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Science chapter 6

lesson 1

TermDefinition
How do charges interact? charges that are the same repel and charges that are different attract
proton positive + / represented by the color red
electron negative - / represented by the color blue
Electric Force the force between charged objects
Electric Field a region around a charged object where the objects electric force is exerted on other charged objects
Field Line shows the force that would be exerted on a positive charge at any point along that line
The more field lines= the more force
Single charges have straight filed lines
Static Electricity the buildup of charges on an object
Law of Conservation of Charge charges are neither created nor destroyed
How does charge build up? by friction, conduction, induction, or polarization
Friction is the transfer of electrons from one uncharged object to another by rubbing the objects together
Conduction is the transfer of electrons from one object to another by direct contact
Induction when a metal object is close to a negatively charged object electrons are repelled and move away and protons move toward the charge the close part of the metal becomes positively charged ant the far end becomes negatively charged / no direct contact
Polarization the electrons react to electric fields resulting in individual atoms having charged ends that are attracted to charged objects
Static Discharge the loss of static electricity as electric charges transfer from one object to another
Created by: Ella!!