Static Electricity (AQA GCSE Physics): Flashcards
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15 cards from this deck
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Practise the cards
15 cards from this deck
Static electricity
Static electricity
Build-up of electric charge on surfaces
Producing static electricity
Producing static electricity
Rubbing two surfaces together
Particles moving in static electricity
Particles moving in static electricity
Electrons
Charge when losing electrons
Charge when losing electrons
Positively charged
Charge when gaining electrons
Charge when gaining electrons
Negatively charged
Spark in static electricity
Spark in static electricity
Charge jumping through air to balance charges
'Earthed' object
'Earthed' object
Object in contact with earth, providing pathway for electrons
Where electrons try to travel
Where electrons try to travel
To the earth
Static use: spray painting
Static use: spray painting
Paint spreads evenly & sticks to surface
Static use: photocopiers
Static use: photocopiers
Attracts toner to paper in correct pattern
Static danger: flammable materials
Static danger: flammable materials
Sparks can ignite gases/liquids, cause fires/explosions
Static danger: electronics
Static danger: electronics
Can damage sensitive components via discharge
Why warm air rises (lightning)
Why warm air rises (lightning)
Less dense than cold air
How lightning charge forms
How lightning charge forms
Ice crystals rub together moving upwards
Lightning
Lightning
Electrons jumping to ground from large charge