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Ears

2,213 bytes added, 14:29, 19 February 2019

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===Meaning===

[[File:EarPicture.png|right|~~300px~~200px|thumb|A human '''ear''' lobe]]

An '''ear''' is the part of the body we use to [[hearing|hear]] [[sound]].

==Key Stage 2==

===Meaning===

An '''ear''' is the part of the body we use to [[hearing|hear]] [[sound]].

An : Singular [[Noun]]: '''Ear''': Plural [[Noun]]: '''Ears''' ===About Ears===: The '''ear''' lobe is the shaped part of ~~the body~~ an '''ear''' that we ~~use~~ can see.: You do not need an '''ear''' lobe to hear. Most of the important parts of the '''ear''' are deep inside the hole.: If your '''ear''' does not work and you cannot hear, then you are deaf.: Ears should not be cleaned with cotton bud as it can cause an 'ear infection'.===Examples==={| class="wikitable"|-|[[~~hearing~~File:LizardEar.png|center|200px]]|[[File:MonkeyEar.png|center|200px]]|-|The '''ear''' of a reptile.|~~hear~~A monkey's '''ear'''.|-|[[File:DogEar.png|center|200px]] |[[~~sound~~File:ElephantEar.png|center|200px]]|-|The '''ear''' on a dog.|An elephant's '''ear'''.|}

==Key Stage 3==

*[[Ear Canal]] - The tube leading to the [[Ear Drum|ear drum]].

*[[Ear Drum]] - This [[vibrate]]s like a drum skin when sound hits it.

*[[Ossicles]] - Three tiny [[bone]]s that pass the [[Vibrate|vibration]] to the [[cochlea]].

*[[Cochlea]] - A spiral tube with a [[liquid]] inside it and tiny hairs attached to [[nerve]] cells.

*[[Eustachian Tube]] - A tube used to keep the [[pressure]] the same both sides of the [[Ear Drum|ear drum]] to stop it bursting.

*[[Auditory Nerve]] - The [[nerve]] connecting the '''ear''' to the [[brain]].

{| class="wikitable"

|-

|[[File:EarDiagram.png|center|400px]]

|-

| style="height:20px; width:400px; text-align:center;" |A [[diagram]] of the ear.

|}

==Key Stage 4==

===Meaning===

The '''ear''' is a [[Sense Organ|sensory organ]] that can detect [[sound]].

===About Ears===

: [[Ears]] can only detect a certain range of [[frequency|frequencies]] of [[sound]] which depends on the size of the [[Ear Drum|ear drum]].

: [[Human]] [[ear]]s can only detect [[frequency|frequencies]] of [[sound]] above 20Hz and below 20,000Hz. [[Sound]] below 20Hz is referred to as [[infrasound]]. [[Sound]] above 20,000Hz is referred to as [[ultrasound]].

: Different [[animal]]s can hear different [[frequency|frequencies]] of [[sound]]s. Some [[animal]]s can hear [[infrasound]] and some can hear [[ultrasound]].

There are several parts of the ear you should know:

*[[Pinna]] - The shaped [[cartilage]] acts to direct [[sound]] into the [[Ear Canal|ear canal]].

*[[Ear Canal]] - The tube leading to the [[Ear Drum|ear drum]].

*[[Ear Drum]] - This [[vibrate]]s like a drum skin when [[sound]] hits it.

*[[Ossicles]] - Three tiny [[bone]]s that pass the [[Vibrate|vibration]] to the [[cochlea]].

*[[Cochlea]] - A spiral tube with a [[liquid]] inside it and tiny hairs attached to [[nerve]] cells.

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