A | B |
electric field | The region around a charged object where the object’s electric force interacts with other charged objects. |
electric force | is the attraction or repulsion between electric charges. |
static electricity | a build up of charges that do not flow continuously. |
conservation of charge | The law that states that charges are neither created nor destroyed but only transferred from one material to another. |
friction | A method of charging an object by rubbing it against another object; the force that one object exerts on another when the two rub against each other. |
conduction | A method of charging an object by allowing electrons to flow by direct contact from one object to another object. |
induction | A method of charging an object by means of the electric field of another object; the objects have no direct contact. |
static discharge | The loss of static electricity as electric charges transfer from one object to another. |
proton charge | positive |
electron charge | negative |
repel | like charges |
attract | unlike charges |
St. Elmo's Fire | bluish glow sometimes seen during storms on the tops of tall pointed objects |
neutral object | balanced charges |
versorium | divice used by Sir William Gilbert in 1600 to show static charges |
Ben Franklin | experimented with lightning |
pith ball | small styrofoam ball coated with metalic paint |