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Sound and Ear

Sound waves and structure of the ear

QuestionAnswer
Where do sound waves travel immediately after being captured by the outer part of the ear? A) ear canal B) eardrum C) earlobe D) cochlea A
When you speak, your words are transferred to a friend’s outer ear _______. A) by transverse waves B) in between air molecules C) by compressional waves D) by electromagnetic waves C
The eardrum moves and is sensitive to which properties of the sound vibrations that strike it? A) Frequency and amplitude B) Reflection and refraction C) Medium and speed D) Transmission and absorption A
Which part of your ear sends the message to your brain that you’ve heard a sound? A) the vibrating eardrum B) the outermost part of your ear C) the hairs that are attached to nerve cells D) the bones located in your middle ear C
Which term refers to how high or low a sound seems to the person who hears it? A) loudness B) intensity C) frequency D) pitch D
The pitch of a sound that you hear depends on the sound wave’s _____. A) loudness B) frequency C) intensity D) speed B
_____ is the human perception of the force or amplitude that a wave carries. A) Loudness B) Pitch C) Wavelength D) Vibration A
. Which part of the ear is the sound amplifier? A) outer ear B) ear canal C) middle ear D) inner ear C
Through which medium do sound waves travel when they reach the inner ear? A) air B) bone C) liquid D) nerves C
Which part of the ear acts as the sound collector? A) ear canal B) inner ear C) middle ear D) outer ear D
When sound waves cause the eardrum to vibrate, these vibrations are immediately passed on to the _____. A) outer ear canal B) inner ear fluid C) inner ear hairs D) middle ear bones D