Day after day, Raymond's history teacher lectures about the subject matter in a dry, unengaging manner and expects students simply to sit quietly and take notes. To make class a little more exciting for himself and the students sitting nearby, Raymond often draws cartoon faces on the tips of his fingers and performs little finger-puppet shows at his desk. Raymond's behavior in class can probably best be explained as:

Raymond's behavior in class can probably best be explained as:satisfying his need for arousal.

A motivation theory that makes an individual in performing some actions for the purpose of maintaining the physiological arousal at an optimum level refers to the  arousal theory of motivation. There exist different types of m motivational theories that highly focuses on the arousal levels.  

In the scenario given, the history teacher of Raymond handles classes that are dry and the students were to sit quietly and take notes. Raymond is engaged in doing things such as drawing cartoons on his finger tips and performing puppet shows. He is doing these things for making others excited and hence this behavior of Raymond is an example of satisfying his need for arousal.