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Sci Ch.7 '14

Mr. Austin's orders

acetate A type of plastic used in photographic film and overhead transparencies.
action-at-a-distance forces Forces that can have an effect on an object without touching it.
charging by conduction Process of transferring charge between objects by touching or rubbing.
charging by induction Process of rearranging electrons on a neutral object by bringing a charged object close to it.
conductors Materials that allow electrons to move freely on and through them.
contact forces Forces that have an effect only on objects that they touch.
coulomb The unit of electric charge, named after the French physicist Charles Coulomb; one coulomb is the amount of charge passing a point in one second when one ampere of current is flowing.
electric force A push or pull between charged objects.
electrons Negatively charged particles surrounding the positive nucleus.
force A push or pull exerted on an object.
grounding Connecting a conductor so that electric charge flows into Earth's surface.
insulators Materials, such as glass, plastics, ceramics, and dry wood, that do not allow electrons to move easily on or through them.
laws of static charge Physical laws that state that like charges repel, opposite charges attract , and neutral objects attract charged objects.
static charge An electric charge that can be collected and held very nearly fixed in one place.
Created by: mddai