what are your physical characteristics
Which (plural).
What are your favorite videogames?
"what are typical Hispanic foods?"
It means, "Which are some of your favorite things."
cuales is the plural of "which", so the translation would be "which ones".
Which books do you read?
What (or which) are four songs
it means "which (plural) do you like best?"
what sports do you like to watch
"What are the Winter months?"
' Cuales materias estudias' = 'What subjects are you studying' as a question, or '....which subjects you are studying' as a subordinate clause.
"What are some phrases that are said in Spanish class?"