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Functions of the Ear

Authored by Barbara Janicki

Biology

9th Grade

NGSS covered

Used 410+ times

Functions of the Ear
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About

This quiz focuses on the anatomy and physiology of the human ear, specifically examining how the three main regions of the ear—outer, middle, and inner—work together to facilitate hearing. The content is appropriate for 9th grade high school biology students studying human body systems. Students need to understand the structural organization of the ear, including specific components like the cochlea, auditory nerve, and the three tiny bones (hammer, anvil, and stirrup) of the middle ear. The questions assess students' knowledge of how sound waves travel through the ear, the process of converting mechanical vibrations into electrical nerve impulses, and the role of the brain in interpreting these signals as sound. Students must also comprehend the functional relationships between structures, such as how the eardrum's vibration transmits sound energy and how damage to specific parts like hair cells in the cochlea can result in hearing loss. Created by Barbara Janicki, a Biology teacher in the US who teaches grade 9. This quiz serves as an excellent formative assessment tool to evaluate students' understanding of ear anatomy and the hearing process after completing a unit on sensory systems. Teachers can use this as a quick warmup activity to activate prior knowledge before diving deeper into sensory physiology, or as a review exercise before a unit exam on human body systems. The quiz works well for homework assignments, allowing students to self-assess their comprehension of ear structure and function, or as an in-class practice activity where students can discuss their reasoning for each answer. This assessment aligns with NGSS standards HS-LS1-3, which requires students to plan and conduct investigations to provide evidence that feedback mechanisms maintain homeostasis, including sensory system responses to environmental stimuli.

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10 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

What part of the ear sends signals to the brain?

optic nerve
ear canal
auditory nerve
middle ear

Tags

NGSS.MS-LS1-8

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

Which part of the ear contains tiny bones called the hammer, anvil, and stirrup?

middle ear
outer ear
inner ear
eardrum

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

Which part of the ear is shaped like a snail shell?

eardrum
auditory nerve
cochlea
anvil

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What happens to the eardrum when sound hits, causing transmission of sound to the inner ear?

it opens
it grows hair
it refracts the sound
it vibrates

Tags

NGSS.MS-PS4-2

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Which part of the ear acts as a funnel?

middle ear
outer ear
inner ear
cochlea

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In which part of the ear is sound changed into electrical signals which are then sent to the brain?

outer ear
middle ear
inner ear
hammer

Tags

NGSS.MS-LS1-8

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

In what part of the ear can damage occur to hair cells and nerve endings causing deafness?

cochlea
outer ear
stirrup
ear canal

Tags

NGSS.MS-LS1-8

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