The difference between a theory and a Scientific Theory is that:.

The difference between a theory and a Scientific Theory is that "a theory" is actually a hunch which is not yet tested and lacks evidence while a "scientific theory" is known to be an explanatory fact which is established after repeated observations and experiments.

Explanation:

The word "theory" is actually used most times in every world. But in science, "scientific theory" is used. Theory is known to be untested and may lack evidence. But scientific theory presents well-substantiated facts which have undergone repeated observations and experimentations.

Scientific theory uses observation, measurement and evaluation of results.

answer; ///he could not explain why the continents drifted;

answer; the automatic system because it is a "gut reactor"