What is the difference between its and it's?
Its (without an apostrophe) indicates possession. Contrary to common possession rules in English, the apostrophe is dropped in its. 

It's is a contraction, a shortened form of it is or it has.
Instruction: What is the difference between its and it's?
Context: 
Response: Its (without an apostrophe) indicates possession. Contrary to common possession rules in English, the apostrophe is dropped in its. 

It's is a contraction, a shortened form of it is or it has.