INADEQUATE PREFLIGHT AND IMPROPER INFLIGHT PLANNING/DECISION BY THE STUDENT, WHICH RESULTED IN FUEL EXHAUSTION FROM AN INADEQUATE SUPPLY OF FUEL, AND THE STUDENT'S FAILURE TO MAINTAIN AIRSPEED, WHILE MANEUVERING, WHICH RESULTED IN AN INADVERTENT STALL/SPIN. A CONTRIBUTING FACTOR WAS THE STUDENT'S LACK OF TOTAL EXPERIENCE.