10.2 Flashcards
1
Q
Electroscope
A
An instrument that detects static charges
Metal leaf
Pith ball
2
Q
Electrostatics
A
The study of static electric charges
3
Q
Charging by contact
A
When electrons transfers from a charged object to a neutral object through contact
4
Q
Induction
A
The movement of electrons within a substance caused by a charged object that is placed very close but not touching the neutral object
5
Q
Grounding
A
A process of connecting a charged object to earth,s surface to allow excess electrons to flow harmlessly into the round
6
Q
Electrical discharge
A
The process where electrical charges are transferred very quickly
7
Q
Lightning rod
A
A metal pole with a wire attached to that runs down into the ground , it allows buildings to be grounded
