What is the difference between intrinsic and extrinsic rewards?

first look at the meanings of intrinsic - if a human is intrinsically good then they are good because they want to be, not for the reward so an intrinsicaly good reward is the feeling that you have done something good.

so extrincsical is the opposite they do a good deed to reep the rewards so an extrinsic reward is something like money or a prize it is an actual reward weofuasdifl;ajfklashfiu;weghfui;weghui;wegfkfjsdknsdkl'fjs'dlkjfa