Electricity quiz Flashcards
what is the meaning of atomic structure?
the structure of an atom
what are atoms made of?
protons, nutrons and electrons
where in the atom are protons and neutrons?
The nucleus
What is the nucleus?
the middle of the atom were protons and neutrons are
true or false? electrons outside of the nucleus are very hard to add or get rid of
FALSE! it is very easy to add or remove
what attracts (magnets)?
opposites or positive and negatives
true or false? like charges attract
FALSE!!!! Like charges repel opposites attract
what is a static charge?
A static charge is an electric charge that is stationary (not moving).
when does friction occur?
Friction: occurs when two objects are rubbed together the objects will have opposite charges at the end
when does conduction occur?
Conduction (contact): occurs when objects touch and an electric charge is transferred from one object to the other
what results in induction?
dbl check on slides ***Induction: results from one charged object going near one that is not charged. One side will have either an excess of positive or negative charges
What type of materials HOLD electrons?
insulators
What type of materials easily RELEASE electrons?
Conductors
What is the Electrostatic Series?
a list of materials that shows which ones easily hold electrons and which ones easily release electrons
in the Electrostatic Series does positive mean the materials hold electrons easily or release them?
Positive means the tendency to lose them
