QUICK ANSWER
"Cuál es tu estación favorita" is a form of "cuál es tu estación favorita", a phrase which is often translated as "which is your favorite season". "Por que" is a form of "por que", a phrase which is often translated as "why". Learn more about the difference between "cuál es tu estación favorita" and "por que" below.
cuál es tu estación favorita(
kwahl
ehs
too
ehs
-
tah
-
syohn
fah
-
boh
-
ree
-
tah
)A phrase is a group of words commonly used together (e.g., once upon a time).
a. which is your favorite season
¿Cuál es tu estación favorita para ir de vacaciones?Which is your favorite season to go on vacation?
a. which your favorite season is
No sé cuál es tu estación favorita, pero la mía es el otoño.I don't know which your favorite season is, but mine is fall.
por que(
pohr
keh
)A phrase is a group of words commonly used together (e.g., once upon a time).
1. (for which)
a. why
Estoy embarazada. Ese es el motivo por que te llamo.I'm pregnant. That's why I'm calling you.
b. for
Los premios por que competían no resultaban muy atractivos.The prizes they were competing for weren't very attractive.
c. that
La razón por que estoy aquí es por que quería pedirte perdón.The reason that I am here is that I wanted to say sorry.
a. no direct translation
This refers to an idiomatic word or phrase for which there is no word-for-word translation.
Al final los padres optaron por que su hija no participara en el concurso.In the end, the parents chose not to have their daughter take part in the contest.
Están ansiosos por que empecemos a trabajar en el proyecto.They're eager for us to begin work on the project.