3. Bell had to do what in order to help deaf people speak? ____________________________________________
Find the link how does the ear hear? After reading, number the order in which these events occur.
____ The bone in the middle ear move.
____ Nerve endings change the vibrations into
____ The eardrum captures the sound and vibrates. ____ Fluid in the cochlea vibrates. |
6. The first intelligible sentence was carried over the telephone on this date:___________________________
7. What was the sentence?___________________________________________________________________
8. The first words that Bell spoke to Watson were:______________________________________________