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15 cards from this deck
Build-up of electric charge on surface of objects
Friction when materials rubbed together
Negatively charged electrons
Materials are insulators; electrons can't move
Negative electrons (always)
Like charges repel, opposite charges attract
Charge jumps through air to balance charges
In contact with earth, provides path for electrons
To the earth
Positive on one (lost e−e^-e−), negative on other (gained e−e^-e−)
Paint spreads evenly & sticks to surface
Attracts toner to paper in correct pattern
Sparks can ignite flammable gases or liquids
Warm air less dense than cold air
Ice crystals rub together as warm air rises
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