These words are also called: "interrogative words" or "question words", because we use them to make questions.

Floop Song! This is a song from the movie "Spy Kids 2".

Who?
What?
When?
Where?

Who? What? When? Where? and Why?

I delight in
What do I intend to find this time?
Run around!
Jumping down!
Bounce and bound and
Find another way to duck and hide
This isle of dreams.

Hello?... yes... one moment, please.... CUT!!!

Who is it, again?

Ah, Juni Cortez! What can I do (for you?)

Wh- words

These words are also called: "interrogative words" or "question words", because we use them to make questions:

WHO? - for people Who are you? - I'm Tom
WHAT? - for things What is that? - That's a dog
WHICH? - for things (in an election) Which ball do you want? - I want the red one
WHERE? - for places Where do you live? - I live in London
WHEN? - for times When do you go to school? - I go to school on Mondays
WHY? - for reasons Why do you like this? - Because it's very nice
HOW? - for methods, ways How do you like your beer? - I like it cold