Abeka 4th Grade Science Chapter 6 Review

Who invented the phonograph?

• Alexander Graham Bell

• Robert Boyle

• Thomas Edison

• Lazzaro Spallanzani

Who invented the telephone and taught the hearing impaired?

• Alexander Graham Bell

• Robert Boyle

• Thomas Edison

• Lazzaro Spallanzani

Who discovered that bats use their ears to "see"?

• Alexander Graham Bell

• Robert Boyle

• Thomas Edison

• Lazzaro Spallanzani

Who proved that sound waves do not travel through empty space?

• Alexander Graham Bell

• Robert Boyle

• Thomas Edison

• Lazzaro Spallanzani

Tags

NGSS.MS-PS4-2

the small bones in the middle ear

• auricle

• eardrum

• hammer, anvil, stirrup

• cochlea

• auditory nerve

this carries the message of sound to the brain

• auricle

• eardrum

• hammer, anvil, stirrup

• cochlea

• auditory nerve

the outer, fleshy part of the ear

• auricle

• eardrum

• hammer, anvil, stirrup

• cochlea

• auditory nerve

the snail-shaped organ of hearing in the inner ear

• auricle

• eardrum

• hammer, anvil, stirrup

• cochlea

• auditory nerve

the thin membrane separating the outer ear from the middle ear

• auricle

• eardrum

• hammer, anvil, stirrup

• cochlea

• auditory nerve

the highness or lowness of a sound

• echo

• frequency

• larynx

• pitch