Whats the difference between a Re-Sponse and a Re-Action?

Question

Teenagers Re-Act, they dont Re-Spond!!!!

Answer 1

A reaction is an involuntary action to counter annother action. A response is a voluntary and premeditated counter action.

Answer 2

It's mostly connotation:

A reaction is usually considered to be immediate, not well thought out.

Where as a response is usually thought of as more calculating, and perhaps more rational.

Answer 3

Usually the same idea, but slightly different connotations.

A reaction is usually involuntary, caused by an action made upon you.

A response is usually more voluntary, and it is your action in return to the intial action.