The following PowerPoint teaches students about intervals. The lesson covers the following ideas and skills: -a review of whole steps and half steps -a review of major key signatures -what an interval is -how to count an interval -defining interval quality -how to identify major, minor, diminished, and augmented intervals -how to construct major, minor, diminished, and augmented intervals This is a great resource for any music class, whether you are teaching music theory to your ensemble clas