Find the dangler

Sometimes, when teaching Physics in the traditional fashion, students might “accept” the scientifically correct theory, only within a certain framework–and often will “memorize” that theory only to pass the tests.

ANSWER

(I believe English is a second language for this writer.)

F.G.’s opening ‘grabber’

Fairy tales mostly happen in “once upon a time” land, which wouldn’t be on a map.

I love this!

Here’s a copy edit for tone:

Fairy tales happen in “once upon a time” land, which does not appear on a map.

or:

Fairy tales happen in “once upon a time” land, which does not appear on any map.

Not sure whether I prefer “a” or “any.”