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==Key Stage 3==
===Meaning===
[[File:AtomDiagram.png|right|300px|thumb|This diagram shows the [[electron]]s [[orbit]]ing an [[atom]].]]
An [[electron]] is a small [[particle]] found [[Orbit|orbiting]] the centre of an [[atom]].
: In [[Electrical Conductor|conductors]] [[electron]]s can pass easily from one [[atom]] to the next.
: When [[electron]]s move it is called an [[Electrical Current|electrical current]].
To see how [[electron]]s are arranged around the nucleus of atoms or to see how [[electron]]s move around a [[circuit]] click on the pictures below to play a PHET simulation.
{| class="wikitable"
|[[File:PhetAtom.png|centre|300px|link=https://phet.colorado.edu/sims/html/build-an-atom/latest/build-an-atom_en.html]]
|[[File:PhetCircuit.png|centre|300px|link=https://phet.colorado.edu/sims/html/circuit-construction-kit-dc/latest/circuit-construction-kit-dc_en.html]]
|}