Interrogative words:
https://personal.colby.edu/~bknelson/SLC/interrogatives1.php
https://personal.colby.edu/~bknelson/SLC/interrogatives2.php
https://personal.colby.edu/~bknelson/SLC/interrogatives3.php
https://personal.colby.edu/~bknelson/SLC/interrogatives4.php
https://personal.colby.edu/~bknelson/SLC/interrogatives5.php
Question Word Song
(To the tune of "Jingle Bells")
cómo - how
cuándo - when
cuánto is how much
dónde -where
por qué is why
porque is because
qué is what
cuál is which
quién is who or whom
a qué hora - at what time
adónde is where to