Circular Motion Concept Map: [Prezi] [pdf]
Circular motion is 'merely' a special case of Newton's Laws but circumstances where objects are constrained to move in circles are so pervasive and challenging for students that it deserves it's own moment in the sun.
Problem Solving Frame applied to Circular Motion[Prezi] [pdf]
Recognizing the need to make wise choices about coordinate systems is the primary stumbling block for students. Be careful and observant.