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science ch.7 gr:9

a eletron is:

negative

a proton is

positive

when the # of protons are equal to the # of eletrons the atom is

neutral

if eletrons are removed from a neutral object the object will become ______ charged

positive

if eletrons are added from a neutral object the object will become ______ charged

negatively charged

static eletricity is

the temporary transfer of eletrons

eletric discharge is

the removal of eletric charge from an object

the coulmb is

the unit of eletric charge

laws of eletric charges

like charges repel,unlike charges attract,neutral objects are attracted to charged objects

eletrons does

all the movement

you cant or can gain or lose protons

cant

static charge is

when nothing moves and get stuck together

inserlator

postives or negatives cant leave

conductor

postives or negatives can leave

ven de graff generator

uses friction to produce a large static charge

eletroscope is to

detect a static charge

the eletrons are ______ to the rod and moved up to the metal ball

attracted

charging by induction the é is

temporary relocated

charging by induction: the object is brought close or far

close to, but not touching

charging by conduction the object _____ with the eletroscope

makes contact

when will the leaves of the eletroscope seperate when charged by induction

when a negative object is near the knob (top) of the eletroscope

what is not a example of technologies and static eletricity

machanical watch

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