Here you will find a discussion of the pros and cons of intrinsically and extrinsically motivating your students. You will also find a discussion of the effect these have on learning styles and a good model of what intrinsically motivating a student looks like.
This is an extensive and extremely valuable list of ways to motivate students. If you have an unmotivated student, read through the list when you make lesson plans and before the student enters your classroom. Staying mindful of these strategies can make a real difference in your classroom.
Intrinsically motivated students are the type of students that love and value their work. How do we turn unmotivated students into intrinsically motivated students? According to this article, by focusing on and praising their work.