Across
- 1. Relating to sight or light
- 4. A word related to science
- 6. Part of body with a function
- 7. Substance that flows freely
- 8. Biological classification rank
- 9. Focused beam of coherent light
- 10. A word related to science
Down
- 2. Glass that splits light into colors
- 3. Type of bond between ions
- 5. A word related to science
- 7. Plant life of a region