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==Key Stage 1=====Meaning=== [[File:Seasons.png|right|300px|thumb|The four seasons in a year.]] A '''year''' is the time it takes for all four seasons: [[spring]], [[summer]], [[autumn]] and [[winter]] to happen. This is 365 [[Day|days]]. : Singular [[Noun]]: '''Year''': Plural [[Noun]]: '''Years''' ===About Year===: The new year starts on January the 1st.: A year does not take exactly 365 days so every four years there is an extra day added. This is called a leap year.  ==Key Stage 2=====Meaning===A [[year]] is the time it takes for the [[Earth]] to go once around [[The Sun]]. ===About a Year===: A [[year]] on [[Earth]] takes around 365 [[day]]s. ==Key Stage 3=====Meaning===A [[year]] is the time it takes for a [[planet]] to [[orbit]] once around a [[star]]. {| class="wikitable"|-|[[File:Orbit1.gif|center|400px]]|-| style="height:20px; width:400px; text-align:center;" |A [[planet]] travels around [[The Sun]] in an [[orbit]]. Once around [[The Sun]] is one [[year]].|} ===About Years===: A [[year]] on [[Earth]] takes 365.25 [[day]]s.: To make out calendars fit the 0.25 extra [[day]]s each [[year]] we have a [[Leap Year|leap year]] every 4 [[year]]s where a [[day]] is added to the end of February.: The [[season]]s change over the [[year]] due to the tilt of the [[Earth]].