Ser and estar both mean “to be”. Ser is used to talk about WHAT something is. This includes date, occupation, characteristics, time, origin, and relationship. Estar is used to talk about HOW something is. This includes position, location, action, condition, and emotion.
Examples of ser:
-Yo soy alta.
-Ella es inteligente.
Examples of estar:
-El está triste.
-Estoy mirando la tele.
I know some but not all
14 across is cinco de mayo
1 down is salsa
7 down is ceviche
8 across is september
4 down is french
5 across juarez
15 across is zaragoza
11 across is puebla