ser and estar

Ok so here's the 2 main verbs in the spanish language. . "Ser" and "Estar". Both of these verbs mean "to be". I know what you're thinking...what's the difference? . Well "ser" means to be permanently. Lets say you were describing yourself and said, Soy alta. "ser" is used in this sentance because you are describing yourself and how you are permanently. Here are exampled of when you use ser...
1. self description (looks, personality, physical features) ex. Ella es feo
2. your name on SOME occasions ex. Soy Marisol
3. origin (where you're from) ex. Soy de Egypt
4. Profession (job) ex. Soy una profesora
5. Possesion ex. El calculadora es de Elena
6. Day and date ex. ?Es el tres de marzo?
7. Time of day ex. Son las diez menos cuarto

"estar" is the other verb meaning to be. This verb is a little different than "ser" here are the rules for "estar"
1. Position ex. El libro está debajo de la mesa.
2. Location ex. Ella está en Nueva York
3. Emotions ex. Estoy triste
4. Condition ex. Ella está enferma
5. -ando ex. Estoy estudiando



Conjugation

Ser-
yo Soy (I am)
tú eres (You are)
él/ella/usted es (he/she/ you formal is)
Nosotros(as) somos (we are)
Vosotros(as) soís (you all are) this is only used in some countries such as Spain
Ellos/Ellas/Ustedes son (they masculine, they feminine, you formal plural are)

Estar-
Yo estoy ( I am)
Tú estás (You are)
él/ella/usted está (he/she/ you formal is)
Nosotros(as) estamos (we are)
Vosotros (as) estáis (you all are)
Ellos/Ellas/ustedes están (they masculine, they feminine, you formal plural are)