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