Which is grammatically correct : "What makes the Earth rotates" or "What make the Earth rotates" ?

The correct form is
"What makes the Earth rotate"

The "rotate" in this context is an infinitive, not the 3rd-person singular; that's why it is NOT "rotates".

Neither. The correct would be: "what makes the earth rotate?"

Neither. It should be "What makes the earth rotate?"

Neither sentence is correct.  The correct sentence would read as, "What makes the Earth rotate".  What is the subject of makes. Thing, force, is implied with "what".

neither. rotate is an infinitive in that sentence.  what makes the world (to) rotate?

what makes the earth the earth rotate easy answer