Across
- 2. fossil fuel
- 3. visual aid
- 7. produceheat and light on combustion
- 8. nerve transfer message from eye to brain
- 10. detect electric charges
- 11. lack clear vision on distant objects
- 13. prevents corrosion
- 17. tends to stop an object from motion
- 18. 7 band of colours in rainbow
- 19. Chemical effect of electricity
Down
- 1. helps to make curd
- 4. helps to see objects
- 5. conductor of electricity
- 6. powerhouse of cell
- 9. breaking of white light
- 12. cross breeding 2 plants
- 14. characteristics of both living and non living
- 15. brain of cell
- 16. helps to breath