Watch the stroke order, then trace it yourself.
哇has 2 distinct pronunciations with different meanings

crying sound (baby)
The mouth (口) makes a sound like earth (土) and earth (土) — an exclamation or crying sound.
wow; gee (interjection of surprise)
wow (exclamation of surprise)
Wow, the scenery here is so beautiful!
Wow, this performance is amazing!
Wow, this cake is really beautiful!
Great! Let's go to the park together tomorrow!
The baby is crying loudly in the room.
Explore characters by relationship
Characters from the same exam level.
Characters pronounced "wa".
Characters with radical "口".