Conduct charge. Metals conduct electricity because electrons can flow easily.
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Insulators
Do not conduct charge. eg. rubber - electrons can not flow through them easily.
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Friction causes ?
Electrons to transfer from one object to another.
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Like charges.....?
Repel
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Opposite charges......?
Attract
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An uncharged atom has.....?
Equal number of protons and electrons
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If an atom gains extra electrons it becomes.....?
Negatively charged
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If an atom loses electrons it becomes......?
Positively charged
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An atom that becomes charged by losing or gaining elctrons is called?
An ion
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Dangers of static electricity
Fefuelling - Friction causes aircraft to become charged when flyin gthrough the air, metal wire is used to earth the plane before refuelling, charge flow down wire to earth. This reduces the risk of a spark
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Dangers of static electricity
Hospitals - Hospitals have antistatic floors that conduct charge and prevent it building up.
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Dangers of static electricity
Lightning - Friction causes charge to separate in clouds, lightning is the charge findin ga path down to earth.
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Other cards in this set
Card 2
Front
Insulators
Back
Do not conduct charge. eg. rubber - electrons can not flow through them easily.
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