The student pilot reported that, before the accident flight, he and his flight instructor had conducted three uneventful landings on the snow-covered runway before the instructor exited the airplane to allow him to make his first solo flight. During the first solo landing, the airplane slid "a bit," and the airplane came to a stop about 90° from the desired runway heading. The student taxied the airplane back to the ramp where he and the instructor discussed the landing, and both agreed that the student could continue with his second solo flight. During the second solo landing, the airplane slid left upon touchdown, and the student applied right rudder but was unable to regain directional control. Subsequently, the airplane slid into a snowbank beside the runway. The outboard 3 ft of the left wing sustained substantial damage. The student reported that there were no preaccident mechanical malfunctions or failures with the airplane that would have precluded normal operation. Postaccident examination of the airplane revealed no evidence of a mechanical malfunction with the flight controls, nosewheel steering, or wheel brakes. Most of the runway was covered with between about 1 and 2 inches of snow/slush at the time of the accident. It is likely that the student landed the airplane on a snow/slush-covered portion of the runway, which resulted in the loss of directional control.