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==Key Stage 2==
===Meaning===
'''Voltage''' is how much push [[electricity ]] has.
===About Voltage===
| style="height:20px; width:300px; text-align:center;" |A bulb will be brighter if the voltage is higher.
|}
==Key Stage 3==
===Meaning===
[[Potential Difference]] is how much [[energy]] is [[Energy Transfer|transferred]] by a [[Electrical Current|current]].
===About Potential Difference===
: '''Potential Difference''' is [[measure]]d using a [[Voltmeter]].
: The [[SI Unit|units]] of '''potential difference''' are [[Volt]]s ([[V]]).
: '''Potential Difference''' is sometimes described as the 'push' that moves a [[Electrical Current|current]] around a [[circuit]].