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Electricity

Static electricity - created when two insulating materials are rubbed against each other. - Can be discharged by connecting it to earth with a conductor.- can be used in smoke precipitators and photocopiers.

Material - electrons = positively charged

Material + electrons = negatively charged

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(http://www.bbc.co.uk/schools/gcsebitesize/science/images/105_reducing_pollution_v2.gif)

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Comments

WhatsHisFace

Really helpful!

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