Take out a sheet of paper for notes. # 70 Turn to p. 584

Electricity Notes atomic Electricity begins at the ________ level where protons and electrons have electric charge. _______ carry a positive charge. Electrons carry a _________ charge. ____ form when atoms lose or gain electrons and become positively or negatively charged. Electrons can move from object to object; _____ __________ is the buildup of electric charge on an object. A flow of charge can be caused by ions moving in a __________. Protons negative Ions static electricity solution

electric force B. All objects exert an _______ _______ on each other; it can be attractive or repulsive. 1. Like charges repel, unlike charges _______. 2. Electric charges exert a force on each other at a distance through an _______ ______ which exists around every electric charge. attract electric field

Insulator C. __________ - material which does not allow electrons to move easily *Examples: _______, ______, ______, and ________ D. __________ - material that allows electrons to move easily * ________ are the best conductors plastic wood glass rubber Conductor Metals

Electric discharge E. _______ __________ - rapid movement of excess charge from one place to another * ________ is an example F. _________ provides a pathway to drain excess charge into the Earth * ________ _____ provide grounding for many buildings Lightning Grounding Lightning rods

Static Electricity Draw and Label - - - +++ - - -

Static Electricity Draw and Label