In procedural text, the people do not know how to do the task. You have to make sure that they understand it. Another thing you need to consider is the age range. Is this going to be written to kids or adults? Kids will need simpler steps, whereas adults do not. Good luck, I hope this helps!
Fear is when your afraid or scared of something. Psychology are key words to your answer
Intrinsic motivation is a motivation "from inside", with internal, rather than external awards.
Three of the things you mentioned have an external reward: the 500 Dollar prize( first option), the credit (third) and the hope of winning a blue ribbon (the last).
Only the second one has an intrinsic motivation: that you will be happy about performing this song (feeling proud of yourself, etc).
Larger-than-life conquests