AQA addition science (Static Electricity)

Frage	Antworten
what happens when plastic is charged by rubbing it with a cloth?	it attracts objects, from dust to paper
why is a PC monitor usually covered in dust?	because the dust is attracted by static charges on the monitor
why does a piece of copper not get charged when it is rubbed with a cloth?	because copper is a conductor
When a piece of plastic becomes positively charged it has? a) gained protons b) lost electrons c) gained electrons	b) lost electrons static electricity is to do with the movement of electrons, which are negatively charged
when a piece of plastic becomes negatively charged it has? a) gained electrons b) lost electrons c) lost protons	a) gained electrons negatively charged plastic has gained electrons
what happens when two polythene rods with the same charge are brought near each other?	they repel
when you walk across a nylon carpet, you become negatively charged. when you touch a metal handle, why do you receive a shock?	because electrons jump from you to the handle
atoms that have become charged are. a) electrons b) ions c) protons	b) ions Atoms or molecules that become charged are ions.

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	Erstellt von daisy williams vor mehr als 7 Jahre