Across
- 8. converts mechanical energy into electrical energy
- 10. waves travel in electric and magnetic fields
- 11. Shorter wavelength and higher frequency than microwaves
- 12. nerve Transmits electrical impulses from retina to the brain
- 13. speed of a wave as it moves forward
- 15. waves Have the longest wavelengths and
- 16. light carries more energy than visible light
- 17. where light enters
- 18. Can penetrate most matter
- 19. muscles the pupil if controlled by this
Down
- 1. are the smallest bones the body which are in the ear
- 2. number of waves passing a point in one second
- 3. when a wave strikes an object and bounces off
- 4. Tube connects middle ear to back of the throat
- 5. supports the eyeball
- 6. depends on speed of light in the medium
- 7. Process, Provides support to the external ear and posterior wall of the middle ear cavity
- 9. waves, requires a medium
- 13. system Controls balance
- 14. shows different temperatures in the body